def main():
"""
Function to call if run from command line.
"""
from helper import cmdline
cmdline.initializeParser(__description__, __date__)
cmdline.addOption(short_flag="c",
long_flag="collapse_repeat",
action="store_true",
default=True,
help="Collapse repeated molecule names")
file_list, options = cmdline.parseCommandLine()
out = []
for pdb_file in file_list:
f = open(pdb_file, 'r')
pdb = f.readlines()
f.close()
olig_output = pdbOligomer(pdb, options.collapse_repeat)
pdb_id = pdb_file[:pdb_file.index(".pdb")]
pdb_id = os.path.split(pdb_id)[-1]
out.append("%s\t%s" % (pdb_id, olig_output))
out = ["%i\t%s\n" % (i, l) for i, l in enumerate(out)]
out.insert(0, "\tpdb\tcompounds\tchains\tWYSIWYG\n")
print "".join(out)
def main():
"""
Function to call if this is called from command line.
"""
from helper import cmdline
# Parse command line
cmdline.initializeParser(__description__, __date__)
cmdline.addOption(short_flag="r",
long_flag="renumber-het",
action="store_false",
default=True,
help="include hetatm entries in the renumbering.")
file_list, options = cmdline.parseCommandLine()
for pdb_file in file_list:
# Read in the pdb file
f = open(pdb_file, 'r')
pdb = f.readlines()
f.close()
out = pdbAtomRenumber(pdb, options.renumber_het)
if len(file_list) == 1:
print "".join(out)
else:
out_file = "%s_renum.pdb" % pdb_file[:-4]
g = open(out_file, 'w')
g.writelines(out)
g.close()
def main():
"""
Main function, if called from command line.
"""
from helper import cmdline
# Parse command line
cmdline.initializeParser(__description__,__date__)
cmdline.addOption(short_flag="c",
long_flag="cutoff",
action="store",
default=4,
help="cutoff for disulfide bonds",
nargs=1,
type=float)
file_list, options = cmdline.parseCommandLine()
for pdb_file in file_list:
f = open(pdb_file,'r')
pdb = f.readlines()
f.close()
free_cys, disulfide_bonds = pdbDisulfide(pdb,options.cutoff)
out = ["<<%s>>\nFree Cys: " % pdb_file]
out.extend(["%s, " % c.strip() for c in free_cys])
out.append("\nDisulfide Bonds: ")
out.extend(["%s, " % d.strip() for d in disulfide_bonds])
print "".join(out)
def main():
"""
Function to call if run from command line.
"""
from helper import cmdline
cmdline.initializeParser(__description__, __date__)
cmdline.addOption(short_flag="s",
long_flag="skip_boring",
action="store_true",
default=False,
help="Ignore boring ligands (from BORING_LIGANDS list)")
file_list, options = cmdline.parseCommandLine()
out = []
for pdb_file in file_list:
f = open(pdb_file, 'r')
pdb = f.readlines()
f.close()
pdb_id = pdb_file[:pdb_file.index(".pdb")]
pdb_id = os.path.split(pdb_id)[-1]
ligand_out = pdbLigand(pdb, options.skip_boring)
out.append("%s\t%s" % (pdb_id, ligand_out))
out = ["%i\t%s\n" % (i, l) for i, l in enumerate(out)]
print "".join(out)
def main():
"""
Function to call if run from command line.
"""
from helper import cmdline
cmdline.initializeParser(__description__,__date__)
cmdline.addOption(short_flag="s",
long_flag="skip_boring",
action="store_true",
default=False,
help="Ignore boring ligands (from BORING_LIGANDS list)")
file_list, options = cmdline.parseCommandLine()
out = []
for pdb_file in file_list:
f = open(pdb_file,'r')
pdb = f.readlines()
f.close()
pdb_id = pdb_file[:pdb_file.index(".pdb")]
pdb_id = os.path.split(pdb_id)[-1]
ligand_out = pdbLigand(pdb,options.skip_boring)
out.append("%s\t%s" % (pdb_id,ligand_out))
out = ["%i\t%s\n" % (i,l) for i, l in enumerate(out)]
print "".join(out)
def main():
"""
Function to call if run from command line.
"""
from helper import cmdline
cmdline.initializeParser(__description__,__date__)
cmdline.addOption(short_flag="s",
long_flag="some_option",
action="store",
default=None,
help="Set some option",
nargs=1,
type=int)
file_list, options = cmdline.parseCommandLine()
for pdb_file in file_list:
f = open(pdb_file,'r')
pdb = f.readlines()
f.close()
pdbTemplate(pdb)
def main():
"""
Main function, if called from command line.
"""
from helper import cmdline
# Parse command line
cmdline.initializeParser(__description__, __date__)
cmdline.addOption(short_flag="c",
long_flag="cutoff",
action="store",
default=4,
help="cutoff for disulfide bonds",
nargs=1,
type=float)
file_list, options = cmdline.parseCommandLine()
for pdb_file in file_list:
f = open(pdb_file, 'r')
pdb = f.readlines()
f.close()
free_cys, disulfide_bonds = pdbDisulfide(pdb, options.cutoff)
out = ["<<%s>>\nFree Cys: " % pdb_file]
out.extend(["%s, " % c.strip() for c in free_cys])
out.append("\nDisulfide Bonds: ")
out.extend(["%s, " % d.strip() for d in disulfide_bonds])
print "".join(out)
def main():
"""
Creates directories in output_dir for each pdb file in input_dir and copies
pdb files into respective directories.
"""
from helper import cmdline
cmdline.initializeParser(__description__,__date__)
cmdline.addOption(short_flag="o",
long_flag="output",
action="store",
default=".",
help="output directory",
nargs=1,
type=str)
file_list, options = cmdline.parseCommandLine()
if not os.path.isdir(options.output):
err = "Output directory \"%s\" does not exist!" % options.output
raise cmdline.parser.error(err)
for pdb_file in file_list:
short_pdb = os.path.split(pdb_file)[-1][:-4]
# Create the directory if it does not already exist
dir = os.path.join(options.output,short_pdb)
if not os.path.isdir(dir):
os.mkdir(dir)
# Copy the pdb into its directory
shutil.copy(pdb_file,dir)
def main():
"""
Function to call if run from command line.
"""
from helper import cmdline
cmdline.initializeParser(__description__, __date__)
cmdline.addOption(short_flag="s",
long_flag="some_option",
action="store",
default=None,
help="Set some option",
nargs=1,
type=int)
file_list, options = cmdline.parseCommandLine()
for pdb_file in file_list:
f = open(pdb_file, 'r')
pdb = f.readlines()
f.close()
pdbTemplate(pdb)
def main():
"""
Function to call if run from command line.
"""
from helper import cmdline
cmdline.initializeParser(__description__, __date__)
file_list, options = cmdline.parseCommandLine()
out = []
for pdb_file in file_list:
f = open(pdb_file, 'r')
pdb = f.readlines()
f.close()
exp_data = pdbExperiment(pdb)
pdb_id = pdb_file[:pdb_file.index(".pdb")]
pdb_id = os.path.split(pdb_id)[-1]
out.append("%30s%s" % (pdb_id, exp_data))
out = ["%10i%s\n" % (i, x) for i, x in enumerate(out)]
out.insert(
0, "%10s%30s%48s%40s%5s%10s%10s%10s\n" %
(" ", "pdb", "protein", "organism", "exp", "res", "r_value", "r_free"))
print "".join(out)
def main():
"""
Call if this is called from the command line.
"""
cmdline.initializeParser(__description__, __date__)
file_list, options = cmdline.parseCommandLine()
out = []
for pdb_file in file_list:
# Read in input file
f = open(pdb_file, "r")
pdb = f.readlines()
f.close()
# Calculate torsion angles and secondary structure
dihedrals, labels = pdbTorsion(pdb)
# Print out results in pretty fashion
short_pdb = os.path.split(pdb_file)[-1][:-4]
for i in range(len(dihedrals)):
out.append(
'%30s%4s "%5s"%10.2F%10.2F\n'
% (short_pdb, labels[i][0], labels[i][1], dihedrals[i][0], dihedrals[i][1])
)
out = ["%10i%s" % (i, x) for i, x in enumerate(out)]
header = "%10s%30s%4s%8s%10s%10s\n" % (" ", "pdb", "aa", "res", "phi", "psi")
out.insert(0, header)
print "".join(out)
def main():
"""
Function to call if run from command line.
