def run(pdb_file, cif_file):
from mmtbx.monomer_library import server
import iotbx
from mmtbx.monomer_library import pdb_interpretation
pdb_inp = iotbx.pdb.input(file_name=pdb_file)
pdb_hierarchy = pdb_inp.construct_hierarchy()
raw_lines = pdb_hierarchy.as_pdb_string(
crystal_symmetry=pdb_inp.crystal_symmetry())
f=file(cif_file, "rb")
ligand_cif = f.read()
f.close()
cif_object = iotbx.cif.model.cif()
iotbx.cif.reader(input_string=ligand_cif,
cif_object=cif_object,
strict=False)
mon_lib_srv = server.server()
ener_lib = server.ener_lib()
for srv in [mon_lib_srv, ener_lib]:
srv.process_cif_object(cif_object=cif_object,
file_name="LIGAND")
processed_pdb = pdb_interpretation.process(
mon_lib_srv,
ener_lib,
raw_records=raw_lines)
geometry_restraints_manager = processed_pdb.geometry_restraints_manager()
def run(args, command_name=libtbx.env.dispatcher_name):
parser = argparse.ArgumentParser(
prog=command_name,
usage='%s pdb_file "atom_selection" [...]' % command_name)
parser.add_argument("file_name",
nargs=1,
help="File name of the model file")
parser.add_argument(
"inselections",
help="Atom selection strings",
nargs='+',
)
parser.add_argument("--write-pdb-file",
action="store",
help="write selected atoms to new PDB file",
default=None)
parser.add_argument(
"--cryst1-replacement-buffer-layer",
action="store",
type=float,
help="replace CRYST1 with pseudo unit cell covering the selected"
" atoms plus a surrounding buffer layer",
default=None)
co = parser.parse_args(args)
mon_lib_srv = server.server()
ener_lib = server.ener_lib()
processed_pdb_file = pdb_interpretation.process(mon_lib_srv=mon_lib_srv,
ener_lib=ener_lib,
file_name=co.file_name[0],
log=sys.stdout)
print
acp = processed_pdb_file.all_chain_proxies
selection_cache = acp.pdb_hierarchy.atom_selection_cache()
atoms = acp.pdb_atoms
all_bsel = flex.bool(atoms.size(), False)
for selection_string in co.inselections:
print selection_string
isel = acp.iselection(string=selection_string, cache=selection_cache)
all_bsel.set_selected(isel, True)
if (not co.write_pdb_file):
print " %d atom%s selected" % plural_s(isel.size())
for atom in atoms.select(isel):
print " %s" % atom.format_atom_record()
print
if (co.write_pdb_file):
print "Writing file:", show_string(co.write_pdb_file)
sel_hierarchy = acp.pdb_hierarchy.select(all_bsel)
if (co.cryst1_replacement_buffer_layer is None):
crystal_symmetry = acp.special_position_settings
else:
import cctbx.crystal
crystal_symmetry = cctbx.crystal.non_crystallographic_symmetry(
sites_cart=sel_hierarchy.atoms().extract_xyz(),
buffer_layer=co.cryst1_replacement_buffer_layer)
write_whole_pdb_file(file_name=co.write_pdb_file,
processed_pdb_file=processed_pdb_file,
pdb_hierarchy=sel_hierarchy,
crystal_symmetry=crystal_symmetry)
print
def test_solvent_model():
# correct values
p = pdb.input(source_info='string',lines=test_pdb)
sr = p.xray_structure_simple().scattering_type_registry()
# test values
p1 = pdb.input(source_info='string',lines=test_pdb)
mls = server.server()
el = server.ener_lib()
ip = pdb_interpretation.process(mon_lib_srv=mls,ener_lib=el,pdb_inp=p1)
sg = structure_generator()
sg.add_species(p,1)
sm = solvent_model()
sm.interpreted_pdb = ip
sm.xyz = sg.species[0].xyz
new_sr = sm.add_bulk_solvent(sr)
assert(new_sr.sum_of_scattering_factors_at_diffraction_angle_0() <
sr.sum_of_scattering_factors_at_diffraction_angle_0())
sm.bulk_solvent_scale = 0.0
new_sr = sm.add_bulk_solvent(sr)
assert(approx_equal(sr.sum_of_scattering_factors_at_diffraction_angle_0(),
new_sr.sum_of_scattering_factors_at_diffraction_angle_0()))
sm.boundary_layer_scale = 0.0
new_sr = sm.add_boundary_layer_solvent(new_sr)
assert(approx_equal(sr.sum_of_scattering_factors_at_diffraction_angle_0(),
new_sr.sum_of_scattering_factors_at_diffraction_angle_0()))
sm.boundary_layer_scale = 0.6
new_sr = sm.add_boundary_layer_solvent(new_sr)
assert(new_sr.sum_of_scattering_factors_at_diffraction_angle_0() >
sr.sum_of_scattering_factors_at_diffraction_angle_0())
def exercise_1():
processed_pdb_file = pdb_interpretation.process(
mon_lib_srv = server.server(),
ener_lib = server.ener_lib(),
raw_records = flex.std_string(pdb_str_1.splitlines()),
strict_conflict_handling = True,
force_symmetry = True,
log = None)
grm = processed_pdb_file.geometry_restraints_manager()
pdb_hierarchy = processed_pdb_file.all_chain_proxies.pdb_hierarchy
sites_cart = pdb_hierarchy.atoms().extract_xyz()
# c-beta restraints are added by default!!!
assert len(grm.get_c_beta_torsion_proxies()) == 4
#test global selection and removing c-beta restraints
tst_boolsel = pdb_hierarchy.atom_selection_cache().selection("resname TYR")
tst_iselection = tst_boolsel.iselection()
#test global selection
grm2 = grm.select(iselection=tst_iselection)
assert len(grm2.get_c_beta_torsion_proxies()) == 2
grm2 = grm.select(selection=tst_boolsel)
assert len(grm2.get_c_beta_torsion_proxies()) == 2
#remove a selection
grm.remove_c_beta_torsion_restraints_in_place(selection=tst_iselection)
assert len(grm.get_c_beta_torsion_proxies()) == 2
#add a selection
grm.remove_c_beta_torsion_restraints_in_place()
assert len(grm.get_c_beta_torsion_proxies()) == 0
c_beta_torsion_proxies = c_beta.get_c_beta_torsion_proxies(
pdb_hierarchy,
selection=tst_iselection,
sigma=2.5)
assert len(c_beta_torsion_proxies) == 2
def run (args, out=sys.stdout, quiet=False) :
from mmtbx.monomer_library import pdb_interpretation
from mmtbx.monomer_library import server
import iotbx.pdb
cmdline = iotbx.phil.process_command_line_with_files(
args=args,
master_phil=get_master_phil(),
pdb_file_def="model",
usage_string=usage_string)
params = cmdline.work.extract()
if (params.model is None) :
raise Usage(usage_string)
pdb_in = iotbx.pdb.input(source_info=params.model, file_name=params.model)
mon_lib_srv = server.server()
ener_lib = server.ener_lib()
processed_pdb_file = pdb_interpretation.process(
mon_lib_srv=mon_lib_srv,
ener_lib=ener_lib,
pdb_inp=pdb_in,
substitute_non_crystallographic_unit_cell_if_necessary=True)
pdb_hierarchy = processed_pdb_file.all_chain_proxies.pdb_hierarchy
geometry = processed_pdb_file.geometry_restraints_manager()
result = rna_validation(
pdb_hierarchy=pdb_hierarchy,
geometry_restraints_manager=geometry,
params=params,
outliers_only=params.outliers_only)
result.show(out=out)
return result
def exercise_1():
processed_pdb_file = pdb_interpretation.process(
mon_lib_srv = server.server(),
ener_lib = server.ener_lib(),
raw_records = flex.std_string(pdb_str_1.splitlines()),
strict_conflict_handling = True,
force_symmetry = True,
log = None)
grm = processed_pdb_file.geometry_restraints_manager()
pdb_hierarchy = processed_pdb_file.all_chain_proxies.pdb_hierarchy
sites_cart = pdb_hierarchy.atoms().extract_xyz()
# c-beta restraints are added by default!!!
assert len(grm.get_c_beta_torsion_proxies()) == 4
#test global selection and removing c-beta restraints
tst_boolsel = pdb_hierarchy.atom_selection_cache().selection("resname TYR")
tst_iselection = tst_boolsel.iselection()
#test global selection
grm2 = grm.select(iselection=tst_iselection)
assert len(grm2.get_c_beta_torsion_proxies()) == 2
grm2 = grm.select(selection=tst_boolsel)
assert len(grm2.get_c_beta_torsion_proxies()) == 2
#remove a selection
grm.remove_c_beta_torsion_restraints_in_place(selection=tst_iselection)
assert len(grm.get_c_beta_torsion_proxies()) == 2
#add a selection
grm.remove_c_beta_torsion_restraints_in_place()
assert len(grm.get_c_beta_torsion_proxies()) == 0
c_beta_torsion_proxies = c_beta.get_c_beta_torsion_proxies(
pdb_hierarchy,
selection=tst_iselection,
sigma=2.5)
assert len(c_beta_torsion_proxies) == 2
def run(args, out=sys.stdout, quiet=False):
from mmtbx.monomer_library import pdb_interpretation
from mmtbx.monomer_library import server
import iotbx.pdb
cmdline = iotbx.phil.process_command_line_with_files(
args=args,
master_phil=get_master_phil(),
pdb_file_def="model",
usage_string=usage_string)
params = cmdline.work.extract()
if (params.model is None):
raise Usage(usage_string)
pdb_in = iotbx.pdb.input(source_info=params.model, file_name=params.model)
mon_lib_srv = server.server()
ener_lib = server.ener_lib()
processed_pdb_file = pdb_interpretation.process(
mon_lib_srv=mon_lib_srv,
ener_lib=ener_lib,
pdb_inp=pdb_in,
substitute_non_crystallographic_unit_cell_if_necessary=True)
pdb_hierarchy = processed_pdb_file.all_chain_proxies.pdb_hierarchy
geometry = processed_pdb_file.geometry_restraints_manager()
result = rna_validation(
pdb_hierarchy=pdb_hierarchy,
geometry_restraints_manager=geometry,
params=params,
outliers_only=params.outliers_only)
result.show(out=out)
return result
def get_reference_dihedral_proxies(
reference_hierarchy_list,
reference_file_list,
mon_lib_srv=None,
ener_lib=None,
crystal_symmetry=None,
log=None):
from mmtbx.monomer_library import server
if log is None:
log = sys.stdout
if mon_lib_srv is None:
mon_lib_srv = server.server()
if ener_lib is None:
ener_lib = server.ener_lib()
reference_dihedral_proxies = {}
for file_name, pdb_hierarchy in zip(reference_file_list,
reference_hierarchy_list):
dihedral_proxies = get_complete_dihedral_proxies(
pdb_hierarchy=pdb_hierarchy,
mon_lib_srv=mon_lib_srv,
ener_lib=ener_lib,
crystal_symmetry=crystal_symmetry,
log=log)
reference_dihedral_proxies[file_name]=dihedral_proxies
return reference_dihedral_proxies
def get_reference_dihedral_proxies(reference_hierarchy_list,
reference_file_list,
mon_lib_srv=None,
ener_lib=None,
crystal_symmetry=None,
restraint_objects=None,
monomer_parameters=None,
log=None):
from mmtbx.monomer_library import server
if log is None:
log = sys.stdout
if mon_lib_srv is None:
mon_lib_srv = server.server()
if ener_lib is None:
ener_lib = server.ener_lib()
reference_dihedral_proxies = {}
for file_name, pdb_hierarchy in zip(reference_file_list,
reference_hierarchy_list):
dihedral_proxies = get_complete_dihedral_proxies(
pdb_hierarchy=pdb_hierarchy,
mon_lib_srv=mon_lib_srv,
ener_lib=ener_lib,
crystal_symmetry=crystal_symmetry,
restraint_objects=restraint_objects,
monomer_parameters=monomer_parameters,
log=log)
reference_dihedral_proxies[file_name] = dihedral_proxies
return reference_dihedral_proxies
def build_scattering_library(atom_types, q_array, radii, radius_scale,
Explicit_H, S_factor):
scat_lib = intensity.scattering_library(q_array)
ener_lib = server.ener_lib()
for at in atom_types:
element = ener_lib.lib_atom[at].element
if (element is ''):
element = 'C'
print "Warning: unexpected atom found, and C element is used"
val = xray_scattering.it1992(element, True).fetch()
a = val.array_of_a()
b = val.array_of_b()
c = val.c()
sf_result = scattering_factor(a, b, c, q_array)
# getting displaced solvent volumn
if (radii.__contains__(at)):
r = radii[at] * radius_scale
v = math.pi * 4.0 / 3.0 * r**3.0
else:
v = 16.44
dummy_sf = dummy_factor(v, q_array)
if (not Explicit_H):
if (S_factor.__contains__(at)):
scale = S_factor[at]
sf_result *= (scale[0] *
flex.exp(-scale[1] * q_array * q_array))
dummy_sf *= (flex.exp(-1.25 * q_array * q_array))
scat_lib.load_scattering_info(at, sf_result, dummy_sf)
return scat_lib
def calc_abs_Io(atom_types, at_collection, S_factor, Explicit_H=False):
ener_lib = server.ener_lib()
abs_Io = 0.0
for at in at_collection:
element = ener_lib.lib_atom[at].element
if (element is ''):
element = 'C'
print "Warning: unexpected atom found, and C element is used"
val = xray_scattering.it1992(element, True).fetch()
a = val.array_of_a()
c = val.c()
this_sf0 = c
for aa in a:
this_sf0 += aa
if (not Explicit_H):
if (S_factor.__contains__(at)):
scale = S_factor[at]
this_sf0 = this_sf0 * scale[0]
sel = flex.bool(atom_types == at)
isel = sel.iselection()
n_at = isel.size()
# print at, this_sf0
abs_Io = abs_Io + n_at * this_sf0
abs_Io = abs_Io**2.0
return abs_Io
def exercise_3():
pdb_raw = """\
ATOM 1 CA GLY A 1 -0.227 9.888 -15.197 1.00 54.04 C
ATOM 2 CA GLY A 2 -0.227 9.888 -15.197 1.00 54.04 C
ATOM 3 CA GLY A 3 -0.227 9.888 -15.197 1.00 54.04 C
ATOM 4 CA GLY A 4 -0.227 9.888 -15.197 1.00 54.04 C
ATOM 5 CA GLY A 5 -0.227 9.888 -15.197 1.00 54.04 C
ATOM 6 CA GLY A 6 -0.227 9.888 -15.197 1.00 54.04 C
ATOM 7 CA GLY A 7 -0.227 9.888 -15.197 1.00 54.04 C
ATOM 8 CA GLY A 8 -0.227 9.888 -15.197 1.00 54.04 C
ATOM 9 CA GLY A 9 -0.227 9.888 -15.197 1.00 54.04 C
ATOM 10 CA GLY A 10 -0.227 9.888 -15.197 1.00 54.04 C
HETATM 11 N SEP A 11 -2.112 0.368 -0.991 1.00 20.00 A N
