Exemplo n.º 1
0
#!/usr/bin/python
import fpdb
import sys, os

traj = 'prod/traj.pdb'

os.system("shift_lig.py")

frame = next(fpdb.next_frame(traj))

with open("prod/a1.pdb", 'w') as ofp:
    for line in frame:
        ofp.write(line)

with open("prod/rec.pdb", 'w') as ofp:
    for resi in fpdb.fPDB(frame).topology.get_protein_residues():
        resi.write_pdb(ofp)

n = 0
with open("runspa.bash", 'w') as ofp:
    ofp.write("#!/bin/bash\n")
    ofp.write("source ~/.bashrc\n")
    while True:
        if os.path.isdir("spa_%d" % n):
            os.system("cp prod/a1.pdb spa_%d" % n)
            os.system("cp prod/rec.pdb spa_%d" % n)
            os.system("cp lig_shift.pdb spa_%d/a1_lig.pdb" % n)
            os.system("cp %s/para/SPA.amoeba.para spa_%d/SPA.para" %
                      (os.environ['SPAHOME'], n))
            ofp.write("cd spa_%d\n" % n)
            ofp.write("%s/bin/SPA_main SPA.para\n" % os.environ['SPAHOME'])
Exemplo n.º 2
0
import sys, os
import fpdb
import pickle
import matplotlib.pyplot as plt

infile = sys.argv[1]
try:
    title = sys.argv[2]
except:
    title = "RMSF"

# load coords

if True:
    coords = list()
    f1 = next(fpdb.next_frame(infile))
    for line in f1:
        if len(line) > 54 and line[17:20] in fpdb.standard_protein_residues:
            coords.append(list())

    print len(coords)

    n_frame = 0
    for frame in fpdb.next_frame(infile):
        n = 0
        for line in frame:
            if len(line
                   ) > 54 and line[17:20] in fpdb.standard_protein_residues:
                x = float(line[30:38])
                y = float(line[38:46])
                z = float(line[46:54])
Exemplo n.º 3
0
#!/usr/bin/python
import sys, os
import fpdb

infile = sys.argv[1]

a1_file = 'a1.pdb'
lig_file = 'a1_lig.pdb'
rec_file = 'rec.pdb'

para_source = '/home/fuqiuyu/work/nmr_druggability/md/finished/1dhm/spa/SPA.para'
para_file = 'SPA.para'

print ">>>>> preparing SPA input files"

for model in fpdb.next_frame(infile):

    pdb = fpdb.fPDB(model)
    pdb.write_pdb(a1_file)
    print "----- sys pdb done."

    ofp_rec = open(rec_file, 'w')
    for residue in pdb.topology.residues:
        if residue.name in fpdb.standard_protein_residues:
            residue.write_pdb(ofp_rec)
    print "----- rec pdb done."

    ofp_lig = open(lig_file, 'w')
    for line in open(rec_file):
        if len(line) >= 6 and line[:6] in ('ATOM  ', 'HETATM'):
            if line[12:16].strip() not in ('C', 'O', 'N', 'CA'):
Exemplo n.º 4
0
#!/usr/bin/python
import sys, os
import fpdb

infile = sys.argv[1]
N = int(sys.argv[2])

count = 0
for frame in fpdb.next_frame(infile):
    if count % N == 0:
        try:
            os.mkdir("spa_%d" % (count / N))
        except:
            pass
        ofp = open("spa_%d/traj.pdb" % (count / N), 'w')
        print ">>>>> Traj splited %d" % (count / N)

    for line in frame:
        ofp.write(line)

    print "----- Frame %d" % count
    count += 1