def test_reduce(self):
"""Reduce test"""
if self.local: self.log.add('Loading PDB...')
self.m1 = PDBModel(T.testRoot('lig/1A19_dry.model'))
rec = T.load(T.testRoot('com/rec.model'))
lig = T.load(T.testRoot('com/lig.model'))
self.m2 = rec.concat(lig)
if self.local: self.log.add('Starting Reduce')
self.x = Reduce(self.m1, debug=self.DEBUG, verbose=self.local)
if self.local:
self.log.add('Running')
self.r = self.x.run()
if self.local:
self.log.add("Result: ")
self.log.add(self.r.report(prnt=False))
if self.local:
self.log.add('Reduce protein complex')
self.x = Reduce(self.m2,
debug=self.DEBUG,
verbose=self.local,
autocap=True)
self.r2 = self.x.run()
def test_Xplorer(self):
"""Xplorer test"""
## input template variables
param = T.dataRoot() + '/xplor/toppar/param19.pro'
pdb_out = self.dir_out + '/lig.pdb'
log_out = self.dir_out + '/test.out'
pdb_in = T.testRoot() + '/lig/1A19.pdb'
psf_in = T.testRoot() + '/lig/1A19.psf'
self.x = Xplorer(self.dir_out + '/test.inp',
xout=log_out,
verbose=self.local,
lig_psf=psf_in,
lig_pdb=pdb_in,
param19=param,
lig_out=pdb_out)
self.x.run()
if self.local:
print("""
The minimized structure and the X-Plor log file
have been written to %s and %s, respectively
""" % (pdb_out, log_out))
print("""See x.logLines for the complete xplor log file!""")
def test_tmalign(self):
"""TMAlign test"""
from biskit import PDBModel
if self.local: print('Loading PDB...')
self.m1 = PDBModel(T.testRoot('tmalign/1huy_citrine.model'))
self.m2 = PDBModel(T.testRoot('tmalign/1zgp_dsred_dimer.model'))
if self.local: print('Starting TMAlign')
self.x = TMAlign(self.m1,
self.m2,
debug=self.DEBUG,
verbose=self.local)
if self.local:
print('Running')
self.r = self.x.run()
if self.local:
print("Result: ")
for key, value in self.r.items():
print('\t', key, ':\t', value)
self.assertEqual(self.r['rmsd'], 1.76)
def test_Xplorer( self ):
"""Xplorer test"""
## input template variables
param = T.dataRoot() + '/xplor/toppar/param19.pro'
pdb_out = self.dir_out +'/lig.pdb'
log_out = self.dir_out +'/test.out'
pdb_in = T.testRoot() + '/lig/1A19.pdb'
psf_in = T.testRoot() + '/lig/1A19.psf'
self.x = Xplorer( self.dir_out +'/test.inp',
xout = log_out,
verbose = self.local,
lig_psf = psf_in,
lig_pdb = pdb_in,
param19 = param,
lig_out = pdb_out )
self.x.run()
if self.local:
print("""
The minimized structure and the X-Plor log file
have been written to %s and %s, respectively
""" % (pdb_out, log_out))
print("""See x.logLines for the complete xplor log file!""")
def test_tmalign( self ):
"""TMAlign test"""
from biskit import PDBModel
if self.local: print('Loading PDB...')
self.m1 = PDBModel( T.testRoot( 'tmalign/1huy_citrine.model' ) )
self.m2 = PDBModel( T.testRoot('tmalign/1zgp_dsred_dimer.model' ) )
if self.local: print('Starting TMAlign')
self.x = TMAlign( self.m1, self.m2, debug=self.DEBUG,
verbose=self.local )
if self.local:
print('Running')
self.r = self.x.run()
if self.local:
print("Result: ")
for key, value in self.r.items():
print('\t', key, ':\t', value)
self.assertEqual( self.r['rmsd'], 1.76 )
def test_atomcharger( self ):
"""AtomCharger test"""
import biskit.tools as T
if self.local: self.log.add('\nLoading PDB...')
self.m1 = PDBModel( T.testRoot('delphi/1A19_reduced.model'))
self.m2 = PDBModel( T.testRoot('delphi/complex_reduced.model'))
if self.local:
self.log.add('\nSetup Residue Library\n')
ac = AtomCharger(log=self.log, verbose=self.local)
if self.local:
self.log.add('match residues to Amber topology')
ac.charge( self.m1 )
ac.charge( self.m2 )
self.assertAlmostEqual( N.sum(self.m1['partial_charge']), -6, 2 )
self.assertAlmostEqual( N.sum(self.m2['partial_charge']), -4, 2 )
self.assertTrue(N.all(self.m1['partial_charge'] != 0),'unmatched atoms 1')
self.assertTrue(N.all(self.m2['partial_charge'] != 0),'unmatched atoms 2')
if self.local:
self.log.add('\nNow test handling of atom miss-matches:\n')
self.m3 = PDBModel(self.m1.clone())
self.m3.remove( [0,3,100,101,102,200] )
ac.charge( self.m3 )
self.assertAlmostEqual( N.sum(self.m3['partial_charge']),-8.21, 2)
def test_atomcharger(self):
"""AtomCharger test"""
import biskit.tools as T
if self.local: self.log.add('\nLoading PDB...')
