def builtArchDB(pdblist, pdbdir, outdir):
pdb_connect = PDBlink(local=pdbdir)
for pdbinfo in pdblist:
pdb, chain = pdbinfo
subdir = pdb[1:3].lower()
pdbfile = pdb_connect.get_PDB(pdb)
SBIglobals.alert('verbose', None,
'Processing file: {0}'.format(pdbfile))
archs = archer.build_archs(sourcepdb=pdbfile,
chain=chain,
limit_distance=25)
for archkey in archs:
if len(archs[archkey]) > 0:
Path.mkdir(os.path.join(outdir[archkey], subdir))
Path.mkdir(os.path.join(outdir['STRUC'], subdir))
for arch in archs[archkey]:
pyobjName = "_".join([
str(arch.aminoacid_distance), arch.type, arch.identifier
]) + '.archObj'
arch.dump(
os.path.join(os.path.join(outdir[archkey], subdir),
pyobjName))
arch.format2file(filename=os.path.join(
os.path.join(outdir['STRUC'], subdir), arch.identifier),
extension='pdb',
center=True)
arch.format2file(filename=os.path.join(
os.path.join(outdir['STRUC'], subdir), arch.identifier),
extension='js',
center=True)
def Enzyme2SQL(database, sqlfile, skip_download, verbose):
enzyme_connect = Enzymelink(local=database)
newsource = None
if not skip_download:
if verbose:
sys.stderr.write(
"Downloading Enzyme database to {0} ...\n".format(database))
enzyme_connect.download()
newsource = Source(name='enzyme', source=enzyme_connect.source)
if verbose: sys.stderr.write("Download Finished.\n")
else:
if verbose: sys.stderr.write("Using previously downloaded database.\n")
if verbose: sys.stderr.write("Parsing Enzyme.\n")
if verbose: sys.stderr.write("Writing {0} ....\n".format(sqlfile))
Path.mkdir(os.path.split(os.path.abspath(sqlfile))[0])
sql_fd = gzip.open(sqlfile, 'wb')
sql_fd.write(start_transaction())
if newsource is not None:
sql_fd.write(newsource.toSQL())
transfers = []
for enz_line in enzyme_connect.localEnzymes:
newenz = Enzyme(inline=enz_line)
sql_fd.write(newenz.toSQL())
if newenz.has_transfers:
transfers.append(newenz.transfered2SQL())
sql_fd.write("".join(transfers))
sql_fd.write(end_transaction())
sql_fd.close()
if verbose: sys.stderr.write("End execution.\n")
def SCOP2SQL(database, sqlfile, skip_download, verbose):
scop_connect = SCOPlink(local = database)
newsource = None
if not skip_download:
if verbose: sys.stderr.write("Downloading SCOP database to {0} ...\n".format(database))
scop_connect.download()
newsource = Source(name = 'enzyme', source = scop_connect.source)
if verbose: sys.stderr.write("Download Finished.\n")
else:
if verbose: sys.stderr.write("Using previously downloaded database.\n")
if verbose: sys.stderr.write("Parsing SCOP.\n")
if verbose: sys.stderr.write("Writing {0} ....\n".format(sqlfile))
Path.mkdir(os.path.split(os.path.abspath(sqlfile))[0])
sql_fd = gzip.open(sqlfile, 'wb')
sql_fd.write(start_transaction())
if newsource is not None:
sql_fd.write(newsource.toSQL())
transfers = []
scop_obj = SCOP()
for line in scop_connect.descriptions:
scop_obj.add_description(line.strip())
for line in scop_connect.relations:
scop_obj.add_relation(line.strip())
sql_fd.write(SCOP.prepdbdeleted())
sql_fd.write(scop_obj.toSQL())
sql_fd.write(SCOP.afterpdbdeleted())
sql_fd.write(end_transaction())
sql_fd.close()
if verbose: sys.stderr.write("End execution.\n")
def sortarchs(inputdir, outputdir):
archsdir = outputdir
Path.mkdir(archsdir)
sorted_archs = {}
loop_file_name = os.path.join(archsdir, 'ArchDB.{0}.db')
loop_split_file_name = os.path.join(archsdir, 'ArchDB.{0}.{1:02d}-{2:02d}.db')
sections_ini = [ 0, 4, 7,14,21]
sections_end = [ 4, 6,13,20, 0]
for archfile in Path.list_files(root = inputdir, pattern = '*.archObj'):
filename = os.path.basename(archfile)
data = filename.split('_')
length = int(data[0])
archtype = data[1]
sorted_archs.setdefault(archtype,{}).setdefault(length,[])
sorted_archs[archtype][length].append(archfile)
for archtype in sorted_archs:
SBIglobals.alert('verbose', None, "ARCHS: " + archtype + "\n")