"""
from helper import cmdline
cmdline.initializeParser(__description__,__date__)
file_list, options = cmdline.parseCommandLine()
out = []
for pdb_file in file_list:
f = open(pdb_file,'r')
pdb = f.readlines()
f.close()
exp_data = pdbExperiment(pdb)
pdb_id = pdb_file[:pdb_file.index(".pdb")]
pdb_id = os.path.split(pdb_id)[-1]
out.append("%30s%s" % (pdb_id,exp_data))
out = ["%10i%s\n" % (i,x) for i, x in enumerate(out)]
out.insert(0,"%10s%30s%48s%40s%5s%10s%10s%10s\n" % (" ","pdb","protein",
"organism","exp","res","r_value","r_free"))
print "".join(out)
def main():
"""
Function to call if run from command line.
"""
import os
from helper import cmdline
cmdline.initializeParser(__description__, __date__)
cmdline.addOption(short_flag="p",
long_flag="probe",
action="store",
default=1.4,
help="Water probe radius",
nargs=1,
type=float)
file_list, options = cmdline.parseCommandLine()
for pdb_file in file_list:
f = open(pdb_file, 'r')
pdb = f.readlines()
f.close()
neighbors = pdbWaterContact(pdb, options.probe)
residues = neighbors.keys()
residues.sort()
for r in residues:
print "\"%5s\"%10i" % (r, len(neighbors[r]))
def main():
"""
Function to call if this is called from command line.
"""
from helper import cmdline
# Parse command line
cmdline.initializeParser(__description__,__date__)
cmdline.addOption(short_flag="r",
long_flag="renumber-het",
action="store_false",
default=True,
help="include hetatm entries in the renumbering.")
file_list, options = cmdline.parseCommandLine()
for pdb_file in file_list:
# Read in the pdb file
f = open(pdb_file,'r')
pdb = f.readlines()
f.close()
out = pdbAtomRenumber(pdb,options.renumber_het)
if len(file_list) == 1:
print "".join(out)
else:
out_file = "%s_renum.pdb" % pdb_file[:-4]
g = open(out_file,'w')
g.writelines(out)
g.close()
def main():
"""
Function to call if this is called from command line.
"""
from helper import cmdline
# Parse command line
cmdline.initializeParser(__description__,__date__)
file_list, options = cmdline.parseCommandLine()
for pdb_file in file_list:
# Read in the pdb file
f = open(pdb_file,'r')
pdb = f.readlines()
f.close()
out = pdbAtomRenumber(pdb)
if len(file_list) == 1:
print "".join(out)
else:
out_file = "%s_renum.pdb" % pdb_file[:-4]
g = open(out_file,'w')
g.writelines(out)
g.close()
def main():
"""
Function to call if this is called from command line.
"""
from helper import cmdline
# Parse command line
cmdline.initializeParser(__description__, __date__)
file_list, options = cmdline.parseCommandLine()
for pdb_file in file_list:
# Read in the pdb file
f = open(pdb_file, 'r')
pdb = f.readlines()
f.close()
out = pdbAtomRenumber(pdb)
if len(file_list) == 1:
print "".join(out)
else:
out_file = "%s_renum.pdb" % pdb_file[:-4]
g = open(out_file, 'w')
g.writelines(out)
g.close()
def main():
"""
If called from command line...
"""
from helper import cmdline
# Parse command line
cmdline.initializeParser(__description__,__date__)
cmdline.addOption(short_flag="c",
long_flag="coord",
action="store_true",
default=False,
help="write out PDB file with re-centered ASU")
file_list, options = cmdline.parseCommandLine()
for pdb_file in file_list:
# Load in pdb file
f = open(pdb_file,'r')
pdb = f.readlines()
f.close()
translation, pdb_out = pdbCenterasu(pdb, options.coord)
print "%s %s" % (pdb_file, tuple(translation.ravel()))
# If the user wants re-centered PDB files, write them out
if options.coord:
out_file = "%s_asucenter.pdb" % pdb_file[:-4]
g = open(out_file,'w')
g.writelines(pdb_out)
g.close()
def main():
"""
Call if this is called from the command line.
"""
cmdline.initializeParser(__description__, __date__)
file_list, options = cmdline.parseCommandLine()
out = []
for pdb_file in file_list:
# Read in input file
f = open(pdb_file, 'r')
pdb = f.readlines()
f.close()
# Calculate torsion angles and secondary structure
dihedrals, labels = pdbTorsion(pdb)
# Print out results in pretty fashion
short_pdb = os.path.split(pdb_file)[-1][:-4]
for i in range(len(dihedrals)):
out.append("%30s%4s \"%s\"%10.2F%10.2F\n" %\
(short_pdb,labels[i][:3],labels[i][4:],
dihedrals[i][0],dihedrals[i][1]))
out = ["%10i%s" % (i, x) for i, x in enumerate(out)]
header = "%10s%30s%4s%8s%10s%10s\n" % (" ", "pdb", "aa", "res", "phi",
"psi")
out.insert(0, header)
print "".join(out)
def main():
"""
Function to call if run from command line.
"""
import os
from helper import cmdline
cmdline.initializeParser(__description__,__date__)
cmdline.addOption(short_flag="p",
long_flag="probe",
action="store",
default=1.4,
help="Water probe radius",
nargs=1,
type=float)
file_list, options = cmdline.parseCommandLine()
for pdb_file in file_list:
f = open(pdb_file,'r')
pdb = f.readlines()
f.close()
neighbors = pdbWaterContact(pdb,options.probe)
residues = neighbors.keys()
residues.sort()
for r in residues:
print "\"%5s\"%10i" % (r,len(neighbors[r]))
def main():
"""
Function to call if run from command line.
"""
from helper import cmdline
cmdline.initializeParser(__description__,__date__)
cmdline.addOption(short_flag="a",
long_flag="addH",
action="store_true",
default=False,
help="Add hydrogens automatically if missing.")
file_list, options = cmdline.parseCommandLine()
out = []
for pdb_file in file_list:
f = open(pdb_file,'r')
pdb = f.readlines()
f.close()
short_pdb = os.path.split(pdb_file)[-1][:-4]
# See if the file is in the proper (wacky) UHBD format
ca = [l for l in pdb if l[0:4] == "ATOM" and l[12:15] == "CA "]
if len(ca) == 0:
# If not in the correct format, try to add hydrogens
print "%s does not appear to have polar hydrogens!" % pdb_file
if options.addH:
import pdb_addH
print "Attempting to add hydrogens with pdb_addH.py"
try:
pdb = pdb_addH.pdbAddH(pdb,pdb_id=pdb_file[:-4])
g = open("%sH.pdb" % pdb_file[:-4],"w")
g.writelines(pdb)
g.close()
except pdb_addH.PdbAddHError, (strerror):
print "Addition of hydrogens failed for %s" % file
print strerror
sys.exit()
else:
print "Please add hydrogens to the file using pdb_addH.py"
sys.exit()
# Calculate the dipole moment and write out
try:
moment = pdbMoment(pdb)
except PdbMomentError, (strerror):
print "Problem with %s" % pdb_file
print strerror
sys.exit()
def main():
"""
Takes command line arguments and calls distFilter
"""
from helper import cmdline
# Parse command line
cmdline.initializeParser(__description__,__date__)
cmdline.addOption(short_flag="r",
long_flag="residue",
action="store",
default=None,
help="residue for comparison (REQUIRED).")
cmdline.addOption(short_flag="c",
long_flag="column_input",
action="store",
default=[60,66," NA"],
help="X Y SELECT; take lines in which column " + \
"defined by line[X:Y] matches SELECT",
nargs=3)
cmdline.addOption(short_flag="a",
long_flag="atom",
default="N",
action="store",
help="Atom type to compare")
file_list, options = cmdline.parseCommandLine()
# Make sure that a residue is specified
if options.residue == None:
err = "Residue must be specified with -r flag!"
cmdline.parser.error(err)
# Make sure arguments are sane
try:
residue = int(options.residue)
column = [int(options.column_input[0]),int(options.column_input[1])]
select = options.column_input[2]
atom = options.atom
except ValueError:
err = "Mangled arguments!"
