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parse_tsv.py
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parse_tsv.py
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from utils import uniprot_gene_to_entry_id_matching, parse_site_info_to_dict, create_mutated_seq, get_difference_in_mw
import pandas as pd
import os
import re
def uniprot_tsv_to_tables(path):
# load tsv file into dataframe
pd.options.display.max_colwidth = None
df = pd.read_csv(path, sep='\t', header=0)
# rename headers
df.rename(columns={"Entry": "entry_id", "Entry Name": "entry_name", "Protein names": "protein_names",
"Length": "seq_length", "Organism": "organism", "Date of last modification": "dlm",
"Gene Names": "gene_names",
"Active site": "active_sites",
"Binding site": "binding_sites",
"Interacts with": "interact_with",
"Keywords": "keywords",
"PubMed ID": "pubmed_ids",
"Sequence": "seq"
}, inplace=True)
row, _ = df.shape
tables = dict()
print('parsing uniprot data from given tsv files...')
# parsing protein info
proteins_colnames = ['entry_id', 'entry_name', 'protein_names', 'gene_names', 'organism', 'seq_length', 'seq', 'dlm']
proteins_values = []
tmp_df = df.loc[:,['entry_id', 'entry_name', 'protein_names', 'gene_names', 'organism', 'seq_length', 'seq', 'dlm']]
for r in range(row):
info = list(filter(None, re.split('\n', tmp_df.iloc[r,:].to_string(index=False, header=False))))
info = [i.strip() for i in info]
# info[2] = re.split('[\(\)]', info[2])[0]
info[-3] = int(info[-3])
proteins_values.append(tuple(info))
# print(info[0], info[2])
tables['proteins'] = [proteins_colnames, proteins_values]
# parsing active_sites info
active_sites_colnames = ['entry_id', 'position', 'evidences']
active_sites_values = []
tmp_df = df.loc[:,['active_sites']]
for r in range(row):
id = df.iloc[r, 0]
active_sites = list(filter(None, re.split('ACT_SITE ', tmp_df.iloc[r,:].to_string(index=False, header=False))))
if 'NaN' not in active_sites:
for active_site in active_sites:
info = list(filter(None,re.split('; ',active_site)))
position = info[0]
evidences = [i for i in info if '/evidence' in i]
for i in range(len(evidences)):
evidence = re.search('"(.*?)"', evidences[i]).group(1)
output = tuple([id, position, evidence])
active_sites_values.append(output)
tables['active_sites'] = [active_sites_colnames, active_sites_values]
# parsing binding_sites info
binding_sites_colnames = ['entry_id', 'position', 'ligand', 'ligand_id', 'evidences']
binding_sites_values = []
tmp_df = df.loc[:,['binding_sites']]
for r in range(row):
id = df.iloc[r, 0]
binding_sites = list(filter(None, re.split('BINDING ', tmp_df.iloc[r,:].to_string(index=False, header=False))))
for binding_site in binding_sites:
position = None
ligand = None
ligand_id = None
evidence = None
if binding_site != 'NaN':
info = list(filter(None,re.split('; |\|', binding_site)))
position = info[0]
ligand = re.search('"(.*?)"', info[1]).group(1)
try:
ligand_id = re.search(':(CHEBI:.*?)"', info[2]).group(1)
except:
ligand_id = None
# print(info)
evidences = [i for i in info if '/evidence' in i]
if evidences:
evidence_list = []
for i in range(len(evidences)):
evidence = re.search('/evidence="(.*)', evidences[i]).group(1)
evidence_list.append(evidence.strip('"'))
evidence = ', '.join(evidence_list)
if position:
info = tuple([id, position, ligand, ligand_id, evidence])
binding_sites_values.append(info)
tables['binding_sites'] = [binding_sites_colnames, binding_sites_values]