fd = File(loop_file_name.format(archtype), 'w')
fdp = []
for x in range(len(sections_ini)):
fdp.append(File(loop_split_file_name.format(archtype, sections_ini[x], sections_end[x]), 'w'))
for length in sorted(sorted_archs[archtype]):
SBIglobals.alert('verbose', None, '\t{0}'.format(length))
for archfile in sorted_archs[archtype][length]:
SBIglobals.alert('verbose', None, '\t\t{0}\n'.format(archfile))
nsp = Arch.load(archfile)
fd.descriptor.write(nsp.archtype_format() + "\n")
for x in range(len(fdp)):
if length >= sections_ini[x] and (sections_end[x] == 0 or length <= sections_end[x]):
fdp[x].descriptor.write(nsp.archtype_format() + "\n")
fd.close()
for x in range(len(fdp)):
fdp[x].close()
def DrugBank2SQL(database, sqlfile, skip_download, verbose):
drugbank_connect = DrugBanklink(local = database)
newsource = None
if not skip_download:
if verbose: sys.stderr.write("Downloading drugBank database to {0} ...\n".format(database))
# drugbank_connect.download()
newsource = Source(name = 'DrugBank', source = drugbank_connect.source)
if verbose: sys.stderr.write("Download Finished.\n")
else:
if verbose: sys.stderr.write("Using previously downloaded database.\n")
if verbose: sys.stderr.write("Parsing drugBank.\n")
if verbose: sys.stderr.write("Writing {0} ....\n".format(sqlfile))
Path.mkdir(os.path.split(os.path.abspath(sqlfile))[0])
sql_fd = gzip.open(sqlfile, 'wb')
sql_fd.write(start_transaction())
sql_fd.write(Drug.preuniprotdeleted())
if newsource is not None:
sql_fd.write(newsource.toSQL())
for drg_line in drugbank_connect.localDrugs:
newdrg = Drug(inline = drg_line)
sql_fd.write(newdrg.toSQL())
sql_fd.write(Drug.afteruniprotdeleted())
sql_fd.write(end_transaction())
sql_fd.close()
if verbose: sys.stderr.write("End execution.\n")
def TaxID2SQL(database, sqlfile, skip_download, verbose):
taxid_connect = TaxIDlink(local=database)
newsource = None
if not skip_download:
if verbose:
sys.stderr.write(
"Downloading TaxID database to {0} ...\n".format(database))
taxid_connect.download()
newsource = Source(name='taxid', source=taxid_connect.source)
if verbose: sys.stderr.write("Download Finished.\n")
else:
if verbose: sys.stderr.write("Using previously downloaded database.\n")
has_new = []
if verbose: sys.stderr.write("Parsing TaxID.\n")
if verbose: sys.stderr.write("Writing {0} ....\n".format(sqlfile))
Path.mkdir(os.path.split(os.path.abspath(sqlfile))[0])
sql_fd = gzip.open(sqlfile, 'wb')
sql_fd.write(start_transaction())
if newsource is not None:
sql_fd.write(newsource.toSQL())
for tax_line in taxid_connect.localTaxIDs:
newtax = TaxID(inline=tax_line)
if newtax.has_new: has_new.append(newtax.toSQL())
else: sql_fd.write(newtax.toSQL() + "\n")
sql_fd.write("\n".join(has_new) + "\n")
sql_fd.write(end_transaction())
sql_fd.close()
if verbose: sys.stderr.write("End execution.\n")
def PDBTM2SQL(database, sqlfile, skip_download, verbose):
pdbtm_connect = PDBTMlink(local=database)
newsource = None
if not skip_download:
if verbose:
sys.stderr.write(
"Downloading PDBTM database to {0} ...\n".format(database))
#pdbtm_connect.download()
newsource = Source(name='enzyme', source=pdbtm_connect.source)
if verbose: sys.stderr.write("Download Finished.\n")
else:
if verbose: sys.stderr.write("Using previously downloaded database.\n")
if verbose: sys.stderr.write("Parsing PDBTM.\n")
if verbose: sys.stderr.write("Writing {0} ....\n".format(sqlfile))
Path.mkdir(os.path.split(os.path.abspath(sqlfile))[0])
sql_fd = gzip.open(sqlfile, 'wb')
sql_fd.write(start_transaction())
sql_fd.write(TM.prepdbdeleted())
if newsource is not None:
sql_fd.write(newsource.toSQL())
sql_fd.write(TM.regions2SQL())
for line in pdbtm_connect.localTM:
tmdata = TM(inline=line)
sql_fd.write(tmdata.toSQL())
sql_fd.write(TM.afterpdbdeleted())