cmdline.parser.error(err)
# Run script for all files in file_list
for pdb_file in file_list:
# Read in pdb file
f = open(pdb_file,'r')
pdb = f.readlines()
f.close()
# Perform analysis
dist = distFilter(pdb,residue,atom,column,select)
# dump output to stdout
out = ["%10i%10.3F\n" % (i,d) for i, d in enumerate(dist)]
out.insert(0,"%10s%10s\n" % (" ","dist"))
print "".join(out)
def main():
"""
Takes command line arguments and calls distFilter
"""
from helper import cmdline
# Parse command line
cmdline.initializeParser(__description__, __date__)
cmdline.addOption(short_flag="r",
long_flag="residue",
action="store",
default=None,
help="residue for comparison (REQUIRED).")
cmdline.addOption(short_flag="c",
long_flag="column_input",
action="store",
default=[60,66," NA"],
help="X Y SELECT; take lines in which column " + \
"defined by line[X:Y] matches SELECT",
nargs=3)
cmdline.addOption(short_flag="a",
long_flag="atom",
default="N",
action="store",
help="Atom type to compare")
file_list, options = cmdline.parseCommandLine()
# Make sure that a residue is specified
if options.residue == None:
err = "Residue must be specified with -r flag!"
cmdline.parser.error(err)
# Make sure arguments are sane
try:
residue = int(options.residue)
column = [int(options.column_input[0]), int(options.column_input[1])]
select = options.column_input[2]
atom = options.atom
except ValueError:
err = "Mangled arguments!"
cmdline.parser.error(err)
# Run script for all files in file_list
for pdb_file in file_list:
# Read in pdb file
f = open(pdb_file, 'r')
pdb = f.readlines()
f.close()
# Perform analysis
dist = distFilter(pdb, residue, atom, column, select)
# dump output to stdout
out = ["%10i%10.3F\n" % (i, d) for i, d in enumerate(dist)]
out.insert(0, "%10s%10s\n" % (" ", "dist"))
print "".join(out)
def main():
"""
Call if program called from command line.
"""
from helper import cmdline
# Parse command line
cmdline.initializeParser(__description__,__date__)
cmdline.addOption(short_flag="d",
long_flag="data_input",
action="store",
default=None,
help="FILE X Y; data from FILE columns X and Y",
nargs=3)
cmdline.addOption(short_flag="a",
long_flag="abs_value",
default=False,
action="store_true",
help="Take absolute value of data in data file")
cmdline.addOption(short_flag="s",
long_flag="set_value",
default=20.0,
action="store",
help="Single value to set the b-factors to.",
nargs=1,
type=float)
file_list, options = cmdline.parseCommandLine()
for pdb_file in file_list:
# Read in file
f = open(pdb_file,'r')
pdb = f.readlines()
f.close()
# If a data file is specified, take the values from it and place in
# data_dict. Otherwise, set all residues to 20.0
if options.data_input != None:
# Finish processing command line options
file = options.data_input[0]
col1 = int(options.data_input[1])
col2 = int(options.data_input[2])
if options.abs_value:
abs_value = True
else:
abs_value = False
data_dict = loadDataFile(file,col1,col2,abs_value)
else:
ca_list = [l for l in pdb if l[0:4] == "ATOM" and l[13:16] == "CA "]
data_dict = dict([(ca[22:26].strip(),options.set_value)
for ca in ca_list])
out = pdbBfactor(pdb,data_dict)
print "".join(out)
def main():
"""
Function to call if run from command line.
"""
from helper import cmdline
cmdline.initializeParser(__description__, __date__)
cmdline.addOption(short_flag="a",
long_flag="addH",
action="store_true",
default=False,
help="Add hydrogens automatically if missing.")
file_list, options = cmdline.parseCommandLine()
out = []
for pdb_file in file_list:
f = open(pdb_file, 'r')
pdb = f.readlines()
f.close()
short_pdb = os.path.split(pdb_file)[-1][:-4]
# See if the file is in the proper (wacky) UHBD format
ca = [l for l in pdb if l[0:4] == "ATOM" and l[12:15] == "CA "]
if len(ca) == 0:
# If not in the correct format, try to add hydrogens
print "%s does not appear to have polar hydrogens!" % pdb_file
if options.addH:
import pdb_addH
print "Attempting to add hydrogens with pdb_addH.py"
try:
pdb = pdb_addH.pdbAddH(pdb, pdb_id=pdb_file[:-4])
g = open("%sH.pdb" % pdb_file[:-4], "w")
g.writelines(pdb)
g.close()
except pdb_addH.PdbAddHError, (strerror):
print "Addition of hydrogens failed for %s" % file
print strerror
sys.exit()
else:
print "Please add hydrogens to the file using pdb_addH.py"
sys.exit()
# Calculate the dipole moment and write out
try:
moment = pdbMoment(pdb)
except PdbMomentError, (strerror):
print "Problem with %s" % pdb_file
print strerror
sys.exit()
def main():
"""
Function to call if run from command line.
"""
from helper import cmdline
import pdb_splitnmr
cmdline.initializeParser(__description__,__date__)
cmdline.addOption(short_flag="r",
long_flag="resname",
action="store",
default="TRP",
help="look for contacts near specified resname",
nargs=1)
cmdline.addOption(short_flag="n",
long_flag="resnum",
action="store",
default=None,
help="look for contacts near specified residue number",
nargs=1)
cmdline.addOption(short_flag="d",
long_flag="distance",
action="store",
default=3.5,
help="distance cutoff for calling contacts",
nargs=1,
type=float)
file_list, options = cmdline.parseCommandLine()
if options.resnum != None:
target_type = "resnum"
target = int(options.resnum)
else:
target_type = "resname"
target = options.resname
out = []
for pdb_file in file_list:
f = open(pdb_file,'r')
pdb = f.readlines()
f.close()
# Only take the first NMR model
models = pdb_splitnmr.splitNMR(pdb)
if len(models) > 0:
pdb = models[0]
tmp_out = pdbContacting(pdb,target,options.distance,target_type)
out.extend(["%s\t%s" % (pdb_file[:-4],t) for t in tmp_out])
return out
def main():
"""
Function to call if run from command line.
"""
from helper import cmdline
import pdb_splitnmr
cmdline.initializeParser(__description__, __date__)
cmdline.addOption(short_flag="r",
long_flag="resname",
action="store",
default="TRP",
help="look for contacts near specified resname",
nargs=1)
cmdline.addOption(short_flag="n",
long_flag="resnum",
action="store",
default=None,
help="look for contacts near specified residue number",
nargs=1)
cmdline.addOption(short_flag="d",
long_flag="distance",
action="store",
default=3.5,
help="distance cutoff for calling contacts",
nargs=1,
type=float)
file_list, options = cmdline.parseCommandLine()
if options.resnum != None:
target_type = "resnum"
target = int(options.resnum)
else:
target_type = "resname"
target = options.resname
out = []
for pdb_file in file_list:
f = open(pdb_file, 'r')
pdb = f.readlines()
f.close()
# Only take the first NMR model
models = pdb_splitnmr.splitNMR(pdb)
if len(models) > 0:
pdb = models[0]
tmp_out = pdbContacting(pdb, target, options.distance, target_type)
out.extend(["%s\t%s" % (pdb_file[:-4], t) for t in tmp_out])
return out
def main():
"""
Function to call if run from command line.
"""
from helper import cmdline
cmdline.initializeParser(__description__,__date__)
cmdline.addOption(short_flag="s",
long_flag="step",
action="store",
default=0.1,
help="Histogram step",
nargs=1,
type=float)
file_list, options = cmdline.parseCommandLine()
histogram = [[] for i in range(3)]
for pdb_file in file_list:
f = open(pdb_file,'r')
pdb = f.readlines()
f.close()
tmp_hist = pdbIonDist(pdb,options.step)
# If the new histogram is longer than the total histogram, expand the
# total histogram to take the new data
if len(tmp_hist[0]) > len(histogram[0]):
diff = len(tmp_hist[0]) - len(histogram[0])
for i in xrange(3):
histogram[i].extend([0 for j in xrange(diff)])
# Take data from temporary histogram and append to total histogram
for i in xrange(len(tmp_hist[0])):
for j in xrange(3):
histogram[j][i] += tmp_hist[j][i]
# Create pretty output
out = ["%10s%10s%10s%10s%10s\n" % (" ","dist","a-a","a-b","b-b")]
for i in xrange(len(histogram[0])):
step = options.step*i
out.append("%10i%10.3F%10i%10i%10i\n" %
(i,step,histogram[0][i],histogram[1][i],histogram[2][i]))
print "".join(out)
def main():
"""
If called from command line.