HETATM 12 CA SEP A 11 -0.692 0.284 -0.951 1.00 20.00 A C
HETATM 13 CB SEP A 11 -0.234 0.166 0.485 1.00 20.00 A C
HETATM 14 OG SEP A 11 1.130 -0.184 0.515 1.00 20.00 A O
HETATM 15 C SEP A 11 -0.237 -0.930 -1.727 1.00 20.00 A C
HETATM 16 O SEP A 11 -0.767 -2.051 -1.509 1.00 20.00 A O
HETATM 18 P SEP A 11 1.922 -0.008 1.871 1.00 20.00 A P
HETATM 19 O1P SEP A 11 2.139 1.462 2.140 1.00 20.00 A O
HETATM 20 O2P SEP A 11 3.259 -0.703 1.767 1.00 20.00 A O-1
HETATM 21 O3P SEP A 11 1.127 -0.614 3.002 1.00 20.00 A O-1
END"""
mon_lib_srv = server.server()
ener_lib = server.ener_lib()
pdb_in = iotbx.pdb.hierarchy.input(pdb_string=pdb_raw)
xrs = pdb_in.input.xray_structure_simple()
processed_pdb_file = pdb_interpretation.process(
mon_lib_srv=mon_lib_srv,
ener_lib=ener_lib,
raw_records=pdb_in.hierarchy.as_pdb_string(crystal_symmetry=xrs),
crystal_symmetry=xrs,
log=null_out())
pdb_in.hierarchy.atoms().reset_i_seq()
ligand_sel = pdb_in.hierarchy.atom_selection_cache().selection(
"resname SEP")
mstats = model_properties.model_statistics(
pdb_hierarchy=pdb_in.hierarchy,
xray_structure=xrs,
all_chain_proxies=processed_pdb_file.all_chain_proxies,
ligand_selection=ligand_sel,
ignore_hd=True)
out = StringIO()
mstats.show(out=out)
assert (mstats.n_protein == 10)
assert ("Ligands:" in out.getvalue())
assert approx_equal(mstats.macromolecules.b_mean, 54.04)
# now with just the raw selection string
mstats = model_properties.model_statistics(
pdb_hierarchy=pdb_in.hierarchy,
xray_structure=xrs,
all_chain_proxies=processed_pdb_file.all_chain_proxies,
ligand_selection="resname SEP",
ignore_hd=True)
out = StringIO()
mstats.show(out=out)
assert (mstats.n_protein == 10)
assert ("Ligands:" in out.getvalue())
def run(args, residue_type, expected_results):
verbose = "--verbose" in args
debug = "--debug" in args
pdb_files = libtbx.env.find_in_repositories(
relative_path="phenix_regression/%s_pdb_files" % residue_type,
test=os.path.isdir)
if (pdb_files is None):
print "Skipping tst_%s_interpretation: input files not available" \
% residue_type
return
mon_lib_srv = server.server()
ener_lib = server.ener_lib()
for file_name in os.listdir(pdb_files):
if (file_name[-4:] not in [".ent", ".pdb"]): continue
if (verbose):
log = sys.stdout
else:
log = null_out()
processed_pdb_file = pdb_interpretation.process(
mon_lib_srv=mon_lib_srv,
ener_lib=ener_lib,
file_name=os.path.join(pdb_files, file_name),
log=log)
for mm in processed_pdb_file.all_chain_proxies.all_monomer_mappings:
residue_name = mm.residue_name
if (mm.classification == "RNA"):
for c in ["2", "3"]:
expected_mod = "%rna"+c+"p_pur"
if (mm.residue_name.find(expected_mod) > 0):
residue_name = mm.residue_name.replace(expected_mod, "")
break
expected_mod = "%rna"+c+"p_pyr"
if (mm.residue_name.find(expected_mod) > 0):
residue_name = mm.residue_name.replace(expected_mod, "")
break
assert len(mm.duplicate_atoms) == 0
assert len(mm.ignored_atoms) == 0
assert not mm.is_unusual
unexpected_names = [atom.name for atom in mm.unexpected_atoms]
result = [
residue_name,
len(mm.expected_atoms),
unexpected_names,
mm.classification,
mm.is_terminus,
mm.incomplete_info]
key = file_name[:-4]
if (debug):
print '"%s":' % key
print " ", str(result)+","
print " ", str(expected_results[key])+","
if (expected_results is not None):
assert result == expected_results[key], "%s not %s" % (
result,
expected_results[key],
)
print "OK"
def run(args, residue_type, expected_results):
verbose = "--verbose" in args
debug = "--debug" in args
pdb_files = libtbx.env.find_in_repositories(
relative_path="phenix_regression/%s_pdb_files" % residue_type,
test=os.path.isdir)
if (pdb_files is None):
print "Skipping tst_%s_interpretation: input files not available" \
% residue_type
return
mon_lib_srv = server.server()
ener_lib = server.ener_lib()
for file_name in os.listdir(pdb_files):
if (file_name[-4:] not in [".ent", ".pdb"]): continue
if (verbose):
log = sys.stdout
else:
log = null_out()
processed_pdb_file = pdb_interpretation.process(
mon_lib_srv=mon_lib_srv,
ener_lib=ener_lib,
file_name=os.path.join(pdb_files, file_name),
log=log)
for mm in processed_pdb_file.all_chain_proxies.all_monomer_mappings:
residue_name = mm.residue_name
if (mm.classification == "RNA"):
for c in ["2", "3"]:
expected_mod = "%rna" + c + "p_pur"
if (mm.residue_name.find(expected_mod) > 0):
residue_name = mm.residue_name.replace(
expected_mod, "")
break
expected_mod = "%rna" + c + "p_pyr"
if (mm.residue_name.find(expected_mod) > 0):
residue_name = mm.residue_name.replace(
expected_mod, "")
break
assert len(mm.duplicate_atoms) == 0
assert len(mm.ignored_atoms) == 0
assert not mm.is_unusual
unexpected_names = [atom.name for atom in mm.unexpected_atoms]
result = [
residue_name,
len(mm.expected_atoms), unexpected_names, mm.classification,
mm.is_terminus, mm.incomplete_info
]
key = file_name[:-4]
if (debug):
print '"%s":' % key
print " ", str(result) + ","
print " ", str(expected_results[key]) + ","
if (expected_results is not None):
assert result == expected_results[key], "%s not %s" % (
result,
expected_results[key],
)
print "OK"
def exercise_3 () :
pdb_raw = """\
ATOM 1 CA GLY A 1 -0.227 9.888 -15.197 1.00 54.04 C
ATOM 2 CA GLY A 2 -0.227 9.888 -15.197 1.00 54.04 C
ATOM 3 CA GLY A 3 -0.227 9.888 -15.197 1.00 54.04 C
ATOM 4 CA GLY A 4 -0.227 9.888 -15.197 1.00 54.04 C
ATOM 5 CA GLY A 5 -0.227 9.888 -15.197 1.00 54.04 C
ATOM 6 CA GLY A 6 -0.227 9.888 -15.197 1.00 54.04 C
ATOM 7 CA GLY A 7 -0.227 9.888 -15.197 1.00 54.04 C
ATOM 8 CA GLY A 8 -0.227 9.888 -15.197 1.00 54.04 C
ATOM 9 CA GLY A 9 -0.227 9.888 -15.197 1.00 54.04 C
ATOM 10 CA GLY A 10 -0.227 9.888 -15.197 1.00 54.04 C
HETATM 11 N SEP A 11 -2.112 0.368 -0.991 1.00 20.00 A N
HETATM 12 CA SEP A 11 -0.692 0.284 -0.951 1.00 20.00 A C
HETATM 13 CB SEP A 11 -0.234 0.166 0.485 1.00 20.00 A C
HETATM 14 OG SEP A 11 1.130 -0.184 0.515 1.00 20.00 A O
HETATM 15 C SEP A 11 -0.237 -0.930 -1.727 1.00 20.00 A C
HETATM 16 O SEP A 11 -0.767 -2.051 -1.509 1.00 20.00 A O
HETATM 18 P SEP A 11 1.922 -0.008 1.871 1.00 20.00 A P
HETATM 19 O1P SEP A 11 2.139 1.462 2.140 1.00 20.00 A O
HETATM 20 O2P SEP A 11 3.259 -0.703 1.767 1.00 20.00 A O-1
HETATM 21 O3P SEP A 11 1.127 -0.614 3.002 1.00 20.00 A O-1
END"""
mon_lib_srv = server.server()
ener_lib = server.ener_lib()
pdb_in = iotbx.pdb.hierarchy.input(pdb_string=pdb_raw)
xrs = pdb_in.input.xray_structure_simple()
processed_pdb_file = pdb_interpretation.process(
mon_lib_srv=mon_lib_srv,
ener_lib=ener_lib,
raw_records=pdb_in.hierarchy.as_pdb_string(crystal_symmetry=xrs),
crystal_symmetry=xrs,
log=null_out())
pdb_in.hierarchy.atoms().reset_i_seq()
ligand_sel = pdb_in.hierarchy.atom_selection_cache().selection("resname SEP")
mstats = model_properties.model_statistics(
pdb_hierarchy=pdb_in.hierarchy,
xray_structure=xrs,
all_chain_proxies=processed_pdb_file.all_chain_proxies,
ligand_selection=ligand_sel,
ignore_hd=True)
out = StringIO()
mstats.show(out=out)
assert (mstats.n_protein == 10)
assert ("Ligands:" in out.getvalue())
assert approx_equal(mstats.macromolecules.b_mean, 54.04)
# now with just the raw selection string
mstats = model_properties.model_statistics(
pdb_hierarchy=pdb_in.hierarchy,
xray_structure=xrs,
all_chain_proxies=processed_pdb_file.all_chain_proxies,
ligand_selection="resname SEP",
ignore_hd=True)
out = StringIO()
mstats.show(out=out)
assert (mstats.n_protein == 10)
assert ("Ligands:" in out.getvalue())
def reprocess_pdb (pdb_hierarchy, crystal_symmetry, cif_objects, out) :
from mmtbx.monomer_library import pdb_interpretation
from mmtbx.monomer_library import server
mon_lib_srv = server.server()
ener_lib = server.ener_lib()
for cif_object in cif_objects :
for srv in [mon_lib_srv, ener_lib]:
srv.process_cif_object(cif_object=cif_object)
return pdb_interpretation.process(
mon_lib_srv=mon_lib_srv,
ener_lib=ener_lib,
raw_records=pdb_hierarchy.as_pdb_string(crystal_symmetry=crystal_symmetry),
crystal_symmetry=crystal_symmetry,
log=out)
def reprocess_pdb(pdb_hierarchy, crystal_symmetry, cif_objects, out):
from mmtbx.monomer_library import pdb_interpretation
from mmtbx.monomer_library import server
mon_lib_srv = server.server()
ener_lib = server.ener_lib()
for cif_object in cif_objects:
for srv in [mon_lib_srv, ener_lib]:
srv.process_cif_object(cif_object=cif_object)
return pdb_interpretation.process(mon_lib_srv=mon_lib_srv,
ener_lib=ener_lib,
raw_records=pdb_hierarchy.as_pdb_string(
crystal_symmetry=crystal_symmetry),
crystal_symmetry=crystal_symmetry,
log=out)
def get_pdb_inputs(pdb_str):
processed_pdb_file = pdb_interpretation.process(
mon_lib_srv=server.server(),
ener_lib=server.ener_lib(),
raw_records=flex.std_string(pdb_str.splitlines()),
strict_conflict_handling=True,
force_symmetry=True,
log=None)
xrs = processed_pdb_file.xray_structure(show_summary=False)
geometry_restraints_manager = geometry_minimization.\
get_geometry_restraints_manager(processed_pdb_file, xrs)
pdb_hierarchy = processed_pdb_file.all_chain_proxies.pdb_hierarchy
return group_args(ph=pdb_hierarchy,
grm=geometry_restraints_manager,
xrs=xrs)
def get_pdb_inputs(pdb_str):
processed_pdb_file = pdb_interpretation.process(
mon_lib_srv = server.server(),
ener_lib = server.ener_lib(),
raw_records = flex.std_string(pdb_str.splitlines()),
strict_conflict_handling = True,
force_symmetry = True,
log = None)
xrs = processed_pdb_file.xray_structure(show_summary = False)
geometry_restraints_manager = geometry_minimization.\
get_geometry_restraints_manager(processed_pdb_file, xrs)
pdb_hierarchy = processed_pdb_file.all_chain_proxies.pdb_hierarchy
return group_args(
ph = pdb_hierarchy,
grm = geometry_restraints_manager,
xrs = xrs)
def get_complete_dihedral_proxies(
pdb_hierarchy=None,
file_name=None,
raw_records=None,
mon_lib_srv=None,
ener_lib=None,
crystal_symmetry=None,
log=None):
#
# This function is called only for reference files, that were not processed
# yet. For the main file only get_dihedrals_and_phi_psi below is called.
#
assert [pdb_hierarchy,
file_name,
raw_records].count(None) == 2
from mmtbx.monomer_library import server, pdb_interpretation
import cStringIO
if log is None:
log = sys.stdout
if mon_lib_srv is None:
mon_lib_srv = server.server()
if ener_lib is None:
ener_lib = server.ener_lib()
if pdb_hierarchy is not None:
raw_records = pdb_hierarchy.as_pdb_string()
if raw_records is not None:
if (isinstance(raw_records, str)):
raw_records = flex.split_lines(raw_records)
work_params = pdb_interpretation.master_params.extract()
work_params.c_beta_restraints=False
work_params.automatic_linking.link_none=True
work_params.clash_guard.nonbonded_distance_threshold = None
processed_pdb_file_local = \
pdb_interpretation.process(
mon_lib_srv=mon_lib_srv,
ener_lib=ener_lib,
params=work_params,
file_name=file_name,
raw_records=raw_records,
strict_conflict_handling=False,
crystal_symmetry=crystal_symmetry,
force_symmetry=True,
log=cStringIO.StringIO(),
substitute_non_crystallographic_unit_cell_if_necessary=True)
return get_dihedrals_and_phi_psi(processed_pdb_file_local)
def get_mstats(pdb_raw):
mon_lib_srv = server.server()
ener_lib = server.ener_lib()
pdb_in = iotbx.pdb.hierarchy.input(pdb_string=pdb_raw)
xrs = pdb_in.input.xray_structure_simple()
processed_pdb_file = pdb_interpretation.process(
mon_lib_srv=mon_lib_srv,
ener_lib=ener_lib,
raw_records=pdb_in.hierarchy.as_pdb_string(crystal_symmetry=xrs),
crystal_symmetry=xrs,
log=null_out())
pdb_in.hierarchy.atoms().reset_i_seq()
mstats = model_properties.model_statistics(
pdb_hierarchy=pdb_in.hierarchy,
xray_structure=xrs,
all_chain_proxies=processed_pdb_file.all_chain_proxies,
ignore_hd=True)
return mstats
def __init__(self, pdb_file_name=None, raw_records=None):
# assert count(pdb_file_name, raw_records)==1
if pdb_file_name:
self.pdb_inp = iotbx.pdb.input(file_name=pdb_file_name)
else:
self.pdb_inp = iotbx.pdb.input(lines=raw_records,
source_info='raw_records')
self.hierarchy = self.pdb_inp.construct_hierarchy()
self.mon_lib_srv = server.server()
self.ener_lib = server.ener_lib()
self.processed_pdb = pdb_interpretation.process(
self.mon_lib_srv,
self.ener_lib,
file_name=pdb_file_name,
raw_records=raw_records)
self.geometry_restraints_manager = self.processed_pdb.geometry_restraints_manager(
)
self.atom_elements = {}
def get_complete_dihedral_proxies(pdb_hierarchy=None,
file_name=None,
raw_records=None,
mon_lib_srv=None,
ener_lib=None,
crystal_symmetry=None,
log=None):