sql_fd.write(end_transaction())
sql_fd.close()
if verbose: sys.stderr.write("End execution.\n")
def PDBeChem2SQL(database, sqlfile, skip_download, verbose):
pdbechem_connect = PDBeChemlink(local = database)
newsource = None
if not skip_download:
if verbose: sys.stderr.write("Downloading PDBeChem database to {0} ...\n".format(database))
pdbechem_connect.download()
newsource = Source(name = 'PDBeChem', source = pdbechem_connect.source)
if verbose: sys.stderr.write("Download Finished.\n")
else:
if verbose: sys.stderr.write("Using previously downloaded database.\n")
noparent_chems = []
parent_chems = []
if verbose: sys.stderr.write("Parsing PDBeChem.\n")
for chem_file in pdbechem_connect.localPDBeChems:
if verbose: sys.stderr.write("\tReading {0} ....\n".format(chem_file))
newchem = PDBeChem(chem_file)
if newchem.parent is None: noparent_chems.append(newchem.toSQL())
else: parent_chems.append(newchem.toSQL())
if verbose: sys.stderr.write("Writing {0} ....\n".format(sqlfile))
Path.mkdir(os.path.split(os.path.abspath(sqlfile))[0])
sql_fd = gzip.open(sqlfile, 'wb')
sql_fd.write(start_transaction())
if newsource is not None:
sql_fd.write(newsource.toSQL())
for e in element_dic.values():
newelement = Element(e.number, e.symbol, e.name)
sql_fd.write(newelement.toSQL() + "\n")
sql_fd.write("\n".join(noparent_chems) + "\n")
sql_fd.write("\n".join(parent_chems) + "\n")
sql_fd.write(end_transaction())
sql_fd.close()
if verbose: sys.stderr.write("End execution.\n")
def __init__(self, local):
'''
@param: local
@pdef: local directory to store the database. Create if not exist
@ptype: {String}
'''
self._local = local
Path.mkdir(self._local)
def download(self):
if not self.has_local:
raise NameError('A local SCOP database directory must be defined.')
Path.mkdir(self.local)
urllib.urlretrieve(SCOPftp['desc'], self._desc)
urllib.urlretrieve(SCOPftp['rel'], self._rel)
return True
def execute_query(self, query_file, blast_output_file = None,
work_directory = os.getcwd()):
'''
Execute BLAST given a query sequence.
@param: query_file
@pdef: Fasta file with the query sequence.
@pdefault: 'QuerySequence'
@ptype: {String} or {File} or {Fasta}
@param: blast_output_file
@pdef: name of the temporary BLAST output file.
@pdefault: query_file.prefix + job.pid + .blast.xml.out
@ptype: {String}
@param: work_directory
@pdef: Directory to which the temporary files will be created.
@pdefault: Current working directory.
@ptype: {String}
@raises: {AttributeError} if query_file is multi-fasta.
@raises: {BlastError} in BLAST execution or output parsing errors.
@returns: {BlastResult}
'''
if isinstance(query_file, basestring) or isinstance(query_file, File):
newFasta = Fasta(fasta_file = query_file)
elif isinstance(query_file, Fasta):
newFasta = query_file
if newFasta.is_multifasta:
msg = 'Blasts can only be executed one at a time due to XML output restrictions.'
raise AttributeError(msg)
# All the sequence is unknown, it will crash blast
newFasta.load()
query_sequence = newFasta.sequence
if len(re.sub(r'[Xx]', '', query_sequence.sequence)) == 0:
SBIg.warn(self, 'Created an empty BlastResult.')
return BlastResult(query_name = query_sequence.id,
query_sequence = query_sequence.sequence)
Path.mkdir(work_directory)
file_prefixes = ".".join([newFasta.file.prefix, str(os.getpid())])
file_prefixes = os.path.join(work_directory, file_prefixes)
tmp_output = file_prefixes + ".blast.xml.out"
tmp_output = tmp_output if blast_output_file is None else os.path.join(work_directory, blast_output_file)
self._execute(input_file = newFasta, output_file = tmp_output)
blast_result = self._parse_blast(newFasta.sequence.sequence, tmp_output)
self._clean([tmp_output, ])
return blast_result
def download(self):
if not self.has_local:
raise NameError('A local GO database directory must be defined.')