"""
import sys
from helper import cmdline
# Parse command line
cmdline.initializeParser(__description__, __date__)
cmdline.addOption(short_flag="c",
long_flag="chain",
action="store",
default="all",
help="chain to select (separte mulitiple by commas)",
nargs=1,
type=str)
cmdline.addOption(short_flag="r",
long_flag="residues",
default=[0, 0],
action="store",
help="residues to select",
nargs=2,
type=int)
file_list, options = cmdline.parseCommandLine()
for pdb_file in file_list:
# Attempt to strip .pdb extension
try:
pdb_id = pdb_file[:pdb_file.index(".pdb")]
except IndexError:
pdb_id = pdb_file
# Read file
f = open(pdb_file, 'r')
pdb = f.readlines()
f.close()
# Pop out subset
pdb, chain, residues = pdbSubset(pdb, options.chain, options.residues)
# Write to file
out_file = "%s_%s_%i-%i.pdb" % (pdb_id, chain, residues[0],
residues[1])
g = open(out_file, 'w')
g.writelines(pdb)
g.close()
def main():
"""
Function to call if run from command line.
"""
from helper import cmdline
cmdline.initializeParser(__description__, __date__)
cmdline.addOption(short_flag="s",
long_flag="step",
action="store",
default=0.1,
help="Histogram step",
nargs=1,
type=float)
file_list, options = cmdline.parseCommandLine()
histogram = [[] for i in range(3)]
for pdb_file in file_list:
f = open(pdb_file, 'r')
pdb = f.readlines()
f.close()
tmp_hist = pdbIonDist(pdb, options.step)
# If the new histogram is longer than the total histogram, expand the
# total histogram to take the new data
if len(tmp_hist[0]) > len(histogram[0]):
diff = len(tmp_hist[0]) - len(histogram[0])
for i in xrange(3):
histogram[i].extend([0 for j in xrange(diff)])
# Take data from temporary histogram and append to total histogram
for i in xrange(len(tmp_hist[0])):
for j in xrange(3):
histogram[j][i] += tmp_hist[j][i]
# Create pretty output
out = ["%10s%10s%10s%10s%10s\n" % (" ", "dist", "a-a", "a-b", "b-b")]
for i in xrange(len(histogram[0])):
step = options.step * i
out.append(
"%10i%10.3F%10i%10i%10i\n" %
(i, step, histogram[0][i], histogram[1][i], histogram[2][i]))
print "".join(out)
def main():
"""
If called from command line.
"""
import sys
from helper import cmdline
# Parse command line
cmdline.initializeParser(__description__,__date__)
cmdline.addOption(short_flag="c",
long_flag="chain",
action="store",
default="all",
help="chain to select (separte mulitiple by commas)",
nargs=1,
type=str)
cmdline.addOption(short_flag="r",
long_flag="residues",
default=[0,0],
action="store",
help="residues to select",
nargs=2,
type=int)
file_list, options = cmdline.parseCommandLine()
for pdb_file in file_list:
# Attempt to strip .pdb extension
try:
pdb_id = pdb_file[:pdb_file.index(".pdb")]
except IndexError:
pdb_id = pdb_file
# Read file
f = open(pdb_file,'r')
pdb = f.readlines()
f.close()
# Pop out subset
pdb, chain, residues = pdbSubset(pdb,options.chain,options.residues)
# Write to file
out_file = "%s_%s_%i-%i.pdb" % (pdb_id,chain,residues[0],residues[1])
g = open(out_file,'w')
g.writelines(pdb)
g.close()
def main():
"""
If called from command line...
"""
from helper import cmdline
# Parse command line
cmdline.initializeParser(__description__,__date__)
cmdline.addOption(short_flag="c",
long_flag="coord",
action="store_true",
default=False,
help="write out re-centered coordinates")
cmdline.addOption(short_flag="m",
long_flag="mass",
action="store_false",
default=True,
help="weight atoms by their mass")
cmdline.addOption(short_flag="a",
long_flag="hetatm",
action="store_true",
default=False,
help="include hetatms in center of mass calc")
file_list, options = cmdline.parseCommandLine()
for pdb_file in file_list:
# Load in pdb file
f = open(pdb_file,'r')
pdb = f.readlines()
f.close()
center, pdb_out = pdbCentermass(pdb,options.coord,options.hetatm,
options.mass)
print "%s %s" % (pdb_file,"".join(center))
# If the user wants re-centered coordinates, write them out
if options.coord:
out_file = "%s_center.pdb" % pdb_file[:-4]
g = open(out_file,'w')
g.writelines(pdb_out)
g.close()
def main():
"""
If called from command line...
"""
from helper import cmdline
# Parse command line
cmdline.initializeParser(__description__,__date__)
cmdline.addOption(short_flag="c",
long_flag="coord",
action="store_true",
default=False,
help="write out re-centered coordinates")
cmdline.addOption(short_flag="m",
long_flag="mass",
action="store_false",
default=True,
help="weight atoms by their mass")
cmdline.addOption(short_flag="a",
long_flag="hetatm",
action="store_true",
default=False,
help="include hetatms in center of mass calc")
file_list, options = cmdline.parseCommandLine()
for pdb_file in file_list:
# Load in pdb file
f = open(pdb_file,'r')
pdb = f.readlines()
f.close()
center, pdb_out = pdbCentermass(pdb,options.coord,options.hetatm,
options.mass)
print "%s %s" % (pdb_file,"".join(center))
# If the user wants re-centered coordinates, write them out
if options.coord:
out_file = "%s_center.pdb" % pdb_file[:-4]
g = open(out_file,'w')
g.writelines(pdb_out)
g.close()
def main():
"""
Function to call if called from the command line.
"""
from helper import cmdline
# Parse command line
cmdline.initializeParser(__description__,__date__)
cmdline.addOption(short_flag="a",
long_flag="align-out",
action="store_true",
default=False,
help="write out residue alignment file.")
cmdline.addOption(short_flag="s",
long_flag="start-res",
action="store",
type=int,
default=None,
help="Start at residues s")
file_list, options = cmdline.parseCommandLine()
for pdb_file in file_list:
f = open(pdb_file,'r')
pdb = f.readlines()
f.close()
pdb_out, alignment = pdbResidueRenumber(pdb,options.start_res)
short_pdb = os.path.split(pdb_file)[-1][:-4]
g = open("%s_res-renum.pdb" % short_pdb,"w")
g.writelines(pdb_out)
g.close()
if options.align_out:
print "Residue alignment written out."
alignment.insert(0,"#%s" % pdb_out[0])
g = open("%s_res-algn.out" % short_pdb,'w')
g.writelines(alignment)
g.close()
def main():
"""
Function to call if run from command line.
"""
from helper import cmdline
cmdline.initializeParser(__description__,__date__)
cmdline.addOption(short_flag="c",
long_flag="ca_only",
action="store_true",
default=False,
help="Use only CA atoms")
cmdline.addOption(short_flag="d",
long_flag="distance",
action="store",
default=3.5,
help="Distance cutoff to identify close contacts.",
nargs=1,
type=float)
file_list, options = cmdline.parseCommandLine()
for pdb_file in file_list:
f = open(pdb_file,'r')
pdb = f.readlines()
f.close()
output = pdbCloseContacts(pdb,options.ca_only,options.distance)
out = []
out.append("# Close contacts for %s using a %.3f distance cutoff.\n" % (pdb_file,options.distance))
out.append("%10s%16s%16s%12s\n" % (" ","atom1","atom2","dist"))
for i, o in enumerate(output):
out.append("%10i \"%s\" \"%s\"%12.3f\n" % (i,o[0],o[1],o[2]))
g = open("%s.close_contacts" % pdb_file,"w")
g.writelines(out)
g.close()
def main():
"""
Function to execute if called from command line.
"""
import sys
from helper import cmdline
# Parse command line
cmdline.initializeParser(__description__, __date__)
cmdline.addOption(short_flag="c",
long_flag="chain",
action="store",
default="all",
help="chain to select",
nargs=1,
type=str)
cmdline.addOption(short_flag="a",
long_flag="atomseq",
action="store_true",
default=False,
help="use ATOM sequence, not SEQRES")
file_list, options = cmdline.parseCommandLine()
# Extract sequence data
for pdb_file in file_list:
pdb_id = os.path.split(pdb_file)[-1][:-4]
f = open(pdb_file, 'r')
pdb = f.readlines()
f.close()
seq = pdbSeq2Fasta(pdb, pdb_id, options.chain, options.atomseq)
file_mfasta = pdb_id + ".fasta"
#print(seq)
f = open(file_mfasta, 'w')
f.write(seq)
f.close()
def main():
"""
Function to call if run from command line.
