# --- UCSF Chimera Copyright --- # Copyright (c) 2000 Regents of the University of California. # All rights reserved. This software provided pursuant to a # license agreement containing restrictions on its disclosure, # duplication and use. This notice must be embedded in or # attached to all copies, including partial copies, of the # software or any revisions or derivations thereof. # --- UCSF Chimera Copyright --- # This script is generated by the Modeller Dialog in Chimera, # incorporating the settings from the user interface. User can revise # this script and submit the modified one into the Advanced Option panel. # Import the Modeller module from modeller import * from modeller.automodel import * from modeller.parallel import * # ---------------------- namelist.dat -------------------------------- # A "namelist.dat" file contains the file names, which was output from # the Modeller dialog in Chimera based on user's selection. # The first line it the name of the target sequence, the remaining # lines are name of the template structures namelist = open( 'namelist.dat', 'r' ).read().split('\n') tarSeq = namelist[0] template = tuple( [ x.strip() for x in namelist[1:] if x != '' ] ) # ---------------------- namelist.dat -------------------------------- j = job(host = 'localhost') j.append(local_slave()) j.append(local_slave()) j.append(local_slave()) j.append(local_slave()) j.append(local_slave()) j.append(local_slave()) #j.append(local_slave()) #j.append(local_slave()) # create a new Modeller environment env = environ() env.io.hetatm = True env.io.hydrogen = True # Directory of atom/PDB/structure files. It is a relative path, inside # a temp folder generated by Chimera. User can modify it and add their # absolute path containing the structure files. env.io.atom_files_directory = ['.', './template_struc'] a = automodel(env, sequence = tarSeq, # alignment file with template codes and target sequence alnfile = 'alignment.ali', # PDB codes of the templates knowns = template) # index of the first model a.starting_model = 1 # index of the last model a.ending_model = 5 loopRefinement = False # perform thorough optimization a.library_schedule = autosched.normal a.max_var_iterations = 500 a.md_level = refine.slow # Assesses the quality of models using # the DOPE (Discrete Optimized Protein Energy) method (Shen & Sali 2006) # and the GA341 method (Melo et al 2002, John & Sali 2003) a.assess_methods = (assess.DOPEHR) # ------------------------- build all models -------------------------- a.use_parallel_job(j) a.make() # ---------- Accesing output data after modeling is complete ---------- # Get a list of all successfully built models from a.outputs ok_models = [x for x in a.outputs if x['failure'] is None] key = 'DOPE-HR score' ok_models.sort(key=lambda a: a[key]) # Output the list of ok_models to file ok_models.dat fMoutput = open('ok_models.dat', 'w') fMoutput.write('File name of aligned model\t DOPEHR\n') for m in ok_models: results = '%s\t' % m['name'] results += '%.5f\n' % m['DOPE-HR score'] fMoutput.write( results ) fMoutput.close()