Path.mkdir(self.local)
destination = os.path.join(self.local, self._gfile)
urllib.urlretrieve(GOftp['source'], destination)
self._process()
return True
def download(self):
if not self.has_local:
raise NameError(
'A local drugBank database directory must be defined.')
Path.mkdir(self.local)
urllib.urlretrieve(drugBankftp['targets'], self._target)
urllib.urlretrieve(drugBankftp['main'], self._main)
self._process()
return True
def download(self):
if not self.has_local:
raise NameError(
'A local Enzyme database directory must be defined.')
Path.mkdir(self.local)
urllib.urlretrieve(Enzymeftp['dat'], self._dfile)
urllib.urlretrieve(Enzymeftp['cls'], self._cfile)
self._process()
return True
def download(self):
if not self.has_local:
raise NameError(
'A local drugBank database directory must be defined.')
Path.mkdir(self.local)
here = os.getcwd()
os.chdir(self.local)
os.system("svn export {0}".format(PDBTMftp['svn']))
self._process()
return True
def Arch2SQL(database, sqlfile, verbose):
if verbose:
sys.stderr.write("Retrieving data from {0} ...\n".format(database))
newsource = Source(name='PDBarch', source="http://www-pdb.org/")
outdir = os.path.join(os.path.join(os.path.abspath(sqlfile), '00'))
Path.mkdir(outdir)
sql_fd = gzip.open(os.path.join(outdir, '0000.sql.gz'), 'wb')
sql_fd.write(start_transaction())
sql_fd.write(newsource.toSQL())
sql_fd.write(end_transaction())
sql_fd.close()
files_list_by_pdb = {}
subdirs = ['archobj', 'superobj']
for subdir in subdirs:
for archobjfile in Path.list_files(os.path.join(database, subdir)):
if archobjfile.endswith('.archObj'):
data = tuple(
os.path.splitext(
os.path.split(archobjfile)[-1])[0].split('_')[2:])
files_list_by_pdb[data] = archobjfile
old_pdb = None
newArchSet = None
for dofdata in sorted(files_list_by_pdb):
pdb = dofdata[0] + '_' + dofdata[1]
if pdb != old_pdb:
if old_pdb is not None:
sql_fd.write(newArchSet.toSQL())
sql_fd.write(end_transaction())
sql_fd.close()
outdir = os.path.join(
os.path.join(os.path.abspath(sqlfile),
dofdata[0][1:3].lower()))
Path.mkdir(outdir)
if verbose:
sys.stderr.write("Retrieving loops from {0} ...\n".format(pdb))
sql_fd = gzip.open(os.path.join(outdir, pdb + '.sql.gz'), 'wb')
sql_fd.write(start_transaction())
if verbose:
sys.stderr.write("Printing data from {0} ...\n".format(pdb))
old_pdb = pdb
newArchSet = Arch(pdb)
newArchSet.archs = SSpair.load(files_list_by_pdb[dofdata])
sql_fd.write(newArchSet.toSQL())
sql_fd.write(end_transaction())
sql_fd.close()
if verbose:
sys.stderr.write("End execution.\n")
def make_PDBseq(self, log_file, resolution_threshold=None):
if not self.has_local:
raise NameError(
'A local PDB database must be defined to do create a PDBseq database.'
)
outdir = self.PDBseq if self.PDBseq is not None else os.curdir
Path.mkdir(self.PDBseq)
fasta_file = File(file_name=os.path.join(outdir, 'PDBseq.fa'),
action='w',
overwrite=True)
fasta_fd = fasta_file.descriptor
idx_file = File(file_name=os.path.join(outdir, 'PDBseq.fa.idx'),
action='w',
overwrite=True)
idx_fd = idx_file.descriptor
# if resolution_threshold is not None:
# filtered_file_name = self.get_PDBseq_filtered(resolution_threshold)
# filtered_file = File(file_name = filtered_file_name, action = 'w', overwrite = True)
# filtered_fd = filtered_file.descriptor
# resolutions = self.get_resolutions(resolution_threshold = resolution_threshold)
log_file = File(file_name=log_file, action='w', overwrite=True)
log_idx = log_file.descriptor
for pdb_file in self.localPDBs:
log_idx.write("Reading File: {0}\n".format(pdb_file))
newPDB = PDB(pdb_file=pdb_file, dehydrate=True)
fasta_idx = newPDB.FASTA_IDX(nucleotide=False)
if len(fasta_idx['FASTA']) != len(fasta_idx['IDX']):
log_idx.write(
'ERROR!!!!! Number of fastas and indexes are different for pdb {0}!!\n'
.format(newPDB.id))
if len(fasta_idx['FASTA']) > 0:
log_idx.write('\tPrinting FASTA and IDX...\n')
else:
log_idx.write('\tProblably just a nucleotide PDB...\n')
for c in range(len(fasta_idx['FASTA'])):
sequence = fasta_idx['FASTA'][c].split('\n')[1]
sequence = sequence.replace('X', '').replace('x', '')
if len(sequence) > 0:
fasta_fd.write(fasta_idx['FASTA'][c] + "\n")
if resolution_threshold is not None and newPDB.id in resolutions and not newPDB.is_all_ca:
filtered_fd.write(fasta_idx['FASTA'][c] + "\n")
idx_fd.write(fasta_idx['IDX'][c] + "\n")
del (newPDB)
#CLOSE & END
fasta_file.close()
idx_file.close()
if resolution_threshold is not None:
filtered_fd.close()
def download(self):
if not self.has_local:
raise NameError('A local TaxID database directory must be defined.')