"""
from helper import cmdline
cmdline.initializeParser(__description__, __date__)
cmdline.addOption(short_flag="c",
long_flag="ca_only",
action="store_true",
default=False,
help="Use only CA atoms")
cmdline.addOption(short_flag="d",
long_flag="distance",
action="store",
default=3.5,
help="Distance cutoff to identify close contacts.",
nargs=1,
type=float)
file_list, options = cmdline.parseCommandLine()
for pdb_file in file_list:
f = open(pdb_file, 'r')
pdb = f.readlines()
f.close()
output = pdbCloseContacts(pdb, options.ca_only, options.distance)
out = []
out.append("# Close contacts for %s using a %.3f distance cutoff.\n" %
(pdb_file, options.distance))
out.append("%10s%16s%16s%12s\n" % (" ", "atom1", "atom2", "dist"))
for i, o in enumerate(output):
out.append("%10i \"%s\" \"%s\"%12.3f\n" % (i, o[0], o[1], o[2]))
g = open("%s.close_contacts" % pdb_file, "w")
g.writelines(out)
g.close()
def main():
"""
Function to call if run from commmand line.
"""
from helper import cmdline
cmdline.initializeParser(__description__,__date__)
file_list, options = cmdline.parseCommandLine()
for pdb_file in file_list:
f = open(pdb_file,'r')
pdb = f.readlines()
f.close()
models = splitNMR(pdb)
short_pdb = os.path.split(pdb_file)[-1][:-4]
for index, model in enumerate(models):
g = open("%s_%i.pdb" % (short_pdb,index),"w")
g.writelines(model)
g.close()
def main():
"""
Function to call if run from commmand line.
"""
from helper import cmdline
cmdline.initializeParser(__description__, __date__)
file_list, options = cmdline.parseCommandLine()
for pdb_file in file_list:
f = open(pdb_file, 'r')
pdb = f.readlines()
f.close()
models = splitNMR(pdb)
short_pdb = os.path.split(pdb_file)[-1][:-4]
for index, model in enumerate(models):
g = open("%s_%i.pdb" % (short_pdb, index), "w")
g.writelines(model)
g.close()
def main():
"""
Function to execute if called from command line.
"""
import sys
from helper import cmdline
# Parse command line
cmdline.initializeParser(__description__,__date__)
cmdline.addOption(short_flag="c",
long_flag="chain",
action="store",
default="all",
help="chain to select",
nargs=1,
type=str)
cmdline.addOption(short_flag="a",
long_flag="atomseq",
action="store_true",
default=False,
help="use ATOM sequence, not SEQRES")
file_list, options = cmdline.parseCommandLine()
# Extract sequence data
for pdb_file in file_list:
pdb_id = os.path.split(pdb_file)[-1][:-4]
f = open(pdb_file,'r')
pdb = f.readlines()
f.close()
seq = pdbSeq2Fasta(pdb,pdb_id,options.chain,options.atomseq)
print seq
def main():
"""
Main function to run if script is called from the command line.
"""
from helper import cmdline
# Parse command line
cmdline.initializeParser(__description__,__date__)
cmdline.addOption(short_flag="o",
long_flag="offset",
action="store",
default=0,
help="offset; num atoms to offset",
nargs=1,
type=int)
file_list, options = cmdline.parseCommandLine()
offset = options.offset
# Offset pdb files in file_list
out_files = []
for f in file_list:
out_files.append(pdbOffset(f,offset))
# If it is a single file, dump to command line. If it is a directory,
# write each file to r%s % file.
if len(out_files) == 1:
print out_files[0]
else:
for i, f in enumerate(file_list):
out_name = list(os.path.split(f))
out_name[1] = out_name[1][:-4]
out_name = os.path.join(out_name[0],"%s_offset.pdb" % out_name[1])
g = open(out_name,'w')
g.write(out_files[i])
g.close()
def main():
"""
Function to call if run from command line.
"""
from helper import cmdline
cmdline.initializeParser(__description__,__date__)
cmdline.addOption(short_flag="c",
long_flag="collapse_repeat",
action="store_true",
default=True,
help="Collapse repeated molecule names")
file_list, options = cmdline.parseCommandLine()
out = []
for pdb_file in file_list:
f = open(pdb_file,'r')
pdb = f.readlines()
f.close()
olig_output = pdbOligomer(pdb,options.collapse_repeat)
pdb_id = pdb_file[:pdb_file.index(".pdb")]
pdb_id = os.path.split(pdb_id)[-1]
out.append("%s\t%s" % (pdb_id,olig_output))
out = ["%i\t%s\n" % (i,l) for i, l in enumerate(out)]
out.insert(0,"\tpdb\tcompounds\tchains\tWYSIWYG\n")
print "".join(out)
def main():
"""
Function to call if called from the command line.
"""
from helper import cmdline
# Parse command line
cmdline.initializeParser(__description__,__date__)
cmdline.addOption(short_flag="a",
long_flag="align-out",
action="store_true",
default=False,
help="write out residue alignment file.")
cmdline.addOption(short_flag="s",
long_flag="start-res",
action="store",
type=int,
default=None,
help="Make the first residue in the file have s")
cmdline.addOption(short_flag="r",
long_flag="renumber-het",
action="store_false",
default=True,
help="include hetatm entries in the renumbering.")
cmdline.addOption(short_flag="g",
long_flag="remove-gaps",
action="store_true",
default=False,
help="make the sequence numbering continuous (remove gaps)")
cmdline.addOption(short_flag="c",
long_flag="chain",
action="store",
type=str,
default=None,
help="only renumber this chain")
file_list, options = cmdline.parseCommandLine()
for pdb_file in file_list:
f = open(pdb_file,'r')
pdb = f.readlines()
f.close()
pdb_out, alignment = pdbResidueRenumber(pdb,options.start_res,
options.renumber_het,
options.remove_gaps,
options.chain)
short_pdb = os.path.split(pdb_file)[-1][:-4]
g = open("%s_res-renum.pdb" % short_pdb,"w")
g.writelines(pdb_out)
g.close()
if options.align_out:
print "Residue alignment written out."
alignment.insert(0,"#%s" % pdb_out[0])
g = open("%s_res-algn.out" % short_pdb,'w')
g.writelines(alignment)
g.close()
def main():
"""
Function to call if called from the command line.
"""
from helper import cmdline
# Parse command line
cmdline.initializeParser(__description__, __date__)
cmdline.addOption(short_flag="a",
long_flag="align-out",
action="store_true",
default=False,
help="write out residue alignment file.")
cmdline.addOption(short_flag="s",
long_flag="start-res",
action="store",
type=int,
default=None,
help="Make the first residue in the file have s")
cmdline.addOption(short_flag="r",
long_flag="renumber-het",
action="store_true",
default=True,
help="include hetatm entries in the renumbering.")
cmdline.addOption(
short_flag="g",
long_flag="remove-gaps",
action="store_true",
default=False,
help="make the sequence numbering continuous (remove gaps)")
cmdline.addOption(short_flag="c",
long_flag="chain",
action="store",
type=str,
default=None,
help="only renumber this chain")
file_list, options = cmdline.parseCommandLine()
for pdb_file in file_list:
f = open(pdb_file, 'r')
pdb = f.readlines()
f.close()
pdb_out, alignment = pdbResidueRenumber(pdb, options.start_res,
options.renumber_het,
options.remove_gaps,
options.chain)
short_pdb = os.path.split(pdb_file)[-1][:-4]
g = open("%s_res-renum.pdb" % short_pdb, "w")
g.writelines(pdb_out)
g.close()
if options.align_out:
print "Residue alignment written out."
alignment.insert(0, "#%s" % pdb_out[0])
g = open("%s_res-algn.out" % short_pdb, 'w')
g.writelines(alignment)
g.close()
def main():
"""
Function to call if run from command line.