#
# This function is called only for reference files, that were not processed
# yet. For the main file only get_dihedrals_and_phi_psi below is called.
# Still used for reference model torsion restraints
#
assert [pdb_hierarchy, file_name, raw_records].count(None) == 2
from mmtbx.monomer_library import server, pdb_interpretation
import cStringIO
if log is None:
log = sys.stdout
if mon_lib_srv is None:
mon_lib_srv = server.server()
if ener_lib is None:
ener_lib = server.ener_lib()
if pdb_hierarchy is not None:
raw_records = pdb_hierarchy.as_pdb_string()
if raw_records is not None:
if (isinstance(raw_records, str)):
raw_records = flex.split_lines(raw_records)
work_params = pdb_interpretation.master_params.extract()
work_params.c_beta_restraints = False
work_params.automatic_linking.link_none = True
work_params.clash_guard.nonbonded_distance_threshold = None
processed_pdb_file_local = \
pdb_interpretation.process(
mon_lib_srv=mon_lib_srv,
ener_lib=ener_lib,
params=work_params,
file_name=file_name,
raw_records=raw_records,
strict_conflict_handling=False,
crystal_symmetry=crystal_symmetry,
force_symmetry=True,
log=cStringIO.StringIO(),
substitute_non_crystallographic_unit_cell_if_necessary=True)
return get_dihedrals_and_phi_psi(processed_pdb_file_local)
def get_complete_dihedral_proxies(
pdb_hierarchy=None,
file_name=None,
raw_records=None,
mon_lib_srv=None,
ener_lib=None,
crystal_symmetry=None,
restraint_objects=None,
monomer_parameters=None,
log=None):
#
# This function is called only for reference files, that were not processed
# yet. For the main file only get_dihedrals_and_phi_psi below is called.
# Still used for reference model torsion restraints
#
import mmtbx.model
assert [pdb_hierarchy,
file_name,
raw_records].count(None) == 2
from mmtbx.monomer_library import server, pdb_interpretation
if log is None:
log = sys.stdout
if mon_lib_srv is None:
mon_lib_srv = server.server()
if ener_lib is None:
ener_lib = server.ener_lib()
if pdb_hierarchy is not None:
raw_records = pdb_hierarchy.as_pdb_string()
if raw_records is not None:
if (isinstance(raw_records, str)):
raw_records = flex.split_lines(raw_records)
work_params = mmtbx.model.manager.get_default_pdb_interpretation_params()
work_params.pdb_interpretation.c_beta_restraints=False
work_params.pdb_interpretation.automatic_linking.link_none=True
work_params.pdb_interpretation.clash_guard.nonbonded_distance_threshold = None
pdb_inp = input(lines=raw_records, source_info=None)
model = mmtbx.model.manager(
model_input = pdb_inp,
build_grm = True,
pdb_interpretation_params=work_params,
restraint_objects=restraint_objects,
monomer_parameters=monomer_parameters,
log=null_out())
return get_dihedrals_and_phi_psi(model)
def get_geometry_restraints_manager(pdb_filename,
#pdb_inp,
#pdb_hierarchy,
):
t0 = time.time()
from mmtbx.monomer_library import server
from mmtbx.monomer_library import pdb_interpretation
#lines = pdb_hierarchy.as_pdb_string(
# crystal_symmetry=pdb_inp.crystal_symmetry(),
# )
mon_lib_srv = server.server()
ener_lib = server.ener_lib()
processed_pdb = pdb_interpretation.process(
mon_lib_srv,
ener_lib,
#raw_records=lines,
file_name=pdb_filename,
)
geometry_restraints_manager = processed_pdb.geometry_restraints_manager()
print 'time', time.time() - t0
return geometry_restraints_manager
def get_geometry_restraints_manager(pdb_filename,
#pdb_inp,
#pdb_hierarchy,
):
t0=time.time()
from mmtbx.monomer_library import server
from mmtbx.monomer_library import pdb_interpretation
#lines = pdb_hierarchy.as_pdb_string(
# crystal_symmetry=pdb_inp.crystal_symmetry(),
# )
mon_lib_srv = server.server()
ener_lib = server.ener_lib()
processed_pdb = pdb_interpretation.process(
mon_lib_srv,
ener_lib,
#raw_records=lines,
file_name=pdb_filename,
)
geometry_restraints_manager = processed_pdb.geometry_restraints_manager()
print 'time',time.time()-t0
return geometry_restraints_manager
def read_dummy_type(file_name=None, pdb_inp=None):
assert ((file_name is not None) or (pdb_inp is not None))
mon_lib_srv = server.server()
ener_lib = server.ener_lib()
if (pdb_inp is None):
tmp_obj = pdb_interpretation.process(
mon_lib_srv=mon_lib_srv, ener_lib=ener_lib,
file_name=file_name).all_chain_proxies
else:
tmp_obj = pdb_interpretation.process(mon_lib_srv=mon_lib_srv,
ener_lib=ener_lib,
pdb_inp=pdb_inp).all_chain_proxies
ats = tmp_obj.nonbonded_energy_type_registry.symbols
els = tmp_obj.scattering_type_registry.symbols
for i in range(ats.size()):
if ats[i] == "":
ats[i] = els[i]
return ats
def run_validation(self) :
# get required elements to run:
# - pdb_hierarchy and geometry
pdb_in = iotbx.pdb.input(file_name=self.pdb_file)
mon_lib_srv = server.server()
ener_lib = server.ener_lib()
processed_pdb_file = pdb_interpretation.process(
mon_lib_srv=mon_lib_srv,
ener_lib=ener_lib,
pdb_inp=pdb_in,
substitute_non_crystallographic_unit_cell_if_necessary=True)
pdb_hierarchy = processed_pdb_file.all_chain_proxies.pdb_hierarchy
geometry = processed_pdb_file.geometry_restraints_manager()
# - params
import mmtbx.command_line.rna_validate
params = mmtbx.command_line.rna_validate.get_master_phil().extract()
# run rna_validation
self.result = rna_validation(
pdb_hierarchy=pdb_hierarchy,
geometry_restraints_manager=geometry,
params=params,
outliers_only=False)
def exercise_2 () :
pdb_raw = """\
ATOM 6407 N GLY A 388 -0.783 9.368 -16.436 1.00 51.96 N
ATOM 6408 CA GLY A 388 -0.227 9.888 -15.197 1.00 54.04 C
ATOM 6409 C GLY A 388 -0.637 11.320 -14.897 1.00 55.86 C
ATOM 6410 O GLY A 388 -1.728 11.738 -15.347 1.00 56.70 O
ATOM 6411 OXT GLY A 388 0.129 12.024 -14.203 1.00 56.98 O
ATOM 6412 D GLY A 388 -0.460 9.727 -17.309 1.00 51.44 D
ATOM 6413 HA2 GLY A 388 -0.561 9.258 -14.385 1.00 54.07 H
ATOM 6414 HA3 GLY A 388 0.843 9.835 -15.243 1.00 54.13 H
TER 6415 GLY A 388
HETATM 6416 D D8U A 401 -12.236 -13.695 -42.992 1.00 15.23 D
HETATM 6417 O DOD A1001 -4.151 -5.107 -38.592 1.00 13.40 O
HETATM 6418 D1 DOD A1001 -4.760 -5.026 -39.326 1.00 15.45 D
HETATM 6419 D2 DOD A1001 -4.625 -4.741 -37.845 1.00 14.81 D
"""
mon_lib_srv = server.server()
ener_lib = server.ener_lib()
pdb_in = iotbx.pdb.hierarchy.input(pdb_string=pdb_raw)
xrs = pdb_in.input.xray_structure_simple()
processed_pdb_file = pdb_interpretation.process(
mon_lib_srv=mon_lib_srv,
ener_lib=ener_lib,
raw_records=pdb_in.hierarchy.as_pdb_string(crystal_symmetry=xrs),
crystal_symmetry=xrs,
log=null_out())
pdb_in.hierarchy.atoms().reset_i_seq()
mstats = model_properties.model_statistics(
pdb_hierarchy=pdb_in.hierarchy,
xray_structure=xrs,
all_chain_proxies=processed_pdb_file.all_chain_proxies,
ignore_hd=True)
out = StringIO()
mstats.show(out=out)
assert ("Ligands:" in out.getvalue())
assert ("B_iso: mean = 15.2 max = 15.2 min = 15.2" in out.getvalue())
def exercise_1():
pdb_raw = """\
ATOM 1134 N LYS A 82 5.933 36.285 21.572 1.00 70.94 N
ATOM 1135 CA LYS A 82 6.564 37.423 20.931 1.00 76.69 C
ATOM 1136 C LYS A 82 5.553 38.547 20.756 1.00 78.75 C
ATOM 1137 O LYS A 82 5.325 39.038 19.654 1.00 86.47 O
ATOM 1138 CB LYS A 82 7.179 37.024 19.583 1.00 82.32 C
ATOM 1139 CG LYS A 82 8.190 38.035 19.048 0.00 70.34 C
ATOM 1140 CD LYS A 82 9.429 38.129 19.944 0.00 67.69 C
ATOM 1141 CE LYS A 82 9.983 39.545 20.014 0.00 64.44 C
ATOM 1142 NZ LYS A 82 10.933 39.832 18.908 0.00 61.45 N
ATOM 1143 H LYS A 82 5.139 36.115 21.291 1.00 85.12 H
ATOM 1144 HA LYS A 82 7.279 37.749 21.501 1.00 92.03 H
ATOM 1145 HB2 LYS A 82 6.469 36.939 18.928 1.00 98.78 H
ATOM 1146 HB3 LYS A 82 7.636 36.175 19.687 1.00 98.78 H
ATOM 1147 HG2 LYS A 82 8.476 37.762 18.163 0.00 84.41 H
ATOM 1148 HG3 LYS A 82 7.775 38.912 19.011 0.00 84.41 H
ATOM 1149 HD2 LYS A 82 9.193 37.853 20.843 0.00 81.23 H
ATOM 1150 HD3 LYS A 82 10.122 37.551 19.589 0.00 81.23 H
ATOM 1151 HE2 LYS A 82 9.249 40.177 19.952 0.00 77.33 H
ATOM 1152 HE3 LYS A 82 10.453 39.662 20.854 0.00 77.33 H
ATOM 1153 HZ1 LYS A 82 11.237 40.666 18.977 0.00 73.75 H
ATOM 1154 HZ2 LYS A 82 10.523 39.738 18.123 0.00 73.75 H
ATOM 1155 HZ3 LYS A 82 11.621 39.269 18.944 0.00 73.75 H
ATOM 1156 N LYS A 83 4.936 38.927 21.866 1.00 75.79 N
ATOM 1157 CA LYS A 83 4.177 40.172 21.966 1.00 82.80 C
ATOM 1158 C LYS A 83 4.081 40.508 23.460 1.00 86.23 C
ATOM 1159 O LYS A 83 2.978 40.521 24.017 1.00 79.81 O
ATOM 1160 CB LYS A 83 2.790 40.044 21.332 1.00 79.16 C
ATOM 1161 CG LYS A 83 2.038 41.342 21.175 0.00 70.42 C
ATOM 1162 CD LYS A 83 2.072 41.803 19.735 0.00 66.90 C
ATOM 1163 CE LYS A 83 1.295 43.089 19.552 0.00 62.46 C
ATOM 1164 NZ LYS A 83 1.004 43.350 18.118 0.00 60.73 N
ATOM 1165 H LYS A 83 4.940 38.470 22.594 1.00 90.95 H
ATOM 1166 HA LYS A 83 4.658 40.885 21.518 1.00 99.36 H
ATOM 1167 HB2 LYS A 83 2.251 39.459 21.887 1.00 95.00 H
ATOM 1168 HB3 LYS A 83 2.890 39.655 20.449 1.00 95.00 H
ATOM 1169 HG2 LYS A 83 1.113 41.213 21.435 0.00 84.51 H
ATOM 1170 HG3 LYS A 83 2.453 42.024 21.726 0.00 84.51 H
ATOM 1171 HD2 LYS A 83 2.992 41.962 19.471 0.00 80.28 H
ATOM 1172 HD3 LYS A 83 1.672 41.123 19.171 0.00 80.28 H
ATOM 1173 HE2 LYS A 83 0.452 43.024 20.027 0.00 74.95 H
ATOM 1174 HE3 LYS A 83 1.818 43.830 19.896 0.00 74.95 H
ATOM 1175 HZ1 LYS A 83 0.521 42.683 17.780 0.00 72.87 H
ATOM 1176 HZ2 LYS A 83 1.764 43.417 17.661 0.00 72.87 H
ATOM 1177 HZ3 LYS A 83 0.548 44.109 18.034 0.00 72.87 H
ATOM 3630 N ASN A 242 -5.454 -3.027 1.145 0.00 67.69 N
ATOM 3631 CA ASN A 242 -4.759 -2.535 -0.037 0.00 65.44 C
ATOM 3632 C ASN A 242 -5.734 -2.397 -1.208 0.00 63.57 C
ATOM 3633 O ASN A 242 -6.425 -3.357 -1.552 0.00 63.94 O
ATOM 3634 CB ASN A 242 -3.626 -3.503 -0.392 0.00 63.13 C
ATOM 3635 CG ASN A 242 -2.802 -3.044 -1.576 0.00 63.58 C
ATOM 3636 OD1 ASN A 242 -2.524 -1.862 -1.731 0.00 65.52 O
ATOM 3637 ND2 ASN A 242 -2.399 -3.988 -2.416 0.00 62.17 N
ATOM 3638 H ASN A 242 -5.562 -3.880 1.129 0.00 81.22 H
ATOM 3639 HA ASN A 242 -4.375 -1.665 0.151 0.00 78.53 H
ATOM 3640 HB2 ASN A 242 -3.032 -3.587 0.370 0.00 75.76 H
ATOM 3641 HB3 ASN A 242 -4.007 -4.368 -0.611 0.00 75.76 H
ATOM 3642 HD21 ASN A 242 -1.929 -3.779 -3.104 0.00 74.60 H
ATOM 3643 HD22 ASN A 242 -2.609 -4.810 -2.272 0.00 74.60 H
ATOM 2 CA ALYS A 32 10.574 8.177 11.768 0.40 71.49 C
ATOM 3 CB ALYS A 32 9.197 8.686 12.246 0.40 74.71 C
ATOM 2 CA BLYS A 32 10.574 8.177 11.768 0.40 71.49 C
ATOM 3 CB BLYS A 32 9.197 8.686 12.246 0.40 74.71 C
ATOM 5 CA AVAL A 33 11.708 5.617 14.332 0.50 71.42 C
ATOM 6 CB AVAL A 33 11.101 4.227 14.591 0.50 71.47 C
ATOM 5 CA BVAL A 33 11.708 5.617 14.332 0.40 71.42 C
ATOM 6 CB BVAL A 33 11.101 4.227 14.591 0.40 71.47 C
TER
ATOM 1 N GLU X 18 -13.959 12.159 -6.598 1.00260.08 N
ATOM 2 CA GLU X 18 -13.297 13.465 -6.628 1.00269.83 C
ATOM 3 C GLU X 18 -11.946 13.282 -7.309 1.00269.18 C
ATOM 4 CB GLU X 18 -13.128 14.035 -5.210 1.00261.96 C