Path.mkdir(self.local)
destination = os.path.join(self.local, 'taxdmp.zip')
urllib.urlretrieve(taxIDftp['global'], destination)
command = ['unzip', '-o', destination, '-d', self.local]
p = subprocess.Popen(command, stdout = subprocess.PIPE, stderr = subprocess.PIPE)
out, err = p.communicate()
self._process()
return True
def download(self):
if not self.has_local:
raise NameError('A local PDBeChem database directory must be defined.')
Path.mkdir(self.local)
destination = os.path.join(self.local, 'mmcif.tar.gz')
try:
urllib.urlretrieve(PDBeChemftp['global'], destination)
except:
return False
command = ['tar', 'zxvf', destination, '-C', self.local]
p = subprocess.Popen(command, stdout = subprocess.PIPE, stderr = subprocess.PIPE)
out, err = p.communicate()
return True
def CDhit2SQL(database, sqlfile, verbose):
if verbose:
sys.stderr.write("Retrieving data from {0} ...\n".format(database))
cdhit = CDhit(database)
if verbose: sys.stderr.write("Writing {0} ....\n".format(sqlfile))
Path.mkdir(os.path.split(os.path.abspath(sqlfile))[0])
sql_fd = gzip.open(sqlfile, 'wb')
sql_fd.write(start_transaction())
sql_fd.write(cdhit.toSQL())
sql_fd.write(end_transaction())
sql_fd.close()
if verbose: sys.stderr.write("End execution.\n")
def Uniprot2SQL(database, sqlfile, skip_download, verbose):
uniprot_connect = Uniprotlink(local=database)
newsource = None
if not options.skip_download:
if verbose:
sys.stderr.write(
"Downloading Uniprot database to {0} ...\n".format(database))
uniprot_connect.download()
newsource = Source(name='uniprot', source=uniprot_connect.source)
if verbose: sys.stderr.write("Download Finished.\n")
else:
if verbose: sys.stderr.write("Using previously downloaded database.\n")
file_counter = 1
file_sequence = 0
file_sql_name = sqlfile.replace('_', '{0:03}')
if verbose: sys.stderr.write("Parsing Uniprot.\n")
if verbose:
sys.stderr.write("Writing {0} ....\n".format(
file_sql_name.format(file_counter)))
Path.mkdir(os.path.split(os.path.abspath(sqlfile))[0])
sql_fd = gzip.open(file_sql_name.format(file_counter), 'wb')
sql_fd.write(start_transaction())
if newsource is not None:
sql_fd.write(newsource.toSQL())
for uni_line in uniprot_connect.localUniprots:
newuni = Uniprot(inline=uni_line)
if file_sequence > 500000:
sql_fd.write(end_transaction())
sql_fd.close()
file_sequence = 0
file_counter += 1
if verbose:
sys.stderr.write("Writing {0} ....\n".format(
file_sql_name.format(file_counter)))
sql_fd = gzip.open(file_sql_name.format(file_counter), 'wb')
sql_fd.write(start_transaction())
sql_fd.write(newuni.toSQL())
file_sequence += 1
if verbose: sys.stderr.write("End execution.\n")
def GO2SQL(database, sqlfile, skip_download, verbose):
go_connect = GOlink(local=database)
newsource = None
if not skip_download:
if verbose:
sys.stderr.write(
"Downloading GO database to {0} ...\n".format(database))
go_connect.download()
newsource = Source(name='GO', source=go_connect.source)
if verbose: sys.stderr.write("Download Finished.\n")
else:
if verbose: sys.stderr.write("Using previously downloaded database.\n")
with_parents = []
with_relations = []
if verbose: sys.stderr.write("Parsing GO.\n")
if verbose: sys.stderr.write("Writing {0} ....\n".format(sqlfile))
Path.mkdir(os.path.split(os.path.abspath(sqlfile))[0])
sql_fd = gzip.open(sqlfile, 'wb')
sql_fd.write(start_transaction())
if newsource is not None:
sql_fd.write(newsource.toSQL())
for go_line in go_connect.localGOs:
newGO = GOterm(inline=go_line)
sql_fd.write(newGO.toSQL() + "\n")
if len(newGO.relations) > 0:
with_relations.append(newGO)
if len(newGO.parents) > 0:
with_parents.append(newGO)
for GO in with_relations:
sql_fd.write(GO.relations2SQL() + "\n")
for GO in with_parents:
sql_fd.write(GO.parents2SQL() + "\n")
sql_fd.write(end_transaction())
sql_fd.close()
if verbose: sys.stderr.write("End execution.\n")
def sync_PDB(self, log_file=None):
if not self.has_local:
raise NameError(
'A local PDB database must be defined to sync with.')