self.m1 = PDBModel(T.testRoot('delphi/1A19_reduced.model'))
self.m2 = PDBModel(T.testRoot('delphi/complex_reduced.model'))
if self.local:
self.log.add('\nSetup Residue Library\n')
ac = AtomCharger(log=self.log, verbose=self.local)
if self.local:
self.log.add('match residues to Amber topology')
ac.charge(self.m1)
ac.charge(self.m2)
self.assertAlmostEqual(N.sum(self.m1['partial_charge']), -6, 2)
self.assertAlmostEqual(N.sum(self.m2['partial_charge']), -4, 2)
self.assertTrue(N.all(self.m1['partial_charge'] != 0),
'unmatched atoms 1')
self.assertTrue(N.all(self.m2['partial_charge'] != 0),
'unmatched atoms 2')
if self.local:
self.log.add('\nNow test handling of atom miss-matches:\n')
self.m3 = PDBModel(self.m1.clone())
self.m3.remove([0, 3, 100, 101, 102, 200])
ac.charge(self.m3)
self.assertAlmostEqual(N.sum(self.m3['partial_charge']), -8.21, 2)
def test_ComplexRandomizer(self):
"""Dock.ComplexRandomizer test"""
from biskit.md import Trajectory
if self.local:
print("\nLoading Rec and Lig files ...", end=' ')
rec_pdb = t.testRoot() + '/rec/1A2P.pdb'
lig_pdb = t.testRoot() + '/lig/1A19.pdb'
rec_psf = t.testRoot() + '/rec/1A2P.psf'
lig_psf = t.testRoot() + '/lig/1A19.psf'
rec = XplorModel( rec_psf, rec_pdb )
lig = XplorModel( lig_psf, lig_pdb )
if self.local:
print("Initializing Randomizer...")
self.cr = ComplexRandomizer( rec, lig, debug=self.DEBUG )
if self.local:
print("Creating 3 random complexes...")
cs = [ self.cr.random_complex() for i in range(3) ]
self.traj = Trajectory( [ c.model() for c in cs ], verbose=self.local )
if self.local:
self.display( self.traj )
globals().update( locals() )
self.assertEqual( len(self.traj), 3 )
def test_XplorModel(self):
"""XplorModel test"""
## Loading PDB...
self.m_com = XplorModel(t.testRoot() + "/com/1BGS.psf",
t.testRoot() + "/com/1BGS.pdb")
self.m_rec = XplorModel(t.testRoot() + "/rec/1A2P.psf",
t.testRoot() + "/rec/1A2P.pdb")
## remove waters
self.m_com = self.m_com.compress(self.m_com.maskProtein())
self.m_rec = self.m_rec.compress(self.m_rec.maskProtein())
## fit the complex structure to the free receptor
m_com_fit = self.m_com.magicFit(self.m_rec)
## calculate the rmsd between the original complex and the
## one fitted to the free receptor
rms = m_com_fit.rms(self.m_com, fit=0)
if self.local:
print('Rmsd between the two complex structures: %.2f Angstrom' %
rms)
self.assertAlmostEqual(rms, 58.7844130314, 4)
def test_TrajParserNetCDF(self):
"""TrajParserNetCDF test"""
fcrd = T.testRoot('amber/md_netcdf/heat.ncdf')
fpdb = T.testRoot('amber/md_netcdf/0.pdb')
self.assertTrue(TrajParseNetCDF.supports(fcrd))
p = TrajParseNetCDF()
t = p.parse2new(fcrd, fpdb)
self.assertEqual(t.lenAtoms(), 365)
self.assertEqual(len(t), 6)
def test_TrajParserAmberCrd(self):
"""TrajParserNetCDF test"""
fcrd = T.testRoot('lig_pcr_00/raw/traj.crd')
fpdb = T.testRoot('lig_pcr_00/raw/traj_ref.pdb')
self.assertTrue( TrajParseAmberCrd.supports(fcrd))
p = TrajParseAmberCrd(hasbox=False)
t = p.parse2new( fcrd, fpdb)
self.assertEqual(t.lenAtoms(),876)
self.assertEqual(len(t),100)
def prepare(self):
root = T.testRoot('amber/leap/')
self.ref = PDBModel( T.testRoot('amber/leap/1HPT_solvated.pdb'))
self.refdry = root + '1HPT_dry.pdb'
self.dryparm = tempfile.mktemp('.parm', 'dry_')
self.drycrd = tempfile.mktemp('.crd', 'dry_')
self.drypdb = tempfile.mktemp('.pdb', 'dry_')
self.wetparm = tempfile.mktemp('.parm', 'wet_')