ATOM 5 CG GLU X 18 -14.455 14.401 -4.522 1.00263.56 C
ATOM 6 CD GLU X 18 -14.291 15.239 -3.242 1.00264.89 C
ATOM 7 OE1 GLU X 18 -14.172 14.646 -2.143 1.00264.24 O
ATOM 8 OE2 GLU X 18 -14.309 16.498 -3.306 1.00264.37 O1-
HETATM 614 S SO4 B 101 14.994 20.601 10.862 0.00 7.02 S
HETATM 615 O1 SO4 B 101 14.234 20.194 12.077 0.00 7.69 O
HETATM 616 O2 SO4 B 101 14.048 21.062 9.850 0.00 9.28 O
HETATM 617 O3 SO4 B 101 15.905 21.686 11.261 0.00 8.01 O
HETATM 618 O4 SO4 B 101 15.772 19.454 10.371 0.00 8.18 O
TER
HETATM 122 O HOH S 1 5.334 8.357 8.032 1.00 0.00 O
HETATM 123 O HOH S 2 5.396 15.243 10.734 1.00202.95 O
HETATM 124 O HOH S 3 -25.334 18.357 18.032 0.00 20.00 O
"""
mon_lib_srv = server.server()
ener_lib = server.ener_lib()
pdb_in = iotbx.pdb.hierarchy.input(pdb_string=pdb_raw)
xrs = pdb_in.input.xray_structure_simple()
processed_pdb_file = pdb_interpretation.process(
mon_lib_srv=mon_lib_srv,
ener_lib=ener_lib,
raw_records=pdb_in.hierarchy.as_pdb_string(crystal_symmetry=xrs),
crystal_symmetry=xrs,
log=null_out())
pdb_in.hierarchy.atoms().reset_i_seq()
mstats = model_properties.model_statistics(
pdb_hierarchy=pdb_in.hierarchy,
xray_structure=xrs,
all_chain_proxies=processed_pdb_file.all_chain_proxies,
ignore_hd=True)
out = StringIO()
mstats.show(out=out)
#print out.getvalue()
assert not show_diff(
out.getvalue(), """\
Overall:
Number of atoms = 50 (anisotropic = 0)
B_iso: mean = 96.0 max = 269.8 min = 0.0
Occupancy: mean = 0.47 max = 1.00 min = 0.00
warning: 22 atoms with zero occupancy
69 total B-factor or occupancy problem(s) detected
Atoms or residues with zero occupancy:
LYS A 82 CG occ=0.00
LYS A 82 CD occ=0.00
LYS A 82 CE occ=0.00
LYS A 82 NZ occ=0.00
LYS A 83 CG occ=0.00
LYS A 83 CD occ=0.00
LYS A 83 CE occ=0.00
LYS A 83 NZ occ=0.00
ASN A 242 (all) occ=0.00
SO4 B 101 (all) occ=0.00
HOH S 3 O occ=0.00
Macromolecules:
Number of atoms = 42 (anisotropic = 0)
B_iso: mean = 108.0 max = 269.8 min = 60.7
Occupancy: mean = 0.51 max = 1.00 min = 0.00
warning: 16 atoms with zero occupancy
59 total B-factor or occupancy problem(s) detected
Ligands:
Number of atoms = 5 (anisotropic = 0)
B_iso: mean = 8.0 max = 9.3 min = 7.0
Occupancy: mean = 0.00 max = 0.00 min = 0.00
warning: 5 atoms with zero occupancy
6 total B-factor or occupancy problem(s) detected
Waters:
Number of atoms = 3 (anisotropic = 0)
B_iso: mean = 74.3 max = 202.9 min = 0.0
Occupancy: mean = 0.67 max = 1.00 min = 0.00
warning: 1 atoms with zero occupancy
4 total B-factor or occupancy problem(s) detected
(Hydrogen atoms not included in overall counts.)
""")
assert (len(mstats.all.bad_adps) == 1)
assert (mstats.all.n_zero_b == 1)
mstats2 = loads(dumps(mstats))
out1 = StringIO()
out2 = StringIO()
mstats.show(out=out1)
mstats2.show(out=out2)
assert (out1.getvalue() == out2.getvalue())
# now with ignore_hd=False
mstats3 = model_properties.model_statistics(
pdb_hierarchy=pdb_in.hierarchy,
xray_structure=xrs,
all_chain_proxies=processed_pdb_file.all_chain_proxies,
ignore_hd=False)
out2 = StringIO()
mstats3.show(out=out2)
assert (out2.getvalue() != out.getvalue())
assert (""" LYS A 83 HZ3 occ=0.00""" in out2.getvalue())
outliers = mstats3.all.as_gui_table_data(include_zoom=True)
assert (len(outliers) == 86)
# test with all_chain_proxies undefined
mstats4 = model_properties.model_statistics(pdb_hierarchy=pdb_in.hierarchy,
xray_structure=xrs,
all_chain_proxies=None,
ignore_hd=False)
outliers = mstats4.all.as_gui_table_data(include_zoom=True)
assert (len(outliers) == 86)
def morph_models (params, out=None, debug=False) :
assert len(params.morph.pdb_file) > 1
assert (len(params.morph.frames) == (len(params.morph.pdb_file) - 1))
if (out is None) : out = sys.stdout
from mmtbx.monomer_library import pdb_interpretation, server
from iotbx import file_reader
pdb_hierarchies = []
for pdb_file in params.morph.pdb_file :
pdb_in = file_reader.any_file(pdb_file, force_type="pdb")
pdb_in.check_file_type("pdb")
hierarchy = pdb_in.file_object.hierarchy
pdb_hierarchies.append(hierarchy)
new_pdb = homogenize_structures(
pdb_hierarchies=pdb_hierarchies,
delete_waters=params.morph.delete_waters,
debug=debug)
mon_lib_srv = server.server()
ener_lib = server.ener_lib()
for cif_file in params.morph.cif_file :
print "Loading CIF file %s" % cif_file
cif_object = server.read_cif(file_name=cif_file)
mon_lib_serv.process_cif_object(cif_object=cif_object, file_name=cif_file)
ener_lib.process_cif_object(cif_object=cif_object, file_name=cif_file)
if (params.morph.minimization.interpolate_dihedrals) :
params.pdb_interpretation.peptide_link.discard_psi_phi = False
processed_pdb_file = pdb_interpretation.process(
mon_lib_srv=mon_lib_srv,
ener_lib=ener_lib,
params=params.pdb_interpretation,
pdb_inp=new_pdb[0],
substitute_non_crystallographic_unit_cell_if_necessary=True)
all_chain_proxies = processed_pdb_file.all_chain_proxies
static_coords = [ all_chain_proxies.pdb_hierarchy.atoms().extract_xyz() ]
for pdb_inp in new_pdb[1:] :
sites = pdb_inp.atoms().extract_xyz()
static_coords.append(sites)
if (params.morph.fitting.align_atoms is not None) :
print >> out, "Superposing on initial structure..."
selection_cache = all_chain_proxies.pdb_hierarchy.atom_selection_cache()
selection = selection_cache.selection(params.morph.fitting.align_atoms)
if (selection.count(True) == 0) :
raise Sorry("No atoms in alignment selection!")
i_ref = params.morph.fitting.reference_structure
sites_fixed = static_coords[i_ref]
j = 0
while (j < len(static_coords)) :
if (j != i_ref) :
sites_moving = static_coords[j]
assert (len(sites_moving) == len(sites_fixed) > 0)
if (params.morph.fitting.sieve_fit) :
from scitbx.math import superpose
lsq_fit = superpose.sieve_fit(
sites_fixed=sites_fixed,
sites_moving=sites_moving,
selection=selection)
sites_moving_new = lsq_fit.r.elems * sites_moving + lsq_fit.t.elems
else :
sites_moving_new = fit_sites(
sites_fixed=sites_fixed,
sites_moving=sites_moving,
selection=selection)
assert (sites_moving_new.size() == sites_moving.size())
static_coords[j] = sites_moving_new
j += 1
print >> out, "Ready to morph"
morphs = []
restraints_manager = processed_pdb_file.geometry_restraints_manager()
for i in range(len(params.morph.pdb_file) - 1) :
morph = adiabatic_mapping(
pdb_hierarchy=all_chain_proxies.pdb_hierarchy,
restraints_manager=restraints_manager,
start_coords = static_coords[i],
end_coords = static_coords[i+1],
params = params.morph.minimization,
nsteps = params.morph.frames[i],
out=out)
morphs.append(morph)
serial = 1
if (params.morph.output_directory is not None) :
output_base = os.path.join(params.morph.output_directory,
params.morph.output_prefix)
else :
output_base = params.morph.output_prefix
for i, morph in enumerate(morphs) :
serial = morph.write_pdb_files(
output_base=output_base,
serial=serial,
serial_format=params.morph.serial_format,
pause=params.morph.pause,
pause_at_end=(i == (len(morphs) - 1)),
log=out)
f = open("%s.pml" % output_base, "w")
for i in range(1, serial) :
format_base = "%s_%s" % (output_base, params.morph.serial_format)
print >> f, "load %s.pdb, morph" % (format_base % i)
f.close()
print >> out, "PyMOL script is %s.pml" % output_base
pdb_inp = iotbx.pdb.input(lines=pdb_str.split("\n"), source_info=None)
model = mmtbx.model.manager(model_input=pdb_inp,
pdb_interpretation_params=params,
log=null_out(),
build_grm=True)
grm = model.get_restraints_manager().geometry
nprox = grm.ramachandran_manager.get_n_proxies()
assert nprox == correct_nprox, ""+\
"Want to get %d rama proxies, got %d" % (correct_nprox, nprox)
if __name__ == "__main__":
import time
mon_lib_srv = server.server()
ener_lib = server.ener_lib()
t0 = time.time()
exercise_basic()
t1 = time.time()
exercise_lbfgs_simple(mon_lib_srv, ener_lib, ("--verbose" in sys.argv)
or ("-v" in sys.argv))
t2 = time.time()
if ("--full" in sys.argv):
exercise_lbfgs_big(mon_lib_srv, ener_lib, ("--verbose" in sys.argv)
or ("-v" in sys.argv))
t3 = time.time()
exercise_geo_output(mon_lib_srv, ener_lib)
exercise_manager_selection(mon_lib_srv, ener_lib)
t4 = time.time()
exercise_ramachandran_selections(mon_lib_srv, ener_lib)
t5 = time.time()
def run (args, params=None, out=sys.stdout, log=sys.stderr) :
# params keyword is for running program from GUI dialog
if ( ((len(args) == 0) and (params is None)) or
((len(args) > 0) and ((args[0] == "-h") or (args[0] == "--help"))) ):
show_usage()
return
# parse command-line arguments
if (params is None):
pcl = iotbx.phil.process_command_line_with_files(
args=args,
master_phil_string=master_phil_str,
pdb_file_def="file_name")
work_params = pcl.work.extract()
# or use parameters defined by GUI
else:
work_params = params
pdb_files = work_params.file_name
work_params.secondary_structure.enabled=True
assert work_params.format in ["phenix", "phenix_refine", "phenix_bonds",
"pymol", "refmac", "kinemage", "pdb"]
if work_params.quiet :
out = cStringIO.StringIO()
pdb_combined = iotbx.pdb.combine_unique_pdb_files(file_names=pdb_files)
pdb_structure = iotbx.pdb.input(source_info=None,
lines=flex.std_string(pdb_combined.raw_records))
cs = pdb_structure.crystal_symmetry()
corrupted_cs = False
if cs is not None:
if [cs.unit_cell(), cs.space_group()].count(None) > 0:
corrupted_cs = True
cs = None
elif cs.unit_cell().volume() < 10:
corrupted_cs = True
cs = None
if cs is None:
if corrupted_cs:
print >> out, "Symmetry information is corrupted, "
else:
print >> out, "Symmetry information was not found, "
print >> out, "putting molecule in P1 box."
from cctbx import uctbx
atoms = pdb_structure.atoms()
box = uctbx.non_crystallographic_unit_cell_with_the_sites_in_its_center(
sites_cart=atoms.extract_xyz(),
buffer_layer=3)
atoms.set_xyz(new_xyz=box.sites_cart)
cs = box.crystal_symmetry()
from mmtbx.monomer_library import pdb_interpretation, server
import mmtbx
import mmtbx.command_line.geometry_minimization
mon_lib_srv = server.server()
ener_lib = server.ener_lib()
defpars = mmtbx.command_line.geometry_minimization.master_params().extract()
defpars.pdb_interpretation.automatic_linking.link_carbohydrates=False
defpars.pdb_interpretation.c_beta_restraints=False
defpars.pdb_interpretation.clash_guard.nonbonded_distance_threshold=None
processed_pdb_file = pdb_interpretation.process(
mon_lib_srv = mon_lib_srv,
ener_lib = ener_lib,
pdb_inp = pdb_structure,
crystal_symmetry = cs,
params = defpars.pdb_interpretation,
force_symmetry = True)
pdb_hierarchy = processed_pdb_file.all_chain_proxies.pdb_hierarchy
geometry = processed_pdb_file.geometry_restraints_manager()
geometry.pair_proxies(processed_pdb_file.xray_structure().sites_cart())
pdb_hierarchy.atoms().reset_i_seq()
if len(pdb_hierarchy.models()) != 1 :
raise Sorry("Multiple models not supported.")