Path.mkdir(self.local)
command = [
'rsync', '-rlpt', '-v', '-z', '--port=' + PDBrsync['port'],
PDBrsync['address'], self.local
]
p = subprocess.Popen(command,
stdout=open(log_file, 'w')
if log_file is not None else subprocess.PIPE,
stderr=subprocess.PIPE)
SBIglobals.alert('verbose', self,
'Executing: {0}'.format(" ".join(command)))
out, err = p.communicate()
if err.strip() != '':
raise SystemError('{0}'.format(err))
def get_PDB(self, pdbID):
if self.has_local:
rootdir = os.path.join(self.local, pdbID.lower()[1:3])
for pdb_file in Path.list_files(root=rootdir, pattern='*.ent.gz'):
newfile = File(file_name=pdb_file, action='r')
if newfile.prefix.lstrip('pdb').upper() == pdbID.upper():
return pdb_file
#If we do not find it in local (or we do not have a local) we search it on the FTP
pdb_file = 'pdb' + pdbID.lower() + '.ent.gz'
source = 'ftp://' + PDBftp['address'] + os.path.join(
PDBftp['structures'], pdbID[1:3].lower(), pdb_file)
try:
urllib.urlretrieve(source, pdb_file)
except:
return False
return os.path.abspath(pdb_file)
def _process(self):
tmoFile = File(self._pdbtmfile, 'w', True)
for xmlfile in Path.list_files(
os.path.join(self._local, 'pdbtm/database/'), '*.xml'):
xmldata = TM(
pdb=os.path.splitext(os.path.split(xmlfile)[1])[0].upper())
skip_chains = set()
read = False
fdxml = open(xmlfile)
for line in fdxml:
if line.startswith(' <TMRES>'): xmldata.tmres = line
elif line.startswith(' <TMTYPE'): xmldata.tmtype = line
elif line.startswith(' <PDBKWRES'): xmldata.kwres = line
elif line.startswith(' <SIDEDEFINITION'):
m = re.search('Side1="(\S+)"', line)
xmldata.side = m.group(1)
elif line.startswith(' <APPLY_TO_CHAIN'):
m = re.search('NEW_CHAINID=\"(\S{1})\"', line)
if m: skip_chains.add(m.group(1))
elif line.startswith(' <CHAIN '):
m = re.search(
'CHAINID=\"(\S{1})\" NUM_TM=\"(\d{1})\" TYPE=\"(\S+)\"',
line)
if m:
chain, num, tmtype = m.group(1), m.group(2), m.group(3)
if not chain in skip_chains:
cdata = tuple([chain, num, tmtype])
xmldata.set_chain(cdata)
read = True
elif line.startswith(' <REGION ') and read:
m = re.search(
'pdb_beg=\"(\-*\d+\w*)\"[\s\S]+pdb_end=\"(\-*\d+\w*)\"\s+type=\"(\w{1})\"',
line)
ini, end, tmtype = m.group(1), m.group(2), m.group(3)
xmldata.set_chain(cdata, tuple([ini, end, tmtype]))
elif line.startswith(' </CHAIN>'):
read = False
fdxml.close()
if len(xmldata.chains) > 0:
tmoFile.write(str(xmldata) + "\n")
tmoFile.close()
def localPDBs(self):
for pdb_file in Path.list_files(root=self.local, pattern='*.ent.gz'):
yield pdb_file
def PDB2SQL(database, seqdatabase, listfiles, sqlfile, skip_download, verbose):
pdb_connect = PDBlink(local=database, PDBseq=seqdatabase)
newsource = None
if not skip_download:
if verbose:
sys.stderr.write(
"Syncronizing PDB database to {0} ...\n".format(database))
pdb_connect.sync_PDB(log_file=os.path.join(database, 'PDB.sync.log'))
newsource = Source(name='PDB', source=pdb_connect.source)
if verbose:
sys.stderr.write(
"Creating PDBseq in {0} ...\n".format(seqdatabase))
pdb_connect.make_PDBseq(
log_file=os.path.join(seqdatabase, 'PDB.seq.log'))