self.wetcrd = tempfile.mktemp('.crd', 'wet_')
self.wetpdb = tempfile.mktemp('.pdb', 'wet_')
self.leapout = tempfile.mktemp('.out', 'leap_')
def prepare(self):
root = T.testRoot('amber/leap/')
self.ref = PDBModel( T.testRoot('amber/leap/1HPT_solvated.pdb'))
self.refdry = root + '1HPT_dry.pdb'
self.dryparm = tempfile.mktemp('.parm', 'dry_')
self.drycrd = tempfile.mktemp('.crd', 'dry_')
self.drypdb = tempfile.mktemp('.pdb', 'dry_')
self.wetparm = tempfile.mktemp('.parm', 'wet_')
self.wetcrd = tempfile.mktemp('.crd', 'wet_')
self.wetpdb = tempfile.mktemp('.pdb', 'wet_')
self.leapout = tempfile.mktemp('.out', 'leap_')
def test_ComplexVC(self):
"""Dock.ComplexVC test"""
import time
import biskit.tools as T
c = T.load( T.testRoot() + '/com/ref.complex' )
self.ce= ComplexVC( c.rec_model, c.lig(), c,
info={'comment':'test'} )
time.sleep( 2 )
lig = self.ce.lig().transform( MU.randomRotation(), [0,0,0] )
self.ce2 = ComplexVC( self.ce.rec_model, lig, self.ce,
info={'comment':'test2'})
if self.local:
print('\nFound %i versions of the complex: ' % len(self.ce2))
for x in self.ce2:
print('\t* ' + x['date'])
print('Comments: ', self.ce2.valuesOf('comment'))
self.assertEqual( self.ce2.valuesOf('comment'),
[None, 'test', 'test2'])
def test_molUtils( self ):
"""molUtils test"""
from biskit import PDBModel
S = self
## load a structure
S.m = PDBModel( t.testRoot('lig/1A19.pdb' ))
S.model_1 = S.m.compress( S.m.maskProtein() )
## now sort in standard order
S.model_2 = sortAtomsOfModel( S.model_1)
## compare the atom order
cmp = []
for a in S.model_1.atomRange():
cmp += [ cmpAtoms( S.model_1.atoms[a], S.model_2.atoms[a] )]
self.assertEqual( N0.sum(cmp), 159 )
## get the primaty sequence as a string
S.seq = S.model_1.sequence()
## convert it to a list of three letter code
S.seq=single2longAA(S.seq)
## convert it to a list in one letter code
S.seq=singleAA(S.seq)
self.assertEqual( ''.join(S.seq), S.model_1.sequence() )
def test_ComplexTraj(self):
"""Dock.ComplexTraj test"""
import biskit.tools as T
## there is no complex trajectory in the test folder so will have
## to create a fake trajectory with a complex
f = [T.testRoot() + '/com/1BGS.pdb'] * 5
t = Trajectory(f, verbose=self.local)
t = ComplexTraj(t, recChains=[0])
#if self.local:
#print 'plotting contact density...'
#t.plotContactDensity( step=2 )
## create a fake second chain in the ligand
for i in range(1093 + 98, 1968):
t.ref.atoms['chain_id'][i] = 'B'
t.ref.chainIndex(force=1, cache=1)
t.cl = [1, 2]
r = N0.concatenate(
(list(range(1093,
1191)), list(range(0, 1093)), list(range(1191, 1968))))
tt = t.takeAtoms(r)
contactMat = tt.atomContacts(1)
if self.local:
print('Receptor chains: %s Ligand chains: %s' % (t.cr, t.cl))
self.assertEqual(N0.sum(N0.ravel(contactMat)), 308)
def test_ComplexVC(self):
"""Dock.ComplexVC test"""
import time
import biskit.tools as T
c = T.load(T.testRoot() + '/com/ref.complex')
self.ce = ComplexVC(c.rec_model, c.lig(), c, info={'comment': 'test'})
time.sleep(2)
lig = self.ce.lig().transform(MU.randomRotation(), [0, 0, 0])
self.ce2 = ComplexVC(self.ce.rec_model,
lig,
self.ce,
info={'comment': 'test2'})
if self.local:
print('\nFound %i versions of the complex: ' % len(self.ce2))
for x in self.ce2:
print('\t* ' + x['date'])
print('Comments: ', self.ce2.valuesOf('comment'))
self.assertEqual(self.ce2.valuesOf('comment'), [None, 'test', 'test2'])
def test_Capping(self):
"""PDBCleaner.capTerminals test"""
