molecule_list = [] # read all the molecules in a directory and adds them to a list molecule_list = glob.glob(os.getcwd() + '/*.pdb') mds.enableDiagnosticOutput() # enable verbose output for index in molecule_list: print "start of molecule: " + os.path.basename(index) ligand = [] chain = [] lig_name = [] pdb_file = open(index, 'r') basic_info() sys.stdout.flush() # read molecule from file do operation on molecule object mol = mds.readMolecule(index) mds.addHydrogens(mol) # add hydrogens to molecule object if len(ligand) == None: continue a = 0 for a in range(len(ligand)): if len(chain[a]) != 1: print "chain name is not character" chain[a] = chain[a][0] if len(ligand[a]) < 3: print " Ligand name is less than 3 characters" ligand[a] = ' ' + ligand[a] ligand_molecule = mds.extractLigand(mol, ligand[a], chain[a]) if ligand_molecule == None: print "ligand_molecule is none(not present)"
import sys import mds import glob import shutil molecule_list = [] # read all the molecules in a directory and adds them to a list molecule_list = glob.glob(os.getcwd() + '/*.pdb') mds.enableDiagnosticOutput() # enable verbose output for index in molecule_list: print "start of molecule: " + os.path.basename(index) sys.stdout.flush() # read molecule from file do operation on molecule object mol = mds.readMolecule(index) print ">> ADD HYDROGEN" sys.stdout.flush() mds.addHydrogens(mol) # add hydrogens to molecule object print "<< ADD HYDROGEN" sys.stdout.flush() print ">> Retain chain " sys.stdout.flush() chain_ids = [] chain_ids = mds.getChainIds(mol) # get chain ids from a protein - molecule print "chains present in pdb:" + str(chain_ids) if len(chain_ids) == 1: # if only one chain is present mds.retainOnlyChainAndGroup(mol, chain_ids[0], []) print "retained chain :" + chain_ids[0] else: # retains chain A and all groups mds.retainOnlyChainAndGroup(mol, "A", [])