if verbose: sys.stderr.write("Download Finished.\n")
outdir = os.path.abspath(os.path.join(sqlfile, '00'))
Path.mkdir(outdir)
sql_fd = gzip.open(os.path.join(outdir, '0000.sql.gz'), 'wb')
sql_fd.write(start_transaction())
sql_fd.write(newsource.toSQL())
sql_fd.write(end_transaction())
sql_fd.close()
else:
if verbose: sys.stderr.write("Using previously downloaded database.\n")
files2check = set()
if listfiles is not None:
fd = open(listfiles)
for line in fd:
files2check.add(line.strip())
fd.close()
logfd = open(listfiles + ".log", "w")
else:
logfd = open("PDB2SQL.log", "w")
import traceback
for pdbfile in pdb_connect.localPDBs:
try:
if listfiles is not None and pdbfile not in files2check:
if len(files2check) == 0: break
continue
#else:
# files2check.add(pdbfile)
# files2check.remove(pdbfile)
if verbose: sys.stderr.write("Working file {0}\n".format(pdbfile))
newPDB = PDB(pdb_file=pdbfile)
outsqldir = os.path.join(sqlfile, newPDB.id[1:3].lower())
Path.mkdir(outsqldir)
outsqlfile = os.path.join(outsqldir, newPDB.id + '.sql.gz')
# outsqlfile = os.path.join(os.getcwd(), newPDB.id + '.sql.gz')
if verbose:
sys.stderr.write(
"\tOutput SQL file is {0}.\n".format(outsqlfile))
sql_fd = gzip.open(outsqlfile, 'wb')
sql_fd.write(start_transaction())
sql_fd.write(PDB.preuniprotdeleted())
sql_fd.write(newPDB.toSQL())
sql_fd.write(PDB.afteruniprotdeleted())
sql_fd.write(end_transaction())
sql_fd.close()
except KeyboardInterrupt:
raise
except:
if verbose:
sys.stderr.write("\tAn error occurred. Check log file\n")
SBIglobals.alert(
'error', None,
'\tAn error occurred for {0} . Check log file'.format(pdbfile))
logfd.write("FILE {0}\n".format(pdbfile))
logfd.write(traceback.format_exc())
logfd.write("\n")
def localPDBeChems(self):
for chem_file in Path.list_files(root = self.local, pattern = '*.cif'):
yield chem_file
def execute_query_seq(self, sequenceID = None, sequence = None,
blast_input_file = None, blast_output_file = None,
work_directory = os.getcwd()):
'''
Execute BLAST given a query sequence.
@param: sequenceID
@pdef: name of the query sequence.
@pdefault: 'QuerySequence'
@pclash: If sequence is not provided, it assumes that the sequenceID
belongs to a protein in the database and, thus, it searches
for it. Either sequenceID or sequence needs to be provided.
@ptype: {String}
@param: sequence
@pdef: query sequence.
@pdefault: _None_
@pclash: Either sequenceID or sequence needs to be provided.
@ptype: {String}
@param: blast_input_file
@pdef: name of the temporary fasta file to use as BLAST input.
@pdefault: job.pid + clock + .tmp.fa
@ptype: {String}
@param: blast_output_file
@pdef: name of the temporary BLAST output file.
@pdefault: job.pid + clock + .blast.xml.out
@ptype: {String}
@param: work_directory
@pdef: Directory to which the temporary files will be created.
@pdefault: Current working directory.
@ptype: {String}
@raises: {AttributeError} if neither sequenceID nor sequence are
provided or if sequenceID is a list of sequence names.
@raises: {BlastError} in BLAST execution or output parsing errors.