## Loading PDB...
self.model = PDBModel(t.testRoot() + '/rec/1A2P_rec_original.pdb')
self.c = PDBCleaner(self.model, log=self.log, verbose=self.local)
self.m2 = self.c.capTerminals(breaks=True)
self.assertTrue(self.m2.atomNames() == self.model.atomNames())
self.m3 = self.model.clone()
self.m3.removeRes([10, 11, 12, 13, 14, 15])
self.m4 = self.m3.clone()
self.c = PDBCleaner(self.m3, log=self.log, verbose=self.local)
self.m3 = self.c.capTerminals(breaks=True, capC=[0], capN=[0, 1])
self.assertEqual(
self.m3.takeChains([0]).sequence()[:18], 'XVINTFDGVADXXKLPDN')
if self.local:
self.log.add('\nTesting automatic chain capping...\n')
self.c = PDBCleaner(self.m4, log=self.log, verbose=self.local)
self.m4 = self.c.capTerminals(auto=True)
self.assertEqual(
self.m4.takeChains([0]).sequence()[:18], 'XVINTFDGVADXXKLPDN')
def test_delphiCharges2( self ):
"""
PDB2DelphiCharges test
"""
if self.local:
T.errWrite( 'loading PDB...' )
self.m1 = self.MODEL or PDBModel( T.testRoot( 'lig/1A19_dry.model' ) )
Test.MODEL = self.m1
if self.local:
T.errWriteln( 'Done.' )
if self.local:
T.errWrite( 'Adding hydrogens to model (reduce)...' )
self.rmodel = Reduce( self.m1, verbose=self.local ).run()
self.rmodel.xplor2amber()
if self.local:
T.errWriteln( 'Done.' )
ac = AtomCharger()
ac.charge(self.rmodel)
self.rmodel.addChainFromSegid()
self.dc = PDB2DelphiCharges( self.rmodel )
self.dc.prepare()
self.assertEqual( len(self.dc.resmap['LYS']), 2 ) # normal and N'
self.assertEqual( len(self.dc.resmap['SER']), 2 ) # normal and C'
if self.local:
T.errWriteln( 'writing delphi charge file to %s' % self.fcrg )
self.dc.tofile( self.fcrg )
self.assertTrue( os.path.exists( self.fcrg ) )
def test_surfaceRacerBug(self):
"""PDBDope.addSurfaceRacer mask handling bugfix"""
import os
from biskit import PDBModel
m = PDBModel(os.path.join(T.testRoot(), 'lig/1A19.pdb'))
d = PDBDope(m)
d.addSurfaceRacer()
def test_ComplexVCList(self):
"""Dock.ComplexVCList test"""
import biskit.tools as T
from biskit.dock import ComplexVC
from biskit.dock import ComplexVCList
## original complex
cl = T.load( T.testRoot() + "/dock/hex/complexes.cl" )
## first evolution step
c = ComplexVC( cl[0].rec(), cl[0].lig(), cl[0],
info={'comment':'test1'})
## second evolution step
c = ComplexVC( c.rec(), c.lig(), c,
info={'comment':'test2'})
## create an evolving complex list
cl = ComplexVCList( [c, c] )
if self.local:
## last version of all complexes in list
print(cl.valuesOf('comment'))
## version 1
print(cl.valuesOf('comment', version=1))
## the first complex in the list
print(cl[0].valuesOf('comment'))
globals().update( locals() )
self.assertEqual( (cl.valuesOf('comment'), cl[0].valuesOf('comment')),
(['test2', 'test2'], [None, 'test1', 'test2']) )
def test_Capping( self ):
"""PDBCleaner.capTerminals test"""
## Loading PDB...
self.model = PDBModel(t.testRoot() + '/rec/1A2P_rec_original.pdb')
self.c = PDBCleaner( self.model, log=self.log, verbose=self.local )
self.m2 = self.c.capTerminals( breaks=True )
self.assertTrue( self.m2.atomNames() == self.model.atomNames() )
self.m3 = self.model.clone()
self.m3.removeRes( [10,11,12,13,14,15] )
self.m4 = self.m3.clone()
self.c = PDBCleaner( self.m3, log=self.log, verbose=self.local )
self.m3 = self.c.capTerminals( breaks=True, capC=[0], capN=[0,1])
self.assertEqual( self.m3.takeChains([0]).sequence()[:18],
'XVINTFDGVADXXKLPDN' )
if self.local:
self.log.add( '\nTesting automatic chain capping...\n' )
self.c = PDBCleaner( self.m4, log=self.log, verbose=self.local )
self.m4 = self.c.capTerminals( auto=True )
self.assertEqual( self.m4.takeChains([0]).sequence()[:18],
'XVINTFDGVADXXKLPDN' )
def setUpClass(cls):
cls.filepath = tools.testRoot() + "consScore"
with open((cls.filepath + os.sep + 'CDC48Aseq.txt'), 'r') as file:
arabidopsisCDC48A = file.read()
cls.CDC48A = oma.OrthologFinder(arabidopsisCDC48A)
with open((cls.filepath + os.sep + 'OMA_get_id.txt'), 'r') as file:
OMA_id_response = file.read()
cls.response = bytes(OMA_id_response, 'utf-8')
with open((cls.filepath + os.sep + 'orhtolog_response.txt'),
'r') as file:
ortho_response = file.read()
cls.oresponse = bytes(ortho_response, 'utf-8')
with open((cls.filepath + os.sep + 'fasta_response.txt'), 'r') as file:
fasta_response = file.read()
cls.fresponse = bytes(fasta_response, 'utf-8')
with open((cls.filepath + os.sep + 'ATN1_HOGS.txt'), 'r') as file:
HOG_response = file.read()
cls.hresponse = bytes(HOG_response, 'utf-8')
with open((cls.filepath + os.sep + 'hog_content.txt'), 'r') as file:
level_response = file.read()
cls.lvlresponse = bytes(level_response, 'utf-8')
def test_ComplexTraj(self):
"""Dock.ComplexTraj test"""
import biskit.tools as T
## there is no complex trajectory in the test folder so will have
## to create a fake trajectory with a complex
f = [ T.testRoot()+ '/com/1BGS.pdb' ] * 5
t = Trajectory( f, verbose=self.local )
t = ComplexTraj( t, recChains=[0] )
#if self.local:
#print 'plotting contact density...'