ss_from_file = None
if hasattr(pdb_structure, "extract_secondary_structure"):
ss_from_file = pdb_structure.extract_secondary_structure()
m = manager(pdb_hierarchy=pdb_hierarchy,
geometry_restraints_manager=geometry,
sec_str_from_pdb_file=ss_from_file,
params=work_params.secondary_structure,
verbose=work_params.verbose)
# bp_p = nucleic_acids.get_basepair_plane_proxies(
# pdb_hierarchy,
# m.params.secondary_structure.nucleic_acid.base_pair,
# geometry)
# st_p = nucleic_acids.get_stacking_proxies(
# pdb_hierarchy,
# m.params.secondary_structure.nucleic_acid.stacking_pair,
# geometry)
# hb_b, hb_a = nucleic_acids.get_basepair_hbond_proxies(pdb_hierarchy,
# m.params.secondary_structure.nucleic_acid.base_pair)
result_out = cStringIO.StringIO()
# prefix_scope="refinement.pdb_interpretation"
# prefix_scope=""
prefix_scope=""
if work_params.format == "phenix_refine":
prefix_scope = "refinement.pdb_interpretation"
elif work_params.format == "phenix":
prefix_scope = "pdb_interpretation"
ss_phil = None
working_phil = m.as_phil_str(master_phil=sec_str_master_phil)
phil_diff = sec_str_master_phil.fetch_diff(source=working_phil)
if work_params.format in ["phenix", "phenix_refine"]:
comment = "\n".join([
"# These parameters are suitable for use in e.g. phenix.real_space_refine",
"# or geometry_minimization. To use them in phenix.refine add ",
"# 'refinement.' if front of pdb_interpretation."])
if work_params.format == "phenix_refine":
comment = "\n".join([
"# These parameters are suitable for use in phenix.refine only.",
"# To use them in other Phenix tools remove ",
"# 'refinement.' if front of pdb_interpretation."])
print >> result_out, comment
if (prefix_scope != "") :
print >> result_out, "%s {" % prefix_scope
if work_params.show_all_params :
working_phil.show(prefix=" ", out=result_out)
else :
phil_diff.show(prefix=" ", out=result_out)
if (prefix_scope != "") :
print >> result_out, "}"
elif work_params.format == "pdb":
print >> result_out, m.actual_sec_str.as_pdb_str()
elif work_params.format == "phenix_bonds" :
raise Sorry("Not yet implemented.")
elif work_params.format in ["pymol", "refmac", "kinemage"] :
m.show_summary(log=out)
(hb_proxies, hb_angle_proxies, planarity_proxies,
parallelity_proxies) = m.create_all_new_restraints(
pdb_hierarchy=pdb_hierarchy,
grm=geometry,
log=out)
if hb_proxies.size() > 0:
if work_params.format == "pymol" :
bonds_in_format = hb_proxies.as_pymol_dashes(
pdb_hierarchy=pdb_hierarchy)
elif work_params.format == "kinemage" :
bonds_in_format = hb_proxies.as_kinemage(
pdb_hierarchy=pdb_hierarchy)
else :
bonds_in_format = hb_proxies.as_refmac_restraints(
pdb_hierarchy=pdb_hierarchy)
print >> result_out, bonds_in_format
result = result_out.getvalue()
filename = "%s_ss.eff" %os.path.basename(work_params.file_name[0])
outf = open(filename, "w")
outf.write(result)
outf.close()
print >> out, result
return os.path.abspath(filename)
def __init__(self,
pdb_file,
q_array=None,
rho=0.334,
drho=0.03,
max_L=15,
max_i=13,
implicit_hydrogens=True):
if (q_array is not None):
q_values = q_array
else:
q_values = flex.double(range(51)) / 100.0
# read in pdb file
pdbi = pdb.hierarchy.input(file_name=pdb_file)
atoms = pdbi.hierarchy.atoms()
# predefine some arrays we will need
atom_types = flex.std_string()
dummy_atom_types = flex.std_string()
radius = flex.double()
b_values = flex.double()
occs = flex.double()
xyz = flex.vec3_double()
# keep track of the atom types we have encountered
dummy_at_collection = []
for atom in atoms:
b_values.append(atom.b)
occs.append(atom.occ)
xyz.append(atom.xyz)
self.natom = xyz.size()
dummy_ats = sas_library.read_dummy_type(file_name=pdb_file)
for at in dummy_ats:
if at not in dummy_at_collection:
dummy_at_collection.append(at)
# Hydrogen controls whether H is treated explicitly or implicitly
#Hydrogen = True
Hydrogen = not implicit_hydrogens
radius_dict = {}
ener_lib = server.ener_lib()
for dummy in dummy_at_collection:
if (Hydrogen):
radius_dict[dummy] = ener_lib.lib_atom[dummy].vdw_radius
else:
radius_dict[dummy] = ener_lib.lib_atom[dummy].vdwh_radius
if (radius_dict[dummy] is None):
radius_dict[dummy] = ener_lib.lib_atom[dummy].vdw_radius
if (radius_dict[dummy] is None):
print "********************* WARNING WARNING *************************"
print "Did not find atom type: ", dummy, "default value 1.58 A was used"
print "****************************************************************"
radius_dict[dummy] = 1.58
for at in dummy_ats:
dummy_atom_types.append(at)
radius.append(radius_dict[at])
Scaling_factors = sas_library.load_scaling_factor()
#------------------
#
B_factor_on = False
f_step = 0.8
q_step = 0.01
solvent_radius_scale = 0.91
protein_radius_scale = 1.2
delta = 3.0
#------------------
scat_lib_dummy = sas_library.build_scattering_library(
dummy_at_collection, q_values, radius_dict, solvent_radius_scale,
Hydrogen, Scaling_factors)
model = intensity.model(xyz, radius * protein_radius_scale, b_values,
occs, dummy_ats, scat_lib_dummy, B_factor_on)
max_z_eps = 0.02
max_z = model.get_max_radius() * (q_values[-1] + max_z_eps)
self.engine = intensity.she_engine(model, scat_lib_dummy, max_i, max_L,
f_step, q_step, max_z, delta, rho,
drho)
self.engine.update_solvent_params(rho, drho)
def add_species(self,pdb_input=None,n_copies=1,form_factor_table='WK1995'):
if (n_copies <= 0):
raise Sorry('n_copies has to be greater than or equal to 1')
# construct entry
s = species()
s.n_copies = n_copies
s.pdb_input = pdb_input
# find center and radius of sphere enclosing molecule
atoms = s.pdb_input.atoms()
x = flex.double(len(atoms))
y = flex.double(len(atoms))
z = flex.double(len(atoms))
for i in xrange(len(atoms)):
x[i] = atoms[i].xyz[0]
y[i] = atoms[i].xyz[1]
z[i] = atoms[i].xyz[2]
x_stats = basic_statistics(x)
y_stats = basic_statistics(y)
z_stats = basic_statistics(z)
r = flex.double( ( (x_stats.max - x_stats.min)/2.0,
(y_stats.max - y_stats.min)/2.0,
(z_stats.max - z_stats.min)/2.0 ) )
center = (x_stats.mean,y_stats.mean,z_stats.mean)
s.radius = r.norm()
# center model at origin
center = flex.double(center)
s.xyz = flex.vec3_double(len(atoms))
for i in xrange(len(atoms)):
s.xyz[i] = tuple(flex.double(atoms[i].xyz) - center)
# determine scattering types
mon_lib_srv = server.server()
ener_lib = server.ener_lib()
interpreted_pdb = pdb_interpretation.process\
(mon_lib_srv=mon_lib_srv,ener_lib=ener_lib,
pdb_inp=s.pdb_input)
s.scattering_types = interpreted_pdb.all_chain_proxies.\
scattering_type_registry.symbols
s.scattering_type_registry = scattering_type_registry()
for f in s.scattering_types:
s.scattering_type_registry.process(f)
s.scattering_type_registry.assign_from_table(form_factor_table)
s.n_electrons = s.scattering_type_registry.\
sum_of_scattering_factors_at_diffraction_angle_0()
# apply solvent model
if (self.use_solvent):
sm = solvent_model()
sm.interpreted_pdb = interpreted_pdb
sm.xyz = s.xyz
sm.fudge_factor = 0.6
s.scattering_type_registry = sm.add_bulk_solvent(s.scattering_type_registry)
s.scattering_types = sm.scattering_types
sm.boundary_layer_scale = 0.6
s.boundary_layer_scaling_factors = sm.add_boundary_layer_solvent\
(s.scattering_type_registry)
else:
s.boundary_layer_scaling_factors = flex.double(len(s.xyz),0.0)
# finalize entry
self.species.append(s)
def run(args):
master_phil = get_master_phil()
import iotbx.utils
input_objects = iotbx.utils.process_command_line_inputs(
args=args,
master_phil=master_phil,
input_types=("pdb",))
work_phil = master_phil.fetch(sources=input_objects["phil"])
work_params = work_phil.extract()
file_name = work_params.mp_geo.pdb
out_file = None
if work_params.mp_geo.out_file != None:
out_file = work_params.mp_geo.out_file
do_bonds_and_angles = work_params.mp_geo.bonds_and_angles
do_kinemage = work_params.mp_geo.kinemage
do_rna_backbone = work_params.mp_geo.rna_backbone
outliers_only = work_params.mp_geo.outliers_only
use_cdl = work_params.mp_geo.cdl
log = StringIO()
basename = os.path.basename(file_name)
if do_bonds_and_angles:
out = file(out_file, 'w')
elif do_kinemage:
out = file(out_file, 'a')
elif do_rna_backbone:
if out_file == None:
import sys
out = sys.stdout
else:
out = file(out_file, 'w')
restraints_loading_flags = {}
restraints_loading_flags["use_neutron_distances"]=False
from mmtbx.validation import utils
params = pdb_interpretation.master_params.extract()
params.restraints_library.cdl = use_cdl
params.clash_guard.nonbonded_distance_threshold = None
processed_pdb_file = pdb_interpretation.process(
params = params,
mon_lib_srv = server.server(),
ener_lib = server.ener_lib(),
file_name = file_name,
strict_conflict_handling = True,
restraints_loading_flags = restraints_loading_flags,
force_symmetry = True,
substitute_non_crystallographic_unit_cell_if_necessary=True,
log = log)
grm = processed_pdb_file.geometry_restraints_manager()
use_segids = utils.use_segids_in_place_of_chainids(
hierarchy=processed_pdb_file.all_chain_proxies.pdb_hierarchy)
if do_bonds_and_angles or do_kinemage:
rc = get_bond_and_angle_outliers(
pdb_hierarchy=processed_pdb_file.all_chain_proxies.pdb_hierarchy,
xray_structure=processed_pdb_file.xray_structure(),
geometry_restraints_manager=grm,
use_segids=use_segids,
outliers_only=outliers_only)
#get chain types
chain_types = {}
for chain in processed_pdb_file.all_chain_proxies.\
pdb_hierarchy.models()[0].chains() :
if use_segids:
chain_id = utils.get_segid_as_chainid(chain=chain)
else:
chain_id = chain.id
main_conf = chain.conformers()[0]
if chain_types.get(chain_id) not in ["NA", "PROTEIN"]:
if (main_conf.is_na()) :
chain_types[chain_id] = "NA"
elif (main_conf.is_protein()):
chain_types[chain_id] = "PROTEIN"
else:
chain_types[chain_id] = "UNK"
outliers = []
#bonds
for result in rc.bonds.results:
atom_info = result.atoms_info[0]
# label:chain:number:ins:alt:type:measure:value:sigmas:class
atoms_str = get_atoms_str(atoms_info=result.atoms_info)
altloc = get_altloc(atoms_info=result.atoms_info)
chain_id = atom_info.chain_id
outliers.append( [chain_id,
atom_info.resseq,
atom_info.icode,
altloc,
atom_info.resname,
atoms_str,
result.model,
result.score,
chain_types[atom_info.chain_id]] )
#angles
for result in rc.angles.results:
atom_info = result.atoms_info[0]
# label:chain:number:ins:alt:type:measure:value:sigmas:class
atoms_str = get_atoms_str(atoms_info=result.atoms_info)
altloc = get_altloc(atoms_info=result.atoms_info)
chain_id = atom_info.chain_id
outliers.append( [chain_id,
atom_info.resseq,
atom_info.icode,
altloc,
atom_info.resname,
atoms_str,
result.model,
result.score,
chain_types[atom_info.chain_id]] )
if do_bonds_and_angles:
for outlier in outliers:
print >> out, "%s:%2s:%s:%s:%s:%s:%s:%.3f:%.3f:%s" % (
basename, outlier[0], outlier[1], outlier[2], outlier[3],
outlier[4], outlier[5], outlier[6], outlier[7], outlier[8])
elif do_kinemage:
print >> out, rc.bonds.kinemage_header
for result in rc.bonds.results:
print >> out, result.as_kinemage()
print >> out, rc.angles.kinemage_header
for result in rc.angles.results:
print >> out, result.as_kinemage()
out.close()
elif do_rna_backbone:
from mmtbx.validation import utils
rna_bb = utils.get_rna_backbone_dihedrals(processed_pdb_file)
print >> out, rna_bb
if out_file is not None:
out.close()
def exercise():
verbose = "--verbose" in sys.argv[1:]
quick = "--quick" in sys.argv[1:]
list_cif = server.mon_lib_list_cif()
srv = server.server(list_cif=list_cif)
print "srv.root_path:", srv.root_path
default_switch = "--default_off" not in sys.argv[1:]
if (False or default_switch):
monomers_with_commas = {}
atom_id_counts = dicts.with_default_value(0)
for row_id in list_cif.cif["comp_list"]["_chem_comp.id"]:
if (quick and random.random() < 0.95): continue
if (verbose): print "id:", row_id
comp_comp_id = srv.get_comp_comp_id_direct(comp_id=row_id)
if (comp_comp_id is None):
print "Error instantiating comp_comp_id(%s)" % row_id
else:
has_primes = False
has_commas = False
for atom in comp_comp_id.atom_list:
atom_id_counts[atom.atom_id] += 1
if (atom.atom_id.find("'") >= 0):
has_primes = True
if (atom.atom_id.find(",") >= 0):
has_commas = True
if (has_commas):
monomers_with_commas[comp_comp_id.chem_comp.id] = has_primes
print monomers_with_commas
atom_ids = flex.std_string(atom_id_counts.keys())
counts = flex.size_t(atom_id_counts.values())
perm = flex.sort_permutation(data=counts, reverse=True)
atom_ids = atom_ids.select(perm)
counts = counts.select(perm)
for atom_id,count in zip(atom_ids, counts):
print atom_id, count
if (False or default_switch):
for row in list_cif.cif["comp_list"]["_chem_comp"].iterrows():
if (quick and random.random() < 0.95): continue
if (verbose): print "id:", row["_chem_comp.id"]
comp_comp_id = srv.get_comp_comp_id_direct(comp_id=row["_chem_comp.id"])
check_chem_comp(cif_types.chem_comp(**row), comp_comp_id)
if ("--pickle" in sys.argv[1:]):
easy_pickle.dump("mon_lib.pickle", srv)
if (False or default_switch):
comp = srv.get_comp_comp_id_direct("GLY")
comp.show()
mod = srv.mod_mod_id_dict["COO"]
comp.apply_mod(mod).show()
if (False or default_switch):
comp = srv.get_comp_comp_id_direct("LYS")
comp.show()
mod = srv.mod_mod_id_dict["B2C"]
comp.apply_mod(mod).show()
if (False or default_switch):
for row in list_cif.cif["comp_list"]["_chem_comp"].iterrows():
if (quick and random.random() < 0.95): continue
comp_comp_id = srv.get_comp_comp_id_direct(row["_chem_comp.id"])
if (comp_comp_id is not None):
if (comp_comp_id.classification == "peptide"):
print comp_comp_id.chem_comp.id, comp_comp_id.chem_comp.name,
print row["_chem_comp.group"],
grp = row["_chem_comp.group"].lower().strip()
if (grp not in ("l-peptide", "d-peptide", "polymer")):
print "LOOK",
#if (not os.path.isdir("look")): os.makedirs("look")
#open("look/%s.cif" % row["_chem_comp.id"], "w").write(
#open(comp_comp_id.file_name).read())
print
elif (row["_chem_comp.group"].lower().find("peptide") >= 0
or comp_comp_id.chem_comp.group.lower().find("peptide") >= 0):
print comp_comp_id.chem_comp.id, comp_comp_id.chem_comp.name,
print row["_chem_comp.group"], "MISMATCH"
if (comp_comp_id.classification in ("RNA", "DNA")):
print comp_comp_id.chem_comp.id, comp_comp_id.chem_comp.name,
print row["_chem_comp.group"],
if (comp_comp_id.classification != row["_chem_comp.group"].strip()):
print comp_comp_id.classification, "MISMATCH",
print
elif (row["_chem_comp.group"].lower().find("NA") >= 0
or comp_comp_id.chem_comp.group.lower().find("NA") >= 0):
print comp_comp_id.chem_comp.id, comp_comp_id.chem_comp.name,
print row["_chem_comp.group"], "MISMATCH"
if (False or default_switch):
for row in list_cif.cif["comp_list"]["_chem_comp"].iterrows():
if (quick and random.random() < 0.95): continue
comp_comp_id = srv.get_comp_comp_id_direct(row["_chem_comp.id"])
if (comp_comp_id is not None):
planes = comp_comp_id.get_planes()
for plane in planes:
dist_esd_dict = {}
for plane_atom in plane.plane_atoms:
dist_esd_dict[str(plane_atom.dist_esd)] = 0
if (len(dist_esd_dict) != 1 or dist_esd_dict.keys()[0] != "0.02"):
print comp_comp_id.chem_comp.id, plane.plane_id,
print dist_esd_dict.keys()
if (False or default_switch):
standard_amino_acids = [
"GLY", "VAL", "ALA", "LEU", "ILE", "PRO", "MET", "PHE", "TRP", "SER",
"THR", "TYR", "CYS", "ASN", "GLN", "ASP", "GLU", "LYS", "ARG", "HIS"]
for row in list_cif.cif["comp_list"]["_chem_comp"].iterrows():
is_standard_aa = row["_chem_comp.id"] in standard_amino_acids
if (1 and not is_standard_aa):
continue
comp_comp_id = srv.get_comp_comp_id_direct(row["_chem_comp.id"])
if (is_standard_aa):
assert comp_comp_id is not None
assert comp_comp_id.chem_comp.group.strip() == "L-peptide"
if (comp_comp_id is not None):
print comp_comp_id.chem_comp.id.strip(),
print comp_comp_id.chem_comp.name.strip(),
print comp_comp_id.chem_comp.group.strip()
for tor in comp_comp_id.tor_list:
print " tor:", tor.atom_id_1, tor.atom_id_2,
print tor.atom_id_3, tor.atom_id_4, tor.value_angle,
print tor.value_angle_esd, tor.period
for chir in comp_comp_id.chir_list:
print " chir:", chir.atom_id_centre, chir.atom_id_1,
print chir.atom_id_2, chir.atom_id_3, chir.volume_sign
if (False or default_switch):
elib = server.ener_lib()
if (False or default_switch):
for syn in elib.lib_synonym.items():
print syn
if (False or default_switch):
for vdw in elib.lib_vdw:
vdw.show()
print "OK"
def run(args):
"""
I suggest adding here:
cctbx_project/mmtbx/validation/regression/tst_mp_geo.py
test cases with just .pdb, without arguments, etc.