"""
from helper import cmdline
cmdline.initializeParser(__description__,__date__)
cmdline.addOption(short_flag="a",
long_flag="all",
action="store_true",
default=False,
help="Use all atoms (not just CA)")
cmdline.addOption(short_flag="d",
long_flag="difference",
action="store",
default=None,
help="Take difference between two contact maps. " +\
"DIFFERENCE is a pdb file",
nargs=1,
type=str)
file_list, options = cmdline.parseCommandLine()
# If we are calculating a difference map, calculate this first.
if options.difference != None:
if not os.path.isfile(options.difference):
print "\"%s\" is not a file!" % options.difference
sys.exit()
f = open(options.difference,'r')
pdb = f.readlines()
f.close()
to_compare = pdbContact(pdb,options.all)
for pdb_file in file_list:
f = open(pdb_file,'r')
pdb = f.readlines()
f.close()
dist = pdbContact(pdb,options.all)
# Make sure the difference and main pdbs have the same number of atoms
if options.difference != None:
if len(dist) != len(to_compare):
print "\"%s\" and \"%s\" do not have same number of atoms!" % \
(pdb_file,options.difference)
sys.exit()
# Write output
out = []
out.append("# Distance contact map for \"%s\".\n" % pdb_file)
if options.difference != None:
out.append("# Difference map to \"%s\".\n" % options.difference)
out.append("#%9s%10s%10s%10s%10s%10s%10s\n" %
("atom1","atom2","d12","d12_r","dd12","mean","d/m"))
else:
out.append("#%9s%10s%10s\n" % ("atom1","atom2","d12"))
for i in range(len(dist)):
for j in range(len(dist)):
out.append("%10i%10i%10.3F" % (i,j,dist[i][j]))
if options.difference != None:
d = dist[i][j] - to_compare[i][j]
mean = (dist[i][j] + to_compare[i][j])/2.
if mean != 0:
d_m = d/mean
else:
d_m = 0
out.append("%10.3F%10.3F%10.3F%10.3F\n" %
(to_compare[i][j],d,mean,d_m))
else:
out.append("\n")
out.append("\n")
out = "".join(out)
short_pdb = os.path.split(pdb_file)[-1][:-4]
g = open("%s_contact.txt" % short_pdb,'w')
g.write(out)
g.close()
def main():
"""
If called from the command line, execute this.
"""
from helper import cmdline
# Parse command line
cmdline.initializeParser(__description__, __date__)
cmdline.addOption(short_flag="a",
long_flag="atomseq",
action="store_true",
default=False,
help="use ATOM sequence, not SEQRES")
cmdline.addOption(short_flag="f",
long_flag="freq",
action="store_true",
default=False,
help="write out amino acid frequencies")
cmdline.addOption(short_flag="c",
long_flag="chain",
action="store",
default="all",
help="chain to analyze",
nargs=1,
type=str)
file_list, options = cmdline.parseCommandLine()
out = []
for pdb_index, pdb_file in enumerate(file_list):
# Read in pdb file
f = open(pdb_file, 'r')
pdb = f.readlines()
f.close()
# Calculate simple properties about protein charge
try:
count_dict, mw, pI, seq_type = pdbParam(pdb,
chain=options.chain,
use_atoms=options.atomseq)
except PdbParamError, (strerror):
print "Error processing file \"%s\":" % pdb_file
print "%s" % (strerror)
sys.exit()
aa_list = count_dict.keys()
aa_list.sort()
# Calculate fraction ionizable
total = float(sum(count_dict.values()))
titr_aa_list = [aa for aa in aa_list if aa in PKA_DICT.keys()]
titr_total = float(sum([count_dict[aa] for aa in titr_aa_list]))
fx_titr = titr_total / total
# Calculate the apparent charge
acid = sum([count_dict[aa] for aa in ["ASP", "GLU"]])
base = sum([count_dict[aa] for aa in ["HIS", "LYS", "ARG"]])
app_charge = base - acid
# Print to output in pretty way
short_pdb = os.path.split(pdb_file)[-1][:-4]
out.append("%30s%10s%10i%10.2F%10.2F%10i\n" %
(short_pdb, seq_type.strip(), mw, pI, fx_titr, app_charge))
# Write out amino acid frequencies if requested
if options.freq:
total_freq = dict([(aa, count_dict[aa] / total) for aa in aa_list])
titr_freq = dict([(aa, count_dict[aa] / titr_total)
for aa in titr_aa_list])
freq_out = [
5 * "%10s" % (" ", "aacid", "counts", "fx_total", "fx_titr")
]
freq_out.append("\n")
for aa_index, aa in enumerate(aa_list):
if aa in titr_aa_list:
freq_out.append("%10i%10s%10i%10.2F%10.2F\n" %
(aa_index, aa, count_dict[aa], 100 *
total_freq[aa], 100 * titr_freq[aa]))
else:
freq_out.append("%10i%10s%10i%10.2F%10s\n" %
(aa_index, aa, count_dict[aa],
100 * total_freq[aa], "NA"))
g = open("%s_freq.txt" % (pdb_file[:-4]), "w")
g.writelines(freq_out)
g.close()
def main():
"""
Function to call if run from command line.
"""
from helper import cmdline
cmdline.initializeParser(__description__,__date__)
cmdline.addOption(short_flag="p",
long_flag="probe_radius",
action="store",
default=1.4,
help="specify probe radius (A)",
nargs=1,
type=float)
cmdline.addOption(short_flag="z",
long_flag="z_sample",
action="store",
default=0.05,
help="fraction of atom radius to sample on z",
nargs=1,
type=float)
cmdline.addOption(short_flag="v",
long_flag="vdw_file",
action="store",
default=None,
help="specify custom vdw file",
nargs=1,
type=str)
cmdline.addOption(short_flag="d",
long_flag="standard_dir",
action="store",
default=None,
help="specify location of custom standards directory",
nargs=1,
type=str)
cmdline.addOption(short_flag="k",
long_flag="keep_temp",
action="store_true",
default=False,
help="keep temporary files")
file_list, options = cmdline.parseCommandLine()
print "Generating standards."
standards = readStandards(options.standard_dir,options.probe_radius,
options.z_sample,options.vdw_file)
for pdb_file in file_list:
out = pdbSASA(pdb_file,options.probe_radius,options.z_sample,
options.vdw_file,options.keep_temp,standards)
out = ["%10i%s" % (i,x) for i, x in enumerate(out)]
out.insert(0,"%10s%10s%10s%12s%10s%10s\n" % \
(" ","atom","type","residue","abs","fract"))
header = ["# Custom standards: %s\n" % options.standard_dir,
"# Custom radii file: %s\n" % options.vdw_file,
"# Probe radius: %.2F\n" % options.probe_radius,
"# Z-sampling: %.2F\n" % options.z_sample]
out.insert(0,"".join(header))
out_file = "%s_sasa.txt" % pdb_file[:-4]
f = open(out_file,'w')
f.writelines(out)
f.close()
def main():
"""
To be called if module run from command line.
"""
from helper import cmdline
# Parse command line
cmdline.initializeParser(__description__,__date__)
cmdline.addOption(short_flag="c",
long_flag="chain",
action="store",
default=None,
help="CHAIN to mutate",
nargs=1)
cmdline.addOption(short_flag="r",
long_flag="residue",
action="store",
type="int",
default=None,
help="Residue to mutate (REQUIRED)",
nargs=1)
cmdline.addOption(short_flag="m",
long_flag="mutation",
action="store",
default=None,
help="Three-letter name of mutation (REQUIRED)",
nargs=1)
cmdline.addOption(short_flag="s",
long_flag="simple",
action="store_true",
default=False,
help="No atoms beyond CB added (i.e. no CHARMM)")
file_list, options = cmdline.parseCommandLine()
# Parse command line options
if options.residue == None:
err = "Residue (-r) argument is required!"
raise cmdline.parser.error(err)
else:
residue = options.residue
if options.mutation == None:
err = "Mutation (-m) argument is required!"
raise cmdline.parser.error(err)
else:
mutation = options.mutation
chain = options.chain
run_charmm = not options.simple
for file in file_list:
f = open(file,'r')
pdb = f.readlines()
f.close()
print "Loading %s" % file
pdb_id = file[:-4]
pdb, mutation_string = pdbMutator(pdb,residue,mutation,chain,
run_charmm)
out_file = "%s_%s.pdb" % (pdb_id,mutation_string)
g = open(out_file,"w")
g.writelines(pdb)
g.close()
print "Mutated pdb written to %s" % out_file
def main():
"""
Call if program called from command line.