#t.plotContactDensity( step=2 )
## create a fake second chain in the ligand
for i in range( 1093+98, 1968 ):
t.ref.atoms['chain_id'][i] = 'B'
t.ref.chainIndex( force=1, cache=1 )
t.cl = [1,2]
r = N0.concatenate((list(range(1093,1191)), list(range(0,1093)), list(range(1191,1968))))
tt = t.takeAtoms( r )
contactMat = tt.atomContacts( 1 )
if self.local:
print('Receptor chains: %s Ligand chains: %s'%(t.cr, t.cl))
self.assertEqual( N0.sum(N0.ravel(contactMat)), 308 )
def test_Ramachandran(self):
"""Ramachandran test"""
import numpy as N
self.traj = T.load(T.testRoot('/lig_pcr_00/traj.dat'))
self.traj.ref.atoms.set('mass', self.traj.ref.masses())
self.mdls = [self.traj[0], self.traj[11]]
self.mdls = [m.compress(m.maskProtein()) for m in self.mdls]
self.rama = Ramachandran(self.mdls,
name='test',
profileName='mass',
verbose=self.local)
self.psi = N.array(self.rama.psi)
if self.local:
self.rama.show()
## remove NaN or None
self.psi = N.compress(N.logical_not(N.equal(self.psi, None)), self.psi)
r = round(N.sum(N.round(N.array(self.psi, float), 3)), 2)
self.assertAlmostEqual(r, -11718.22, 2)
def test_delphiCharges2(self):
"""
PDB2DelphiCharges test
"""
if self.local:
T.errWrite('loading PDB...')
self.m1 = self.MODEL or PDBModel(T.testRoot('lig/1A19_dry.model'))
Test.MODEL = self.m1
if self.local:
T.errWriteln('Done.')
if self.local:
T.errWrite('Adding hydrogens to model (reduce)...')
self.rmodel = Reduce(self.m1, verbose=self.local).run()
self.rmodel.xplor2amber()
if self.local:
T.errWriteln('Done.')
ac = AtomCharger()
ac.charge(self.rmodel)
self.rmodel.addChainFromSegid()
self.dc = PDB2DelphiCharges(self.rmodel)
self.dc.prepare()
self.assertEqual(len(self.dc.resmap['LYS']), 2) # normal and N'
self.assertEqual(len(self.dc.resmap['SER']), 2) # normal and C'
if self.local:
T.errWriteln('writing delphi charge file to %s' % self.fcrg)
self.dc.tofile(self.fcrg)
self.assertTrue(os.path.exists(self.fcrg))
def test_TrajCluster(self):
"""TrajCluster test"""
from biskit.md import traj2ensemble
traj = T.load( T.testRoot()+'/lig_pcr_00/traj.dat')
traj = traj2ensemble( traj )
aMask = traj.ref.mask( lambda a: a['name'] in ['CA','CB','CG'] )
traj = traj.thin( 1 )
traj.fit( aMask, verbose=self.local )
self.tc = TrajCluster( traj, verbose=self.local )
## check how many clusters that are needed with the given criteria
n_clusters = self.tc.calcClusterNumber( min_clst=3, max_clst=15,
rmsLimit=0.7, aMask=aMask )
## cluster
self.tc.cluster( n_clusters, aMask=aMask )
if self.local:
member_frames = self.tc.memberFrames()
print('There are %i clusters where the members are:'%n_clusters)
for i in range(n_clusters):
print('Cluster %i (%i members): %s'%( i+1,
len(member_frames[i]),
member_frames[i] ))
def test_surfaceRacerBug(self):
"""PDBDope.addSurfaceRacer mask handling bugfix"""
import os
from biskit import PDBModel
m = PDBModel(os.path.join(T.testRoot(),'lig/1A19.pdb'))
d = PDBDope(m)
d.addSurfaceRacer()
def test_hexTools(self):
"""Dock.hexTools test"""
from biskit import PDBModel
self.m = PDBModel(t.testRoot() + '/com/1BGS.pdb')
dist = centerSurfDist(self.m, self.m.maskCA())
self.assertAlmostEqual(dist[0], 26.880979538, 7)
def prepare(self):
from biskit import PDBModel
self.f = T.testRoot() + '/com/1BGS.pdb'
self.M = PDBModel( self.f )
self.M = self.M.compress( self.M.maskProtein() )
self.d = PDBDope( self.M )
def prepare(self):
from biskit import PDBModel
self.f = T.testRoot() + '/com/1BGS.pdb'
self.M = PDBModel(self.f)
self.M = self.M.compress(self.M.maskProtein())
self.d = PDBDope(self.M)
def test_DNACleaning( self ):
"""PDBCleaner DNA test"""