@returns: {BlastResult}
'''
if sequenceID is None and sequence is None:
msg = 'Either a sequence or sequenceID is needed to perform the blast.'
raise AttributeError(msg)
if isinstance(sequenceID, (list, set, tuple)):
msg = 'Blasts can only be executed one at a time due to XML output restrictions.'
raise AttributeError(msg)
sequenceID = 'QuerySequence' if sequenceID is None else sequenceID
# Given only a code implies that the protein of interest is in the
# database itself
if sequence is None:
grabbedSequence = self._database.retrieve(sequenceID)
sequenceID = grabbedSequence[0].id
sequence = grabbedSequence[0].sequence
# All the sequence is unknown, it will crash blast
if len(re.sub(r'[Xx]', '', sequence)) == 0:
SBIg.warn(self, 'Created an empty BlastResult.')
return BlastResult(query_name = sequenceID,
query_sequence = sequence)
Path.mkdir(work_directory)
file_prefixes = ".".join([str(os.getpid()), str(int(time.clock()*100000))])
file_prefixes = os.path.join(work_directory, file_prefixes)
tmp_input = file_prefixes + ".tmp.fa"
tmp_output = file_prefixes + ".blast.xml.out"
tmp_input = tmp_input if blast_input_file is None else os.path.join(work_directory, blast_input_file)
tmp_output = tmp_output if blast_output_file is None else os.path.join(work_directory, blast_output_file)
QueryFasta = Fasta.build(file_name = tmp_input, sequence_id = sequenceID,
sequence = sequence, force = True)
self._execute(input_file = QueryFasta, output_file = tmp_output)
blast_result = self._parse_blast(sequence, tmp_output)
self._clean([tmp_input, tmp_output])
return blast_result
def DS2SQL(database, looplist, sqlfile, verbose):
Path.mkdir(sqlfile)
for dsfile in Path.list_files(database):
subclasstype = os.path.split(dsfile)[-1].split('.')[1]
classification = Cclass(subclasstype)
if verbose:
sys.stderr.write(
"Retrieving data for subclass {0} ...\n".format(subclasstype))
loops = readlist(looplist, subclasstype)
sql_fd = gzip.open(os.path.join(sqlfile, subclasstype + '.sql.gz'),
'wb')
sql_fd.write(start_transaction())
sql_in = open(dsfile)
read = False
for line in sql_in:
dataline = line.rstrip('\n')
#SKIP LINES
if line.startswith('==') or line.startswith('***') or len(
line.strip()) == 0 or line.startswith(
'---- P R O T E I N C O D E ----'):
continue
if line.startswith('CONSENSUS & MULTIPLE ALIGNEMENT IN THE'):
data = line.split(':')[-1].strip().split()
classification.subclasses = Subclass(
tuple([data[0].strip(), data[3].strip()]), data[4])
workscls = classification.lastsubclass
read = True
continue
if line.startswith('GLOBAL STATISTICS'):
read = False
continue
if read:
if line.startswith(
' SEQUENCE ALIGNEMENT :'
):
parse_mode, counter = 'P', 0
elif line.startswith(
' ACCESSIBLE SURFACE ALIGNEMENT :'
):
parse_mode, counter = 'E', 0
elif line.startswith(
' RAMACHANDRAN :'
):
parse_mode, counter = 'R', 0
elif line.startswith(
' SECONDARY STRUCTURE :'
):
parse_mode, counter = 'S', 0
elif line.startswith('--------- CONSENSUS THORNTON :'):
workscls.add_consensus(dataline, 'DS', loops)
elif line.startswith('--------- CONSENSUS TOPOLOGY'):
workscls.add_topology(dataline, 'DS')
elif line.startswith('CENTROIDE POLAR COORD. :'):
workscls.add_coordinates(dataline)
elif line.startswith('--------- RAMACHANDRAN PATTERN :'):
workscls.ram_pat = re.sub(
'\(X\)', '',
dataline.split(':')[1].strip().strip('.'))
elif line.startswith('--------- SEQUENCE PATTERN :'):
workscls.seq_pat = re.sub(
'\(X\)', '',
dataline.split(':')[1].strip().strip('.'))
elif line.startswith('--------- BURIAL PATTERN :'):
workscls.exp_pat = re.sub(
'\(X\)', '',
dataline.split(':')[1].strip().strip('.'))
elif line.startswith(' '
) and len(dataline) < 400:
if parse_mode == 'P': workscls.loops = Loop(info=dataline)
if parse_mode == 'E':
workscls.loops[counter].add_surface(info=dataline)
counter += 1
if parse_mode == 'R':
workscls.loops[counter].add_ramachandran(info=dataline)
counter += 1
if parse_mode == 'S':
workscls.loops[counter].add_secondary_str(
info=dataline)
counter += 1
sql_fd.write(classification.toSQL('DS'))
sql_in.close()
sql_fd.write(end_transaction())
sql_fd.close()
if verbose: sys.stderr.write("End execution.\n")