"""
# Parse command line
cmdline.initializeParser(__description__,__date__)
cmdline.addOption(short_flag="t",
long_flag="his_tautomers",
action="store",
default=None,
help="File containing his tautomers to use",
nargs=1)
cmdline.addOption(short_flag="k",
long_flag="keep_temp",
action="store_true",
default=False,
help="Keep temporary files")
cmdline.addOption(short_flag="f",
long_flag="full",
action="store_true",
default=False,
help="Add hydrogens for UHBD full calculation")
cmdline.addOption(short_flag="b",
long_flag="hbond",
action="store",
default=None,
help="Write out hbonds to file",
nargs=1,
type=str)
cmdline.addOption(short_flag="u",
long_flag="uhbd_style",
action="store_true",
default=False,
help="Write out in non-standard uhbd format")
cmdline.addOption(short_flag="s",
long_flag="skip",
action="store_true",
default=True,
help="skip messed up pdb files")
file_list, options = cmdline.parseCommandLine()
# Deal with his_tautomers file
if options.his_tautomers != None:
# Read in as a standard ascii file.
his_types = cmdline.readFile(options.his_tautomers)
try:
his_types = [int(h) for h in his_types]
# Make sure that entries are valid
check = [h == 1 or h == 2 for h in his_types]
if False in check:
raise ValueError
except ValueError:
err = "His tautomer file can contain only 1's (HISB) and 2's (HISA)"
cmdline.parser.error(err)
else:
his_types = None
# Decide whether to keep temp files and how to format output
keep_temp = options.keep_temp
uhbd_style = options.uhbd_style
hbond = options.hbond
# Decide whether to add "full" hydrogens.
if options.full:
calc_type = "full"
else:
calc_type = "single"
# Add hydrogens for every file in file_list
file_list.sort()
for file in file_list:
pdb_id = os.path.split(file)[-1][:-4]
out_file = "%sH.pdb" % pdb_id
print "%s --> %s" % (file,out_file)
# Load in file
f = open(file,'r')
pdb = f.readlines()
f.close()
# Add hydrogens
try:
pdb_out = pdbAddH(pdb,pdb_id,uhbd_style=uhbd_style,
his_types=his_types,
keep_temp=keep_temp,
calc_type=calc_type,
hbond=hbond)
except PdbAddHError, (strerror):
err = "Addition of hydrogens failed for %s\n" % file
err += "Problem was with CHARMM\n.%s" % strerror
print err
if options.skip:
print "CHARMM output written to error.log"
g = open("error.log","a")
g.write(err)
g.write("charmm.out copied below\n%s\n" % (79*"-"))
h = open("charmm.out",'r')
charmm_out = h.readlines()
h.close()
g.writelines(charmm_out)
g.write("\n\n")
g.close()
continue
else:
sys.exit()
# Dump to output file
g = open(out_file,'w')
g.writelines(pdb_out)
g.close()
def main():
"""
Call if program executed from command line.
"""
from helper import cmdline
# Parse command line
cmdline.initializeParser(__description__,__date__)
cmdline.addOption(short_flag="d",
long_flag="dist",
action="store",
default=10.0,
help="distance cutoff for neighbors",
nargs=1,
type=float)
cmdline.addOption(short_flag="s",
long_flag="seq",
action="store",
default=4,
help="minimum sequence separation between neighbors",
nargs=1,
type=int)
cmdline.addOption(short_flag="r",
long_flag="residue",
action="store",
default=None,
help="only calculate neighbors for residue (i.e. LYS)",
nargs=1,
type=str)
cmdline.addOption(short_flag="a",
long_flag="atom",
action="store",
default=None,
help="only calculate neighbors to an atom (i.e. CA)",
nargs=1,
type=str)
cmdline.addOption(short_flag="e",
long_flag="everything",
action="store_true",
default=False,
help="find number of CB neighbors for all atoms in pdb")
file_list, options = cmdline.parseCommandLine()
out = []
for pdb_file in file_list:
f = open(pdb_file,'r')
pdb = f.readlines()
f.close()
residue_list, num_neighbors = pdbNeighbors(pdb,options.dist,options.seq,
options.residue,options.atom,
options.everything)
short_pdb = os.path.split(pdb_file)[-1][:-4]
for i in range(len(residue_list)):
out.append("%30s%17s%10i\n" % (short_pdb,residue_list[i],
num_neighbors[i]))
out = ["%10i%s" % (i,x) for i, x in enumerate(out)]
out.insert(0,"%10s%30s%17s%10s\n" % (" ","pdb","residue","cb_neigh"))
out.insert(0,"# Dist cutoff: %.2F\n# Seq cutoff: %i\n" %
(options.dist,options.seq))
print "".join(out)
def main():
"""
To be called if module run from command line.
"""
from helper import cmdline
# Parse command line
cmdline.initializeParser(__description__, __date__)
cmdline.addOption(short_flag="c",
long_flag="chains",
action="store",
default=None,
help="File containing chains to take",
nargs=1)
cmdline.addOption(short_flag="o",
long_flag="out_suffix",
action="store",
default="clean",
help="suffix to append to output pdb",
nargs=1)
cmdline.addOption(short_flag="r",
long_flag="renumber_residues",
action="store_true",
default=False,
help="Renumber residues from 1")
cmdline.addOption(short_flag="k",
long_flag="keep_temp",
action="store_true",
default=False,
help="Keep temporary files")
cmdline.addOption(short_flag="s",
long_flag="skip",
action="store_true",
default=True,
help="skip messed up pdb files")
cmdline.addOption(short_flag="f",
long_flag="fix_atoms",
action="store_false",
default=True,
help="fix atoms in original file")
cmdline.addOption(short_flag="n",
long_flag="num_steps",
action="store",
default=500,
help="number of minimization steps",
nargs=1)
file_list, options = cmdline.parseCommandLine()
# Parse command line options
if options.chains == None:
chains = "all"
else:
chains = cmdline.readFile(options.chains)
suffix = options.out_suffix
renumber_residues = options.renumber_residues
keep_temp = options.keep_temp
fix_atoms = options.fix_atoms
num_steps = options.num_steps
for pdb_file in file_list:
f = open(pdb_file, 'r')
pdb = f.readlines()
f.close()
print "Loading %s" % pdb_file
pdb_id = pdb_file[:-4]
try:
pdb = pdbClean(pdb, pdb_id, chains, renumber_residues, keep_temp,
fix_atoms, num_steps)
except PdbCleanError, (strerror):
err = "Error cleaning \"%s\"\n%s\n" % (pdb_file, strerror)
print err,
if options.skip:
g = open("error.log", "a")
g.write(err)
g.close()
continue
else:
sys.exit()
out_file = "%s_%s.pdb" % (pdb_id, suffix)
g = open(out_file, "w")
g.writelines(pdb)
g.close()
print "Cleaned pdb written to %s" % out_file
def main():
"""
If called from command line, calculate energy and print to standard out.
"""
from helper import cmdline
# Parse command line
cmdline.initializeParser(__description__, __date__)
cmdline.addOption(short_flag="d",
long_flag="dielec_const",
action="store",
default=40.0,
help="dielectric constant",
nargs=1,
type=float)
cmdline.addOption(short_flag="i",
long_flag="ionic_str",
default=100,
action="store",
help="ionic strength (mM)",
type=float)
cmdline.addOption(short_flag="p",
long_flag="pH",
default=7.0,
action="store",
help="pH",
type=float)
cmdline.addOption(short_flag="T",
long_flag="temperature",
default=298.0,
action="store",
help="temperature (K)",
type=float)
cmdline.addOption(short_flag="t",
long_flag="titrate",
default=(None, None),
action="store",
help="titrate a variable",
type=str,
nargs=2)
file_list, options = cmdline.parseCommandLine()
# create dictionary of option values where values are in lists
value_dict = dict([(k, [options.__dict__[k]])
for k in options.__dict__.keys() if k != "titrate"])
# Deal with whether the user has specified a text file containing values
# over which to titrate.
if options.titrate != (None, None):
available_options = value_dict.keys()