## Loading PDB...
self.c = PDBCleaner( t.testRoot() + 'amber/entropy/0_com.pdb',
log=self.log, verbose=self.local )
self.dna = self.c.process(amber=True)
self.assertAlmostEqual( self.dna.mass(), 26953.26, 1 )
def test_capping_extra( self ):
"""PDBCleaner.capTerminals extra challenge"""
self.m2 = PDBModel( t.testRoot() + '/pdbclean/foldx_citche.pdb' )
self.c = PDBCleaner( self.m2, verbose=self.local, log=self.log)
self.assertRaises(CappingError, self.c.capTerminals, auto=True)
if self.local:
self.log.add('OK: CappingError has been raised indicating clash.' )
self.assertEqual( len(self.m2.takeChains([1]).chainBreaks()), 1 )
def test_capping_internal(self):
self.m3 = PDBModel(t.testRoot('pdbclean/foldx_citche.pdb'))
self.m3 = self.m3.takeChains([1]) # pick second chain; has chain break
self.c3 = PDBCleaner(self.m3, verbose=self.local, log=self.log)
m = self.c3.capACE(self.m3, 1, checkgap=False)
self.assertEqual(
m.lenChains(breaks=True) - 1, self.m3.lenChains(breaks=True))
def test_ExeConfig_externalPath(self):
"""ExeConfig using external path"""
x = ExeConfig('ls',configpath=[T.testRoot('exe')])
x.validate()
if self.local:
print(x.bin)
self.assertTrue('ls' in x.bin)
def test_capping_internal(self):
self.m3 = PDBModel(t.testRoot('pdbclean/foldx_citche.pdb'))
self.m3 = self.m3.takeChains([1]) # pick second chain; has chain break
self.c3 = PDBCleaner(self.m3, verbose=self.local, log=self.log)
m = self.c3.capACE(self.m3, 1, checkgap=False)
self.assertEqual(m.lenChains(breaks=True) -1,
self.m3.lenChains(breaks=True))
def test_capping_extra(self):
"""PDBCleaner.capTerminals extra challenge"""
self.m2 = PDBModel(t.testRoot() + '/pdbclean/foldx_citche.pdb')
self.c = PDBCleaner(self.m2, verbose=self.local, log=self.log)
self.assertRaises(CappingError, self.c.capTerminals, auto=True)
if self.local:
self.log.add('OK: CappingError has been raised indicating clash.')
self.assertEqual(len(self.m2.takeChains([1]).chainBreaks()), 1)
def test_DNACleaning(self):
"""PDBCleaner DNA test"""
## Loading PDB...
self.c = PDBCleaner(t.testRoot() + 'amber/entropy/0_com.pdb',
log=self.log,
verbose=self.local)
self.dna = self.c.process(amber=True)
self.assertAlmostEqual(self.dna.mass(), 26953.26, 1)
def test_tmalignTransform( self ):
"""TMAlign.applyTransformation test"""
m = T.load( T.testRoot( 'tmalign/1huy_citrine.model' ) )
ref = T.load( T.testRoot( 'tmalign/1zgp_dsred_dimer.model' ) )
ref = ref.takeChains( [0] )
tm = TMAlign( m, ref, debug=self.DEBUG, verbose=self.local )
tm.run()
self.maligned = tm.applyTransformation()
diff = self.maligned.centerOfMass() - ref.centerOfMass()
if self.VERBOSITY > 2 or self.local:
print('center of mass deviation: \n%r' % diff)
self.maligned.concat( ref ).plot()
self.assertTrue( N.all( N.absolute(diff) < 1 ),
'superposition failed: \n%r' % diff)
def setUpClass(cls):
cls.filepath = tools.testRoot() + "consScore"
with open((cls.filepath + os.sep + 'CDC48Aseq.txt'), 'r') as file:
arabidopsisCDC48A = file.read()
cls.CDC48A = seq2conservation.ConservationPipe(arabidopsisCDC48A,
cache=False)
with open((cls.filepath + os.sep + 'multiFasta.fasta'), 'r') as file:
cls.ex_seq = file.read()
def test_tmalignTransform(self):
"""TMAlign.applyTransformation test"""
m = T.load(T.testRoot('tmalign/1huy_citrine.model'))
ref = T.load(T.testRoot('tmalign/1zgp_dsred_dimer.model'))
ref = ref.takeChains([0])
tm = TMAlign(m, ref, debug=self.DEBUG, verbose=self.local)
tm.run()
self.maligned = tm.applyTransformation()
diff = self.maligned.centerOfMass() - ref.centerOfMass()
if self.VERBOSITY > 2 or self.local:
print('center of mass deviation: \n%r' % diff)
self.maligned.concat(ref).plot()
self.assertTrue(N.all(N.absolute(diff) < 1),
'superposition failed: \n%r' % diff)
def test_PDBCleaner(self):
"""PDBCleaner general test"""