"""
master_phil = get_master_phil()
import iotbx.phil
input_objects = iotbx.phil.process_command_line_with_files(
args=args, master_phil=master_phil, pdb_file_def="mp_geo.pdb")
work_params = input_objects.work.extract()
assert len(work_params.mp_geo.pdb) == 1, "Need a model file to run"
file_name = work_params.mp_geo.pdb[0]
out_file = None
if work_params.mp_geo.out_file != None:
out_file = work_params.mp_geo.out_file
do_bonds_and_angles = work_params.mp_geo.bonds_and_angles
do_kinemage = work_params.mp_geo.kinemage
do_rna_backbone = work_params.mp_geo.rna_backbone
outliers_only = work_params.mp_geo.outliers_only
use_cdl = work_params.mp_geo.cdl
log = StringIO()
basename = os.path.basename(file_name)
if out_file == None:
import sys
out = sys.stdout
else:
if do_bonds_and_angles:
out = file(out_file, 'w')
elif do_kinemage:
out = file(out_file, 'a')
elif do_rna_backbone:
out = file(out_file, 'w')
restraints_loading_flags = {}
restraints_loading_flags["use_neutron_distances"] = False
from mmtbx.validation import utils
params = pdb_interpretation.master_params.extract()
params.restraints_library.cdl = use_cdl
params.clash_guard.nonbonded_distance_threshold = None
processed_pdb_file = pdb_interpretation.process(
params=params,
mon_lib_srv=server.server(),
ener_lib=server.ener_lib(),
file_name=file_name,
strict_conflict_handling=True,
restraints_loading_flags=restraints_loading_flags,
force_symmetry=True,
substitute_non_crystallographic_unit_cell_if_necessary=True,
log=log)
grm = processed_pdb_file.geometry_restraints_manager()
use_segids = utils.use_segids_in_place_of_chainids(
hierarchy=processed_pdb_file.all_chain_proxies.pdb_hierarchy)
if do_bonds_and_angles or do_kinemage:
rc = get_bond_and_angle_outliers(
pdb_hierarchy=processed_pdb_file.all_chain_proxies.pdb_hierarchy,
xray_structure=processed_pdb_file.xray_structure(),
geometry_restraints_manager=grm,
use_segids=use_segids,
outliers_only=outliers_only)
#get chain types
chain_types = {}
for chain in processed_pdb_file.all_chain_proxies.\
pdb_hierarchy.models()[0].chains():
if use_segids:
chain_id = utils.get_segid_as_chainid(chain=chain)
else:
chain_id = chain.id
main_conf = chain.conformers()[0]
if chain_types.get(chain_id) not in ["NA", "PROTEIN"]:
if (main_conf.is_na()):
chain_types[chain_id] = "NA"
elif (main_conf.is_protein()):
chain_types[chain_id] = "PROTEIN"
else:
chain_types[chain_id] = "UNK"
outliers = []
#bonds
#for result in rc.bonds.results:
for result in sorted(
rc.bonds.results,
key=lambda x:
(x.atoms_info[0].resseq, get_altloc(atoms_info=x.atoms_info),
get_atoms_str(atoms_info=x.atoms_info))):
atom_info = result.atoms_info[0]
# label:chain:number:ins:alt:type:measure:value:sigmas:class
atoms_str = get_atoms_str(atoms_info=result.atoms_info)
altloc = get_altloc(atoms_info=result.atoms_info)
chain_id = atom_info.chain_id
outliers.append([
chain_id, atom_info.resseq, atom_info.icode, altloc,
atom_info.resname, atoms_str, result.model, result.score,
chain_types[atom_info.chain_id]
])
#angles
#for result in rc.angles.results:
for result in sorted(
rc.angles.results,
key=lambda x:
(x.atoms_info[0].resseq, get_altloc(atoms_info=x.atoms_info),
get_atoms_str(atoms_info=x.atoms_info))):
atom_info = result.atoms_info[0]
# label:chain:number:ins:alt:type:measure:value:sigmas:class
atoms_str = get_atoms_str(atoms_info=result.atoms_info)
altloc = get_altloc(atoms_info=result.atoms_info)
chain_id = atom_info.chain_id
outliers.append([
chain_id, atom_info.resseq, atom_info.icode, altloc,
atom_info.resname, atoms_str, result.model, result.score,
chain_types[atom_info.chain_id]
])
if do_bonds_and_angles:
for outlier in outliers:
print >> out, "%s:%2s:%s:%s:%s:%s:%s:%.3f:%.3f:%s" % (
basename, outlier[0], outlier[1], outlier[2], outlier[3],
outlier[4], outlier[5], outlier[6], outlier[7], outlier[8])
elif do_kinemage:
print >> out, rc.bonds.kinemage_header
for result in rc.bonds.results:
print >> out, result.as_kinemage()
print >> out, rc.angles.kinemage_header
for result in rc.angles.results:
print >> out, result.as_kinemage()
out.close()
elif do_rna_backbone:
from mmtbx.validation import utils
rna_bb = utils.get_rna_backbone_dihedrals(processed_pdb_file)
print >> out, rna_bb
if out_file is not None:
out.close()
def run(args, command_name=libtbx.env.dispatcher_name):
if (len(args) == 0): args = ["--help"]
command_line = (option_parser(
usage='%s pdb_file "atom_selection" [...]' % command_name).option(
None,
"--write_pdb_file",
action="store",
type="string",
default=None,
help="write selected atoms to new PDB file",
metavar="FILE"
).option(
None,
"--cryst1_replacement_buffer_layer",
action="store",
type="float",
default=None,
help="replace CRYST1 with pseudo unit cell covering the selected"
" atoms plus a surrounding buffer layer",
metavar="WIDTH")).process(args=args, min_nargs=2)
co = command_line.options
mon_lib_srv = server.server()
ener_lib = server.ener_lib()
processed_pdb_file = pdb_interpretation.process(
mon_lib_srv=mon_lib_srv,
ener_lib=ener_lib,
file_name=command_line.args[0],
log=sys.stdout)
print
acp = processed_pdb_file.all_chain_proxies
hierarchy = acp.pdb_hierarchy
asc = hierarchy.atom_selection_cache()
sel = asc.selection(string="chain 'A' and resid 1 through 8 and icode ' '")
h1 = hierarchy.select(sel) # keep original hierarchy too
print h1.as_pdb_string()
selection_cache = acp.pdb_hierarchy.atom_selection_cache()
atoms = acp.pdb_atoms
all_bsel = flex.bool(atoms.size(), False)
for selection_string in command_line.args[1:]:
print selection_string
isel = acp.iselection(string=selection_string, cache=selection_cache)
all_bsel.set_selected(isel, True)
if (not co.write_pdb_file):
print " %d atom%s selected" % plural_s(isel.size())
for atom in atoms.select(isel):
print " %s" % atom.format_atom_record()
print
if (co.write_pdb_file):
print "Writing file:", show_string(co.write_pdb_file)
sel_hierarchy = acp.pdb_hierarchy.select(all_bsel)
if (co.cryst1_replacement_buffer_layer is None):
crystal_symmetry = acp.special_position_settings
else:
import cctbx.crystal
crystal_symmetry = cctbx.crystal.non_crystallographic_symmetry(
sites_cart=sel_hierarchy.atoms().extract_xyz(),
buffer_layer=co.cryst1_replacement_buffer_layer)
write_whole_pdb_file(file_name=co.write_pdb_file,
processed_pdb_file=processed_pdb_file,
pdb_hierarchy=sel_hierarchy,
crystal_symmetry=crystal_symmetry)
print
params.peptide_link.ramachandran_restraints = True
processed_pdb_file = pdb_interpretation.process(
mon_lib_srv=mon_lib_srv,
ener_lib=ener_lib,
params=params,
raw_records=pdb_str.split("\n"),
log=StringIO())
grm = processed_pdb_file.geometry_restraints_manager()
nprox = grm.ramachandran_manager.get_n_proxies()
assert nprox == correct_nprox, ""+\
"Want to get %d rama proxies, got %d" % (correct_nprox, nprox)
if __name__ == "__main__" :
import time
mon_lib_srv = server.server()
ener_lib = server.ener_lib()
t0 = time.time()
exercise_basic()
t1 = time.time()
exercise_lbfgs_simple(mon_lib_srv, ener_lib,
("--verbose" in sys.argv) or ("-v" in sys.argv))
t2 = time.time()
if ("--full" in sys.argv):
exercise_lbfgs_big(mon_lib_srv, ener_lib,
("--verbose" in sys.argv) or ("-v" in sys.argv))
t3 = time.time()
exercise_geo_output(mon_lib_srv, ener_lib)
t4 = time.time()
#
# XXX FIXME!!! Ramachandran selections does not work properly with insertion
def run(args):
global f
f = os.path.join(os.path.split(sys.path[0])[0],"she.txt")
with open(f,"w") as tempf:
tempf.truncate()
#check if we have experimental data
t1=time.time()
exp_data = None
q_values = None
var = None
with open(f,"a") as tempf:
params = get_input( args, master_params, "sas_I", banner, print_help,tempf)
if (params is None):
exit()
if params.sas_I.experimental_data is not None:
exp_data = saxs_read_write.read_standard_ascii_qis(params.sas_I.experimental_data)
#exp_data.s = flex.sqrt( exp_data.i )
if params.sas_I.data_reduct:
qmax = exp_data.q[-1]
bandwidth = 0.5/(params.sas_I.n_step-1.0)
exp_data=reduce_raw_data( exp_data, qmax, bandwidth,outfile=f )
q_values = exp_data.q
var = flex.pow(exp_data.s,2.0)
if q_values is None:
q_values = params.sas_I.q_start + \
(params.sas_I.q_stop-params.sas_I.q_start
)*flex.double( range(params.sas_I.n_step) )/(
params.sas_I.n_step-1)
# read in pdb file
pdbi = pdb.hierarchy.input(file_name=params.sas_I.structure)
#atoms = pdbi.hierarchy.atoms()
atoms = pdbi.hierarchy.models()[0].atoms()
# predefine some arrays we will need
dummy_atom_types = flex.std_string()
radius= flex.double()
b_values = flex.double()
occs = flex.double()
xyz = flex.vec3_double()
# keep track of the atom types we have encountered
dummy_at_collection = []
for atom in atoms:
#if(not atom.hetero): #### temporarily added
b_values.append( atom.b )
occs.append( atom.occ )
xyz.append( atom.xyz )
# Hydrogen controls whether H is treated explicitly or implicitly
Hydrogen = not params.sas_I.internals.implicit_hydrogens
### Using Zernike Expansion to Calculate Intensity ###
if(params.sas_I.method == 'zernike'):
znk_nmax=params.sas_I.znk_nmax
absolute_Io = znk_model.calc_abs_Io( atoms, Hydrogen)
if( absolute_Io == 0.0): ## in case pdb hierarchy parse did not work out correctly
absolute_Io = sas_library.calc_abs_Io_from_pdb( params.sas_I.structure, Hydrogen )
if(Hydrogen):
density = znk_model.get_density( atoms ) ## Get number of electrons as density
else:
density = znk_model.get_density( atoms ) + 1 ## add one H-atom to each heavy atom as a correction
znk_engine = znk_model.xyz2znk(xyz,absolute_Io,znk_nmax, density=density)
calc_i, calc_i_vac, calc_i_sol, calc_i_layer=znk_engine.calc_intensity(q_values)
if(params.sas_I.experimental_data is not None):
if params.sas_I.internals.solvent_scale:
znk_engine.optimize_solvent(exp_data)
calc_i = znk_engine.best_i_calc
else: #quick scaling
scale, offset = linear_fit( calc_i, exp_data.i, exp_data.s )
calc_i = calc_i*scale + offset
CHI2 = flex.mean(flex.pow((calc_i-exp_data.i)/exp_data.s,2.0))
CHI=math.sqrt(CHI2)
with open(f,"a") as log:
print >>log, "fitting to experimental curve, chi = %5.4e"%CHI
print "fitting to experimental curve, chi = %5.4e"%CHI
write_debye_data(q_values, calc_i, params.sas_I.output+".fit")
write_json(params.sas_I.output+"data.json", q_values, calc_i, y2=exp_data.i)
else: ## scaled to the absolute I(0)
write_she_data(q_values, calc_i, calc_i_vac, calc_i_layer, calc_i_sol, params.sas_I.output)
write_json(params.sas_I.output+"data.json", q_values, calc_i)
with open(f,"a") as log:
print >>log, znk_engine.summary()
print >>log, "Done! total time used: %5.4e (seconds)"%(time.time()-t1)