# Make sure that the specified option can titrate and the file exists.
titration = options.titrate[0]
data_file = options.titrate[1]
if titration in available_options:
if os.path.isfile(data_file):
f = open(data_file, 'r')
titr_data = f.readlines()
f.close()
# Strip comments and blank lines, then re-join all lines
titr_data = [
l for l in titr_data if l[0] != "#" and l.strip() != ""
]
titr_data = "".join(titr_data)
# Parse file
try:
titr = [float(x) for x in titr_data.split()]
value_dict[titration] = titr[:]
# Do some basic error checking
except ValueError:
print "Data file \"%s\" has mangled data!" % data_file
sys.exit()
if len(titr) == 0:
print "Data file \"%s\" is empty!" % data_file
sys.exit()
else:
print "Data file \"%s\" does not exist!" % data_file
sys.exit()
else:
print "\"%s\" cannot be titrated!" % titration
print "Available titrations:"
for option in available_options:
print "\t%s" % option
sys.exit()
out = [
"%10s%30s%10s%10s%10s%10s%10s\n" %
(" ", "pdb", "ep", "ion_str", "pH", "T", "dG")
]
counter = 0
for pdb_file in file_list:
# Read in coordinates
coord, pKa, charge = readPDB(pdb_file)
short_pdb = os.path.split(pdb_file)[-1][:-4]
# Determine electrostatic energy, titrating over all relavent variables
for temperature in value_dict["temperature"]:
for pH in value_dict["pH"]:
for ionic_str in value_dict["ionic_str"]:
for dielec in value_dict["dielec_const"]:
energy = pdbCoulomb(coord, pKa, charge, dielec,
ionic_str, pH, temperature)
# Write out results
out.append("%10i%30s%10.3F%10.3F%10.3F%10.3F%10.3F\n" %
(counter, short_pdb, dielec, ionic_str, pH,
temperature, energy))
counter += 1
print "".join(out)
def main():
"""
Function to call if run from command line.
"""
from helper import cmdline
cmdline.initializeParser(__description__,__date__)
cmdline.addOption(short_flag="w",
long_flag="wij_file",
action="store",
default=None,
help="Specify a pre-generated wij file",
nargs=1,
type=str)
cmdline.addOption(short_flag="p",
long_flag="protein_dielec",
action="store",
default=4.,
help="Protein dielectric constant",
nargs=1,
type=float)
cmdline.addOption(short_flag="s",
long_flag="solvent_dielec",
action="store",
default=78.5,
help="Solvent dielectric constant",
nargs=1,
type=float)
cmdline.addOption(short_flag="b",
long_flag="ion_radius",
action="store",
default=2.,
help="Radius of ion (angstroms)",
nargs=1,
type=float)
cmdline.addOption(short_flag="r",
long_flag="protein_radius",
action="store",
default=18.,
help="Radius of protein (angstroms)",
nargs=1,
type=float)
cmdline.addOption(short_flag="d",
long_flag="depth",
action="store",
default=0.,
help="Depth of sidechain burial (angstroms)",
nargs=1,
type=float)
cmdline.addOption(short_flag="T",
long_flag="temperature",
action="store",
default=298.16,
help="Temperature (Kelvin)",
nargs=1,
type=float)
cmdline.addOption(short_flag="i",
long_flag="ionic_strengths",
action="store",
default=None,
help="File with set of ionic strengths (M)",
nargs=1,
type=str)
cmdline.addOption(short_flag="k",
long_flag="keep_temp",
action="store_true",
default=False,
help="Keep temporary files")
file_list, options = cmdline.parseCommandLine()
# Generate wij file with all ij potentials
if options.wij_file != None:
wij_file = options.wij_file
if not os.path.isfile(wij_file):
err = "Specified wij file \"%s\" does not exist!" % wij_file
raise SATKError(err)
else:
# If a file with ionic strengths is specified, use it.
if options.ionic_strengths != None:
if not os.path.isile(ionic_strengths):
err = "Ionic strengths file \"%s\" could not be found!" % \
options.ionic_strengths
f = open(ionic_strengths,'r')
lines = f.readlines()
f.close()
salt_list = []
lines = [l for l in lines if l[0] != "#" and l.strip() != ""]
for line in lines:
salt_list.extend([float(entry) for entry in line])
salt_list.sort()
else:
salt_list = [0.001,0.005,0.01,0.05,0.1,0.5,1.0]
# Create wij file using the command line options specified
wij_file = "wij.wij"
runMkwij(wij_file,Dint=options.protein_dielec,
Dsolv=options.solvent_dielec,
T=options.temperature,
a=options.ion_radius+options.protein_radius,
b=options.protein_radius,
g=options.depth,
salts=salt_list)
# Run satk on all files in file_list
for pdb_file in file_list:
pdb_tuple = os.path.split(pdb_file)
if pdb_tuple[0] != "":
shutil.copy(pdb_file,pdb_tuple[1])
pdb_file = pdb_tuple[1]
pdbSatk(pdb_file,wij_file=wij_file,keep_temp=options.keep_temp)
def main():
"""
To be called if module run from command line.
"""
from helper import cmdline
# Parse command line
cmdline.initializeParser(__description__, __date__)
cmdline.addOption(short_flag="c",
long_flag="chain",
action="store",
default=None,
help="CHAIN to mutate",
nargs=1)
cmdline.addOption(short_flag="r",
long_flag="residue",
action="store",
type="int",
default=None,
help="Residue to mutate (REQUIRED)",
nargs=1)
cmdline.addOption(short_flag="m",
long_flag="mutation",
action="store",
default=None,
help="Three-letter name of mutation (REQUIRED)",
nargs=1)
cmdline.addOption(short_flag="s",
long_flag="simple",
action="store_true",
default=False,
help="No atoms beyond CB added (i.e. no CHARMM)")
file_list, options = cmdline.parseCommandLine()
# Parse command line options
if options.residue == None:
err = "Residue (-r) argument is required!"
raise cmdline.parser.error(err)
else:
residue = options.residue
if options.mutation == None:
err = "Mutation (-m) argument is required!"
raise cmdline.parser.error(err)
else:
mutation = options.mutation
chain = options.chain
run_charmm = not options.simple
for file in file_list:
f = open(file, 'r')
pdb = f.readlines()
f.close()
print "Loading %s" % file
pdb_id = file[:-4]
pdb, mutation_string = pdbMutator(pdb, residue, mutation, chain,
run_charmm)
out_file = "%s_%s.pdb" % (pdb_id, mutation_string)
g = open(out_file, "w")
g.writelines(pdb)
g.close()
print "Mutated pdb written to %s" % out_file
def main():
"""
To be called if module run from command line.
"""
from helper import cmdline
# Parse command line
cmdline.initializeParser(__description__,__date__)
cmdline.addOption(short_flag="c",
long_flag="chains",
action="store",
default=None,
help="File containing chains to take",
nargs=1)
cmdline.addOption(short_flag="o",
long_flag="out_suffix",
action="store",
default="clean",
help="suffix to append to output pdb",
nargs=1)
cmdline.addOption(short_flag="r",
long_flag="renumber_residues",
action="store_true",
default=False,
help="Renumber residues from 1")
cmdline.addOption(short_flag="k",
long_flag="keep_temp",
action="store_true",
default=False,
help="Keep temporary files")
cmdline.addOption(short_flag="s",
long_flag="skip",
action="store_true",
default=True,
help="skip messed up pdb files")
cmdline.addOption(short_flag="f",
long_flag="fix_atoms",
action="store_false",
default=True,
help="fix atoms in original file")
cmdline.addOption(short_flag="n",
long_flag="num_steps",
action="store",
default=500,
help="number of minimization steps",
nargs=1)
file_list, options = cmdline.parseCommandLine()
# Parse command line options
if options.chains == None:
chains = "all"
else:
chains = cmdline.readFile(options.chains)
suffix = options.out_suffix
renumber_residues = options.renumber_residues
keep_temp = options.keep_temp
fix_atoms = options.fix_atoms
num_steps = options.num_steps
for pdb_file in file_list:
f = open(pdb_file,'r')
pdb = f.readlines()
f.close()
print "Loading %s" % pdb_file
pdb_id = pdb_file[:-4]
try:
pdb = pdbClean(pdb,pdb_id,chains,renumber_residues,keep_temp,
fix_atoms,num_steps)
except PdbCleanError, (strerror):
err = "Error cleaning \"%s\"\n%s\n" % (pdb_file,strerror)
print err,
if options.skip:
g = open("error.log","a")
g.write(err)
g.close()
continue
else:
sys.exit()
out_file = "%s_%s.pdb" % (pdb_id,suffix)
g = open(out_file,"w")
g.writelines(pdb)
g.close()
print "Cleaned pdb written to %s" % out_file