## Loading PDB...
self.c = PDBCleaner(t.testRoot() + '/rec/1A2P_rec_original.pdb',
log=self.log,
verbose=self.local)
self.m = self.c.process()
self.assertAlmostEqual(self.m.mass(), 34029.0115499993, 7)
def test_PDBParseModel(self):
"""PDBParseModel test"""
## loading output file from X-plor
if self.local:
print('Loading pdb file ..')
self.p = PDBParseModel()
self.m = self.p.parse2new(B.PDBModel(T.testRoot() + '/rec/1A2P.pdb'))
self.assertAlmostEqual(N0.sum(self.m.centerOfMass()), 113.682601929, 2)
def test_PDBCleaner( self ):
"""PDBCleaner general test"""
## Loading PDB...
self.c = PDBCleaner( t.testRoot() + '/rec/1A2P_rec_original.pdb',
log=self.log,
verbose=self.local)
self.m = self.c.process()
self.assertAlmostEqual( self.m.mass(), 34029.0115499993, 7 )
def test_PDBParseModel( self ):
"""PDBParseModel test"""
## loading output file from X-plor
if self.local:
print('Loading pdb file ..')
self.p = PDBParseModel()
self.m = self.p.parse2new( B.PDBModel(T.testRoot()+'/rec/1A2P.pdb') )
self.assertAlmostEqual( N0.sum( self.m.centerOfMass() ),
113.682601929, 2 )
def dry_or_wet_run( self, run=True ):
""" """
import time, os
import os.path
ligDic = t.load(t.testRoot('/dock/lig/1A19_model.dic'))
recDic = t.load(t.testRoot('/dock/rec/1A2P_model.dic'))
self.d = Docker( recDic, ligDic, out=self.out_folder,
verbose=self.local )
# dock rec 1 vs. lig 2 on localhost
fmac1, fout = self.d.createHexInp( 1, 1 )
if run:
self.d.runHex( fmac1, log=1, ncpu=6 )
if self.local: print("ALL jobs submitted.")
self.d.waitForLastHex()
self.assertEqual(self.d.hexFailed, 0, 'Hex exited with error')
self.assertTrue(len(self.d.result) > 1, 'no results collected')
def prepare(self):
from biskit import PDBModel
self.f = T.testRoot() + '/com/1BGS.pdb'
if not Test.M:
if self.local: print("Loading PDB...", end=' ')
Test.M = PDBModel( self.f )
Test.M = self.M.compress( Test.M.maskProtein() )
if self.local: print("Done")
self.d = PDBDope( self.M )
def test_amberEntropist( self ):
"""AmberEntropist test"""
import biskit.tools as T
self.a = AmberEntropist( T.testRoot('/amber/entropy/com_fake.etraj'),
verbose=self.local, debug=self.DEBUG,
log=self.log)
self.r = self.a.run()
self.assertTrue( abs(int(self.r['S_total']) - 398) < 2 )
self.assertAlmostEqual( self.r['mass'], 3254, 0 )
self.assertAlmostEqual( self.r['S_vibes'], 298, 0 )
self.assertEqual( int(self.r['S_rot']), 50 )
self.assertEqual( int(self.r['nframes']), 44 )
def prepare(self):
from biskit import PDBModel
self.f = T.testRoot() + '/com/1BGS.pdb'
if not Test.M:
if self.local: print("Loading PDB...", end=' ')
Test.M = PDBModel(self.f)
Test.M = self.M.compress(Test.M.maskProtein())
if self.local: print("Done")
self.d = PDBDope(self.M)
def test_delphi(self):
"""Delphi test"""
if self.local: print('Loading PDB...')
self.m1 = self.MODEL or PDBModel(T.testRoot('lig/1A19_dry.model'))
Test.MODEL = self.m1
self.m1.addChainFromSegid()
if self.local: print('Starting Delphi')
self.x = Delphi(self.m1,
scale=1.2,
debug=self.DEBUG,
verbose=self.local,
f_map=self.fmap)
if self.local:
print('Running')
self.r = self.x.run()
if self.local:
print("Result: ")
print(self.r)
expect_delphi_v5 = {
'scharge': 1.427,
'egrid': 9091.,
'ecoul': -9870,
'eself': -20420,
'erxn': -666.7
}
expect_delphi_v6 = {
'scharge': 1.426,
'egrid': 8765.,
'ecoul': -10335.,
'eself': -20420.,
'erxn': -664.