print znk_engine.summary()
print "Done! total time used: %5.4e (seconds)"%(time.time()-t1)
return
### End of Zernike Model ###
dummy_ats= sas_library.read_dummy_type(file_name=params.sas_I.structure)
for at in dummy_ats:
if at not in dummy_at_collection:
dummy_at_collection.append( at )
radius_dict={}
ener_lib=server.ener_lib()
for dummy in dummy_at_collection:
if(Hydrogen):
radius_dict[dummy]=ener_lib.lib_atom[dummy].vdw_radius
else:
if ener_lib.lib_atom[dummy].vdwh_radius is not None:
radius_dict[dummy]=ener_lib.lib_atom[dummy].vdwh_radius
else:
radius_dict[dummy]=ener_lib.lib_atom[dummy].vdw_radius
if(radius_dict[dummy] is None):
with open(f,"a") as log:
print >> log, "****************** WARNING WARNING *******************"
print >> log, "Did not find atom type: ", dummy, "default value 1.58 A was used"
print >> log, "*******************************************************"
print "****************** WARNING WARNING *******************"
print "Did not find atom type: ", dummy, "default value 1.58 A was used"
print "*******************************************************"
radius_dict[dummy]=1.58
for at in dummy_ats:
dummy_atom_types.append( at)
radius.append(radius_dict[at])
Scaling_factors=sas_library.load_scaling_factor()
#------------------
#
B_factor_on=params.sas_I.internals.use_adp
max_i = params.sas_I.internals.max_i
max_L = params.sas_I.internals.max_L
f_step= params.sas_I.internals.f_step
q_step= params.sas_I.internals.integration_q_step
solvent_radius_scale=params.sas_I.internals.solvent_radius_scale
protein_radius_scale=params.sas_I.internals.protein_radius_scale
rho=params.sas_I.internals.rho
drho=params.sas_I.internals.drho
delta=params.sas_I.internals.delta
#------------------
scat_lib_dummy = sas_library.build_scattering_library( dummy_at_collection,
q_values,
radius_dict,
solvent_radius_scale,
Hydrogen,
Scaling_factors)
new_indx =flex.int()
new_coord = flex.vec3_double()
model=intensity.model(xyz,
radius*protein_radius_scale,
b_values,
occs,
dummy_ats,
scat_lib_dummy,
B_factor_on)
t2=time.time()
if(params.sas_I.method == 'she'):
max_z_eps=0.02
max_z=model.get_max_radius()*(q_values[-1]+max_z_eps) + max_z_eps
engine = intensity.she_engine( model, scat_lib_dummy,max_i,max_L,f_step, q_step,max_z, delta,rho,drho )
engine.update_solvent_params(rho,drho)
i = engine.I()
a = engine.get_IA()
b = engine.get_IB()
c = engine.get_IC()
attri = engine.Area_Volume()
with open(f,"a") as log:
print >> log, "Inner surface Area of the Envelop is (A^2.0): ", attri[0];
print >> log, "Inner Volume of the Envelop is (A^3.0): ", attri[1];
print >> log, "Volume of the Envelop shell is (A^3.0): ", attri[2];
print "Inner surface Area of the Envelop is (A^2.0): ", attri[0];
print "Inner Volume of the Envelop is (A^3.0): ", attri[1];
print "Volume of the Envelop shell is (A^3.0): ", attri[2];
if params.sas_I.output is not None:
write_she_data( q_values, i,a,b,c, params.sas_I.output )
write_json(params.sas_I.output+"data.json", q_values, i)
if params.sas_I.pdblist is not None:
pdblist=params.sas_I.pdblist
if(os.path.isfile(pdblist)):
list= open(pdblist,'r')
for line in list:
filename=line.split('\n')[0]
pdbi = pdb.hierarchy.input(file_name=filename)
t21 = time.time()
atoms = pdbi.hierarchy.atoms()
new_coord.clear()
new_indx.clear()
i=0
for atom in atoms:
new_coord.append( atom.xyz )
new_indx.append(i)
i=i+1
engine.update_coord(new_coord,new_indx)
i = engine.I()
a = engine.get_IA()
b = engine.get_IB()
c = engine.get_IC()
attri = engine.Area_Volume()
with open(f,"a") as log:
print >> log, "Inner surface Area of the Envelop is (A^2.0): ", attri[0]
print >> log, "Inner Volume of the Envelop is (A^3.0): ", attri[1]
print >> log, "Volume of the Envelop shell is (A^3.0): ", attri[2]
print "Inner surface Area of the Envelop is (A^2.0): ", attri[0]
print "Inner Volume of the Envelop is (A^3.0): ", attri[1]
print "Volume of the Envelop shell is (A^3.0): ", attri[2]
write_she_data( q_values, i,a,b,c, filename+'.int' )
with open(f,"a") as log:
print >> log, '\nfininshed pdb ', filename, 'at: ',time.ctime(t21),'\n'
print '\nfininshed pdb ', filename, 'at: ',time.ctime(t21),'\n'
# attri = engine.Area_Volume2()
# print "Inner surface Area of the Envelop is (A^2.0): ", attri[0];
elif(params.sas_I.method == 'debye'):
engine = intensity.debye_engine (model, scat_lib_dummy)
i = engine.I()
if params.sas_I.output is not None:
write_debye_data(q_values, i, params.sas_I.output)
write_json(params.sas_I.output+"data.json", q_values, i)
if(params.sas_I.experimental_data is not None):
if params.sas_I.internals.solvent_scale:
# more thorough scaling
solvent_optim = solvent_parameter_optimisation(she_object=engine,
observed_data=exp_data )
scale, offset, drho, a = solvent_optim.get_scales()
i = solvent_optim.get_scaled_data()
else:
#quick scaling
scale, offset = linear_fit( i, exp_data.i, exp_data.s )
i = scale*i+offset
with open(f,"a") as log:
print >>log, "Scaled calculated data against experimental data"
print >>log, "Scale factor : %5.4e"%scale
print >>log,"Offset : %5.4e"%offset
print "Scaled calculated data against experimental data"
print "Scale factor : %5.4e"%scale
print "Offset : %5.4e"%offset
if params.sas_I.internals.solvent_scale:
with open(f,"a") as log:
print >> log, " Solvent average R ra : ", a
print >> log, " Solvation Contrast drho: ", drho
print " Solvent average R ra : ", a
print " Solvation Contrast drho: ", drho
print
write_debye_data(q_values, i, params.sas_I.output+".fit")
write_json(params.sas_I.output+"data.json", q_values, i, y2=exp_data.i)
CHI2 = flex.mean(flex.pow((i-exp_data.i)/exp_data.s,2.0))
CHI=math.sqrt(CHI2)
with open(f,"a") as log:
print >>log, "fitting to experimental curve, chi = %5.4e"%CHI
print "fitting to experimental curve, chi = %5.4e"%CHI
t3=time.time()
with open(f,"a") as log:
print >> log, "Done! total time used: %5.4e (seconds)"%(t3-t1)
print >>log, 'start running at: ',time.ctime(t1)
print >>log, 'finished PDB file processing at: ',time.ctime(t2)
print >>log, 'got all desired I(q) at : ',time.ctime(t3)
print "Done! total time used: %5.4e (seconds)"%(t3-t1)
print 'start running at: ',time.ctime(t1)
print 'finished PDB file processing at: ',time.ctime(t2)
print 'got all desired I(q) at : ',time.ctime(t3)
with open(f,"a") as log:
log.write("__END__")
def run(args, command_name=libtbx.env.dispatcher_name):
if (len(args) == 0): args = ["--help"]
command_line = (option_parser(
usage='%s pdb_file "atom_selection" [...]' % command_name)
.option(None, "--write_pdb_file",
action="store",
type="string",
default=None,
help="write selected atoms to new PDB file",
metavar="FILE")
.option(None, "--cryst1_replacement_buffer_layer",
action="store",
type="float",
default=None,
help="replace CRYST1 with pseudo unit cell covering the selected"
" atoms plus a surrounding buffer layer",
metavar="WIDTH")
).process(args=args, min_nargs=2)
co = command_line.options
mon_lib_srv = server.server()
ener_lib = server.ener_lib()
processed_pdb_file = pdb_interpretation.process(
mon_lib_srv=mon_lib_srv,
ener_lib=ener_lib,
file_name=command_line.args[0],
log=sys.stdout)
print
acp = processed_pdb_file.all_chain_proxies
hierarchy=acp.pdb_hierarchy
asc=hierarchy.atom_selection_cache()
sel=asc.selection(string = "chain 'A' and resid 1 through 8 and icode ' '")
h1=hierarchy.select(sel) # keep original hierarchy too
print h1.as_pdb_string()
selection_cache = acp.pdb_hierarchy.atom_selection_cache()
atoms = acp.pdb_atoms
all_bsel = flex.bool(atoms.size(), False)
for selection_string in command_line.args[1:]:
print selection_string
isel = acp.iselection(string=selection_string, cache=selection_cache)
all_bsel.set_selected(isel, True)
if (not co.write_pdb_file):
print " %d atom%s selected" % plural_s(isel.size())
for atom in atoms.select(isel):
print " %s" % atom.format_atom_record()
print
if (co.write_pdb_file):
print "Writing file:", show_string(co.write_pdb_file)
sel_hierarchy = acp.pdb_hierarchy.select(all_bsel)
if (co.cryst1_replacement_buffer_layer is None):
crystal_symmetry = acp.special_position_settings
else:
import cctbx.crystal
crystal_symmetry = cctbx.crystal.non_crystallographic_symmetry(
sites_cart=sel_hierarchy.atoms().extract_xyz(),
buffer_layer=co.cryst1_replacement_buffer_layer)
write_whole_pdb_file(
file_name=co.write_pdb_file,
processed_pdb_file=processed_pdb_file,
pdb_hierarchy=sel_hierarchy,
crystal_symmetry=crystal_symmetry)
print
def exercise():
verbose = "--verbose" in sys.argv[1:]
quick = "--quick" in sys.argv[1:]
list_cif = server.mon_lib_list_cif()
srv = server.server(list_cif=list_cif)
print("srv.root_path:", srv.root_path)
default_switch = "--default_off" not in sys.argv[1:]
if (False or default_switch):
monomers_with_commas = {}
atom_id_counts = dicts.with_default_value(0)
for row_id in list_cif.cif["comp_list"]["_chem_comp.id"]:
if (quick and random.random() < 0.95): continue
if (verbose): print("id:", row_id)
comp_comp_id = srv.get_comp_comp_id_direct(comp_id=row_id)
if (comp_comp_id is None):
print("Could not instantiating comp_comp_id(%s)" % row_id)
else:
has_primes = False
has_commas = False
for atom in comp_comp_id.atom_list:
atom_id_counts[atom.atom_id] += 1
if (atom.atom_id.find("'") >= 0):
has_primes = True
if (atom.atom_id.find(",") >= 0):
has_commas = True
if (has_commas):
monomers_with_commas[
comp_comp_id.chem_comp.id] = has_primes
print(monomers_with_commas)
atom_ids = flex.std_string(list(atom_id_counts.keys()))
counts = flex.size_t(list(atom_id_counts.values()))
perm = flex.sort_permutation(data=counts, reverse=True)
atom_ids = atom_ids.select(perm)
counts = counts.select(perm)
for atom_id, count in zip(atom_ids, counts):
print(atom_id, count)
if (False or default_switch):
for row in list_cif.cif["comp_list"]["_chem_comp"].iterrows():
if (quick and random.random() < 0.95): continue
if (verbose): print("id:", row["_chem_comp.id"])
comp_comp_id = srv.get_comp_comp_id_direct(
comp_id=row["_chem_comp.id"])
check_chem_comp(cif_types.chem_comp(**row), comp_comp_id)
if ("--pickle" in sys.argv[1:]):
easy_pickle.dump("mon_lib.pickle", srv)
if (False or default_switch):
comp = srv.get_comp_comp_id_direct("GLY")
comp.show()
mod = srv.mod_mod_id_dict["COO"]
comp.apply_mod(mod).show()
if (False or default_switch):
comp = srv.get_comp_comp_id_direct("LYS")
comp.show()
mod = srv.mod_mod_id_dict["B2C"]
comp.apply_mod(mod).show()
if (False or default_switch):
for row in list_cif.cif["comp_list"]["_chem_comp"].iterrows():
if (quick and random.random() < 0.95): continue
comp_comp_id = srv.get_comp_comp_id_direct(row["_chem_comp.id"])