}
## 'erxnt': -21083. }
expect = expect_delphi_v6
if self.local:
print("verifying results... ")
print("Note: numeric values can differ on different hardware.")
for k, v in list(expect.items()):
self.assertAlmostEqual(expect[k], self.r[k], -1)
self.assertTrue(os.path.exists(self.fmap), 'Potential map not found')
self.assertTrue(
os.path.getsize(self.fmap) > 1000, 'empty potential map')
def test_bindingE( self ):
"""bindingEnergyDelphi test (Barnase:Barstar)"""
self.com = T.load( T.testRoot() + '/com/ref.complex' )
self.dG = DelphiBindingEnergy( self.com, log=self.log, scale=1.2,
verbose=self.local )
self.r = self.dG.run()
## self.assertAlmostEqual( self.r['dG_kt'], 21., 0 )
self.assertTrue( abs(self.r['dG_kt'] - 24.6) < 4 )
if self.local:
self.log.add(
'\nFinal result: dG = %3.2f kcal/mol'%self.r['dG_kcal'])
def test_hexParser(self):
"""Dock.hexParser test"""
rec_dic = t.load(t.testRoot() + "/dock/rec/1A2P_model.dic")
lig_dic = t.load(t.testRoot() + "/dock/lig/1A19_model.dic")
self.h = HexParser(t.testRoot() + "/dock/hex/1A2P-1A19_hex8.out",
rec_dic, lig_dic)
c_lst = self.h.parseHex()
if self.local:
print(c_lst[1].info)
globals().update(locals())
self.assertSetEqual(
set(c_lst[1].info.keys()),
set([
'soln', 'rms', 'hex_clst', 'hex_eshape', 'model2', 'model1',
'hex_etotal', 'hex_eair', 'date'
]))
def test_errorcase1( self ):
"""bindinEnergyDelphi test (error case 01)"""
self.m = PDBModel( T.testRoot() + '/delphi/case01.pdb' )
rec = self.m.takeChains( [0,1] )
lig = self.m.takeChains( [2] )
self.com = Complex( rec, lig )
self.dG = DelphiBindingEnergy( self.com, log = self.log, scale=0.5,
verbose=self.local )
self.r = self.dG.run()
if self.local:
self.log.add(
'\nFinal result: dG = %3.2f kcal/mol'%self.r['dG_kcal'])
def test_PDBParsePickle( self ):
"""PDBParsePickle test"""
import biskit.core.oldnumeric as N0
## loading output file from X-plor
if self.local:
print('Loading pickled model ..')
self.p = PDBParsePickle()
self.m = self.p.parse2new( T.testRoot('rec/1A2P_dry.model'))
self.assertAlmostEqual( N0.sum( self.m.centerOfMass() ),
114.18037, 5)
def test_XplorModel( self ):
"""XplorModel test"""
## Loading PDB...
self.m_com = XplorModel( t.testRoot() + "/com/1BGS.psf",
t.testRoot() + "/com/1BGS.pdb" )
self.m_rec = XplorModel( t.testRoot() + "/rec/1A2P.psf",
t.testRoot() + "/rec/1A2P.pdb" )
## remove waters
self.m_com = self.m_com.compress( self.m_com.maskProtein() )
self.m_rec = self.m_rec.compress( self.m_rec.maskProtein() )
## fit the complex structure to the free receptor
m_com_fit = self.m_com.magicFit( self.m_rec )
## calculate the rmsd between the original complex and the
## one fitted to the free receptor
rms = m_com_fit.rms(self.m_com, fit=0)
if self.local:
print('Rmsd between the two complex structures: %.2f Angstrom'%rms)
self.assertAlmostEqual(rms, 58.7844130314, 4)
def test_ComplexList(self):
"""Dock.ComplexList test"""
self.cl = t.load( t.testRoot() + "/dock/hex/complexes.cl" )
## number of clusters among the 100 best (lowest rmsd) solutions
self.cl_sorted = self.cl.sortBy( 'rms' )
self.hex_clst = self.cl_sorted.valuesOf( 'hex_clst',
indices=list(range(100)),
unique=1 )
if self.local:
self.p = self.cl.plot( 'rms', 'hex_eshape', 'hex_etotal' )
self.p.show()
self.assertEqual( len( self.hex_clst ), 36)
def test_ComplexModelRegistry(self):
"""Dock.ComplexModelRegistry test"""
from biskit.dock import ComplexList
self.cl = T.load( T.testRoot() +'/dock/hex/complexes.cl' )
self.cl = self.cl.toList()
self.r = ComplexModelRegistry()
for c in self.cl[:500]:
self.r.addComplex( c )
check = self.r.getLigComplexes( self.r.ligModels()[0] )
self.assertEqual( len(check), 500 )