if (comp_comp_id is not None):
if (comp_comp_id.classification == "peptide"):
print(comp_comp_id.chem_comp.id,
comp_comp_id.chem_comp.name,
end=' ')
print(row["_chem_comp.group"], end=' ')
grp = row["_chem_comp.group"].lower().strip()
if (grp not in ("l-peptide", "d-peptide", "polymer")):
print("LOOK", end=' ')
#if (not os.path.isdir("look")): os.makedirs("look")
#open("look/%s.cif" % row["_chem_comp.id"], "w").write(
#open(comp_comp_id.file_name).read())
print()
elif (row["_chem_comp.group"].lower().find("peptide") >= 0
or comp_comp_id.chem_comp.group.lower().find("peptide")
>= 0):
print(comp_comp_id.chem_comp.id,
comp_comp_id.chem_comp.name,
end=' ')
print(row["_chem_comp.group"], "MISMATCH")
if (comp_comp_id.classification in ("RNA", "DNA")):
print(comp_comp_id.chem_comp.id,
comp_comp_id.chem_comp.name,
end=' ')
print(row["_chem_comp.group"], end=' ')
if (comp_comp_id.classification !=
row["_chem_comp.group"].strip()):
print(comp_comp_id.classification, "MISMATCH", end=' ')
print()
elif (row["_chem_comp.group"].lower().find("NA") >= 0
or comp_comp_id.chem_comp.group.lower().find("NA") >= 0):
print(comp_comp_id.chem_comp.id,
comp_comp_id.chem_comp.name,
end=' ')
print(row["_chem_comp.group"], "MISMATCH")
if (False or default_switch):
for row in list_cif.cif["comp_list"]["_chem_comp"].iterrows():
if (quick and random.random() < 0.95): continue
comp_comp_id = srv.get_comp_comp_id_direct(row["_chem_comp.id"])
if (comp_comp_id is not None):
planes = comp_comp_id.get_planes()
for plane in planes:
dist_esd_dict = {}
for plane_atom in plane.plane_atoms:
dist_esd_dict[str(plane_atom.dist_esd)] = 0
# FIXME: might break compat for py2/3 because indexing a values call
if (len(dist_esd_dict) != 1
or list(dist_esd_dict.keys())[0] != "0.02"):
print(comp_comp_id.chem_comp.id,
plane.plane_id,
end=' ')
print(list(dist_esd_dict.keys()))
if (False or default_switch):
standard_amino_acids = [
"GLY", "VAL", "ALA", "LEU", "ILE", "PRO", "MET", "PHE", "TRP",
"SER", "THR", "TYR", "CYS", "ASN", "GLN", "ASP", "GLU", "LYS",
"ARG", "HIS"
]
for row in list_cif.cif["comp_list"]["_chem_comp"].iterrows():
is_standard_aa = row["_chem_comp.id"] in standard_amino_acids
if (1 and not is_standard_aa):
continue
comp_comp_id = srv.get_comp_comp_id_direct(row["_chem_comp.id"])
if (is_standard_aa):
assert comp_comp_id is not None
assert comp_comp_id.chem_comp.group.strip() == "L-peptide"
if (comp_comp_id is not None):
print(comp_comp_id.chem_comp.id.strip(), end=' ')
print(comp_comp_id.chem_comp.name.strip(), end=' ')
print(comp_comp_id.chem_comp.group.strip())
for tor in comp_comp_id.tor_list:
print(" tor:", tor.atom_id_1, tor.atom_id_2, end=' ')
print(tor.atom_id_3,
tor.atom_id_4,
tor.value_angle,
end=' ')
print(tor.value_angle_esd, tor.period)
for chir in comp_comp_id.chir_list:
print(" chir:",
chir.atom_id_centre,
chir.atom_id_1,
end=' ')
print(chir.atom_id_2, chir.atom_id_3, chir.volume_sign)
if (False or default_switch):
elib = server.ener_lib()
if (False or default_switch):
for syn in elib.lib_synonym.items():
print(syn)
if (False or default_switch):
for vdw in elib.lib_vdw:
vdw.show()
print("OK")
def exercise_1 () :
pdb_raw = """\
ATOM 1134 N LYS A 82 5.933 36.285 21.572 1.00 70.94 N
ATOM 1135 CA LYS A 82 6.564 37.423 20.931 1.00 76.69 C
ATOM 1136 C LYS A 82 5.553 38.547 20.756 1.00 78.75 C
ATOM 1137 O LYS A 82 5.325 39.038 19.654 1.00 86.47 O
ATOM 1138 CB LYS A 82 7.179 37.024 19.583 1.00 82.32 C
ATOM 1139 CG LYS A 82 8.190 38.035 19.048 0.00 70.34 C
ATOM 1140 CD LYS A 82 9.429 38.129 19.944 0.00 67.69 C
ATOM 1141 CE LYS A 82 9.983 39.545 20.014 0.00 64.44 C
ATOM 1142 NZ LYS A 82 10.933 39.832 18.908 0.00 61.45 N
ATOM 1143 H LYS A 82 5.139 36.115 21.291 1.00 85.12 H
ATOM 1144 HA LYS A 82 7.279 37.749 21.501 1.00 92.03 H
ATOM 1145 HB2 LYS A 82 6.469 36.939 18.928 1.00 98.78 H
ATOM 1146 HB3 LYS A 82 7.636 36.175 19.687 1.00 98.78 H
ATOM 1147 HG2 LYS A 82 8.476 37.762 18.163 0.00 84.41 H
ATOM 1148 HG3 LYS A 82 7.775 38.912 19.011 0.00 84.41 H
ATOM 1149 HD2 LYS A 82 9.193 37.853 20.843 0.00 81.23 H
ATOM 1150 HD3 LYS A 82 10.122 37.551 19.589 0.00 81.23 H
ATOM 1151 HE2 LYS A 82 9.249 40.177 19.952 0.00 77.33 H
ATOM 1152 HE3 LYS A 82 10.453 39.662 20.854 0.00 77.33 H
ATOM 1153 HZ1 LYS A 82 11.237 40.666 18.977 0.00 73.75 H
ATOM 1154 HZ2 LYS A 82 10.523 39.738 18.123 0.00 73.75 H
ATOM 1155 HZ3 LYS A 82 11.621 39.269 18.944 0.00 73.75 H
ATOM 1156 N LYS A 83 4.936 38.927 21.866 1.00 75.79 N
ATOM 1157 CA LYS A 83 4.177 40.172 21.966 1.00 82.80 C
ATOM 1158 C LYS A 83 4.081 40.508 23.460 1.00 86.23 C
ATOM 1159 O LYS A 83 2.978 40.521 24.017 1.00 79.81 O
ATOM 1160 CB LYS A 83 2.790 40.044 21.332 1.00 79.16 C
ATOM 1161 CG LYS A 83 2.038 41.342 21.175 0.00 70.42 C
ATOM 1162 CD LYS A 83 2.072 41.803 19.735 0.00 66.90 C
ATOM 1163 CE LYS A 83 1.295 43.089 19.552 0.00 62.46 C
ATOM 1164 NZ LYS A 83 1.004 43.350 18.118 0.00 60.73 N
ATOM 1165 H LYS A 83 4.940 38.470 22.594 1.00 90.95 H
ATOM 1166 HA LYS A 83 4.658 40.885 21.518 1.00 99.36 H
ATOM 1167 HB2 LYS A 83 2.251 39.459 21.887 1.00 95.00 H
ATOM 1168 HB3 LYS A 83 2.890 39.655 20.449 1.00 95.00 H
ATOM 1169 HG2 LYS A 83 1.113 41.213 21.435 0.00 84.51 H
ATOM 1170 HG3 LYS A 83 2.453 42.024 21.726 0.00 84.51 H
ATOM 1171 HD2 LYS A 83 2.992 41.962 19.471 0.00 80.28 H
ATOM 1172 HD3 LYS A 83 1.672 41.123 19.171 0.00 80.28 H
ATOM 1173 HE2 LYS A 83 0.452 43.024 20.027 0.00 74.95 H
ATOM 1174 HE3 LYS A 83 1.818 43.830 19.896 0.00 74.95 H
ATOM 1175 HZ1 LYS A 83 0.521 42.683 17.780 0.00 72.87 H
ATOM 1176 HZ2 LYS A 83 1.764 43.417 17.661 0.00 72.87 H
ATOM 1177 HZ3 LYS A 83 0.548 44.109 18.034 0.00 72.87 H
ATOM 3630 N ASN A 242 -5.454 -3.027 1.145 0.00 67.69 N
ATOM 3631 CA ASN A 242 -4.759 -2.535 -0.037 0.00 65.44 C
ATOM 3632 C ASN A 242 -5.734 -2.397 -1.208 0.00 63.57 C
ATOM 3633 O ASN A 242 -6.425 -3.357 -1.552 0.00 63.94 O
ATOM 3634 CB ASN A 242 -3.626 -3.503 -0.392 0.00 63.13 C
ATOM 3635 CG ASN A 242 -2.802 -3.044 -1.576 0.00 63.58 C
ATOM 3636 OD1 ASN A 242 -2.524 -1.862 -1.731 0.00 65.52 O
ATOM 3637 ND2 ASN A 242 -2.399 -3.988 -2.416 0.00 62.17 N
ATOM 3638 H ASN A 242 -5.562 -3.880 1.129 0.00 81.22 H
ATOM 3639 HA ASN A 242 -4.375 -1.665 0.151 0.00 78.53 H
ATOM 3640 HB2 ASN A 242 -3.032 -3.587 0.370 0.00 75.76 H
ATOM 3641 HB3 ASN A 242 -4.007 -4.368 -0.611 0.00 75.76 H
ATOM 3642 HD21 ASN A 242 -1.929 -3.779 -3.104 0.00 74.60 H
ATOM 3643 HD22 ASN A 242 -2.609 -4.810 -2.272 0.00 74.60 H
ATOM 2 CA ALYS A 32 10.574 8.177 11.768 0.40 71.49 C
ATOM 3 CB ALYS A 32 9.197 8.686 12.246 0.40 74.71 C
ATOM 2 CA BLYS A 32 10.574 8.177 11.768 0.40 71.49 C
ATOM 3 CB BLYS A 32 9.197 8.686 12.246 0.40 74.71 C
ATOM 5 CA AVAL A 33 11.708 5.617 14.332 0.50 71.42 C
ATOM 6 CB AVAL A 33 11.101 4.227 14.591 0.50 71.47 C
ATOM 5 CA BVAL A 33 11.708 5.617 14.332 0.40 71.42 C
ATOM 6 CB BVAL A 33 11.101 4.227 14.591 0.40 71.47 C
TER
ATOM 1 N GLU X 18 -13.959 12.159 -6.598 1.00260.08 N
ATOM 2 CA GLU X 18 -13.297 13.465 -6.628 1.00269.83 C
ATOM 3 C GLU X 18 -11.946 13.282 -7.309 1.00269.18 C
ATOM 4 CB GLU X 18 -13.128 14.035 -5.210 1.00261.96 C
ATOM 5 CG GLU X 18 -14.455 14.401 -4.522 1.00263.56 C
ATOM 6 CD GLU X 18 -14.291 15.239 -3.242 1.00264.89 C
ATOM 7 OE1 GLU X 18 -14.172 14.646 -2.143 1.00264.24 O
ATOM 8 OE2 GLU X 18 -14.309 16.498 -3.306 1.00264.37 O1-
HETATM 614 S SO4 B 101 14.994 20.601 10.862 0.00 7.02 S
HETATM 615 O1 SO4 B 101 14.234 20.194 12.077 0.00 7.69 O
HETATM 616 O2 SO4 B 101 14.048 21.062 9.850 0.00 9.28 O
HETATM 617 O3 SO4 B 101 15.905 21.686 11.261 0.00 8.01 O
HETATM 618 O4 SO4 B 101 15.772 19.454 10.371 0.00 8.18 O
TER
HETATM 122 O HOH S 1 5.334 8.357 8.032 1.00 0.00 O
HETATM 123 O HOH S 2 5.396 15.243 10.734 1.00202.95 O
HETATM 124 O HOH S 3 -25.334 18.357 18.032 0.00 20.00 O
"""
mon_lib_srv = server.server()
ener_lib = server.ener_lib()
pdb_in = iotbx.pdb.hierarchy.input(pdb_string=pdb_raw)
xrs = pdb_in.input.xray_structure_simple()
processed_pdb_file = pdb_interpretation.process(
mon_lib_srv=mon_lib_srv,
ener_lib=ener_lib,
raw_records=pdb_in.hierarchy.as_pdb_string(crystal_symmetry=xrs),
crystal_symmetry=xrs,
log=null_out())
pdb_in.hierarchy.atoms().reset_i_seq()
mstats = model_properties.model_statistics(
pdb_hierarchy=pdb_in.hierarchy,
xray_structure=xrs,
all_chain_proxies=processed_pdb_file.all_chain_proxies,
ignore_hd=True)
out = StringIO()
mstats.show(out=out)
#print out.getvalue()
assert not show_diff(out.getvalue(), """\
Overall:
Number of atoms = 50 (anisotropic = 0)
B_iso: mean = 96.0 max = 269.8 min = 0.0
Occupancy: mean = 0.47 max = 1.00 min = 0.00
warning: 22 atoms with zero occupancy
67 total B-factor or occupancy problem(s) detected
Atoms or residues with zero occupancy:
LYS A 82 CG occ=0.00
LYS A 82 CD occ=0.00
LYS A 82 CE occ=0.00
LYS A 82 NZ occ=0.00
LYS A 83 CG occ=0.00
LYS A 83 CD occ=0.00
LYS A 83 CE occ=0.00
LYS A 83 NZ occ=0.00
ASN A 242 (all) occ=0.00
SO4 B 101 (all) occ=0.00
HOH S 3 O occ=0.00
Macromolecules:
Number of atoms = 42 (anisotropic = 0)
B_iso: mean = 108.0 max = 269.8 min = 60.7
Occupancy: mean = 0.51 max = 1.00 min = 0.00
warning: 16 atoms with zero occupancy
57 total B-factor or occupancy problem(s) detected
Ligands:
Number of atoms = 5 (anisotropic = 0)
B_iso: mean = 8.0 max = 9.3 min = 7.0
Occupancy: mean = 0.00 max = 0.00 min = 0.00
warning: 5 atoms with zero occupancy
6 total B-factor or occupancy problem(s) detected
Waters:
Number of atoms = 3 (anisotropic = 0)
B_iso: mean = 74.3 max = 202.9 min = 0.0
Occupancy: mean = 0.67 max = 1.00 min = 0.00
warning: 1 atoms with zero occupancy
4 total B-factor or occupancy problem(s) detected
(Hydrogen atoms not included in overall counts.)
""")
assert (len(mstats.all.bad_adps) == 1)
assert (mstats.all.n_zero_b == 1)
mstats2 = loads(dumps(mstats))
out1 = StringIO()
out2 = StringIO()
mstats.show(out=out1)
mstats2.show(out=out2)
assert (out1.getvalue() == out2.getvalue())
# now with ignore_hd=False
mstats3 = model_properties.model_statistics(
pdb_hierarchy=pdb_in.hierarchy,
xray_structure=xrs,
all_chain_proxies=processed_pdb_file.all_chain_proxies,
ignore_hd=False)
out2 = StringIO()
mstats3.show(out=out2)
assert (out2.getvalue() != out.getvalue())
assert (""" LYS A 83 HZ3 occ=0.00""" in out2.getvalue())
outliers = mstats3.all.as_gui_table_data(include_zoom=True)
assert (len(outliers) == 84)
# test with all_chain_proxies undefined
mstats4 = model_properties.model_statistics(
pdb_hierarchy=pdb_in.hierarchy,
xray_structure=xrs,
all_chain_proxies=None,
ignore_hd=False)
outliers = mstats4.all.as_gui_table_data(include_zoom=True)
assert (len(outliers) == 84)