# parsing interact_with info
interactions_colnames = ['entry_id', 'interaction']
interactions_values = []
tmp_df = df.loc[:,['interact_with']]
for r in range(row):
id = df.iloc[r, 0]
interactions = list(filter(None, re.split('; ', tmp_df.iloc[r,:].to_string(index=False, header=False))))
for interaction in interactions:
interaction_id = ''
if interaction != 'NaN':
if 'PRO_' in interaction:
interaction_id = re.search('\[(.*?)\]', interaction).group(1)
else:
interaction_id = interaction
if interaction_id:
info = tuple([id, interaction_id])
interactions_values.append(info)
tables['interactions'] = [interactions_colnames, interactions_values]
# parsing keywords info
keywords_colnames = ['entry_id', 'keyword']
keywords_values = []
tmp_df = df.loc[:,['keywords']]
for r in range(row):
id = df.iloc[r, 0]
keywords = list(filter(None, re.split(';', tmp_df.iloc[r,:].to_string(index=False, header=False))))
for keyword in keywords:
if keyword:
info = tuple([id, keyword])
keywords_values.append(info)
tables['keywords'] = [keywords_colnames, keywords_values]
# parsing pubmed info
pubmed_colnames = ['entry_id', 'pubmed_id']
pubmed_values = []
tmp_df = df.loc[:,['pubmed_ids']]
for r in range(row):
id = df.iloc[r, 0]
pubmed_ids = list(filter(None, re.split('; ', tmp_df.iloc[r,:].to_string(index=False, header=False))))
for pubmed_id in pubmed_ids:
if pubmed_id:
info = tuple([id, pubmed_id])
pubmed_values.append(info)
tables['pubmed'] = [pubmed_colnames, pubmed_values]
# print(pubmed_values)
return tables
def cosmic_tsv_to_tables(path, uniprot_tables, ELASPIC_input=False, ESM_fold_fasta=False):
# load tsv file into dataframe
pd.options.display.max_colwidth = None
df = pd.read_csv(path, sep='\t', header=0)
# rename headers
df.rename(columns={"Gene name": "gene_name",
"LEGACY_MUTATION_ID": "mutation_id",
"Mutation CDS": "mutation_cds", "Mutation AA": "mutation_aa",
"Mutation Description": "description"}, inplace=True)
# print(df.columns)
print('parsing cosmic data from given tsv files...')
# retrieve gene names availabe from uniprot tables
uniprot_genes = set()
_, proteins_values = uniprot_tables['proteins']
_, binding_sites_values = uniprot_tables['binding_sites']
_, active_sites_values = uniprot_tables['active_sites']
for protein_value in proteins_values:
gene_names = set(protein_value[3].split(' '))
uniprot_genes = uniprot_genes.union(gene_names)
# parsing cosmic_mutation info
row, _ = df.shape
cosmic_data_colnames = ['gene_name', 'mutation_id', 'mutation_cds', 'mutation_aa', 'description']
cosmic_data_values = []
tables = dict()
mutation_id = ''
gene_name = ''
mutation_cds = []
mutation_aa = []
log = []
output = []
for r in range(row):
mutation = list(filter(None, re.split('\n', df.iloc[r,:].to_string(index=False, header=False))))
mutation = [i.strip() for i in mutation]
# filter cosmic genes if genes do not exist in uniprot
if mutation[0] in uniprot_genes:
if gene_name != mutation[0]:
if len(mutation_cds) == 0:
mutation_cds.append(mutation[2])
mutation_aa.append(mutation[3])
else:
info = tuple([gene_name, mutation_id, ';'.join(mutation_cds), ';'.join(mutation_aa), 'Substitution - Missense'])
cosmic_data_values.append(info)
mutation_cds = [mutation[2]]
mutation_aa = [mutation[3]]
gene_name = mutation[0]
mutation_id = mutation[1]
else:
if mutation_id != mutation[1]:
info = tuple([gene_name, mutation_id, ';'.join(mutation_cds), ';'.join(mutation_aa), 'Substitution - Missense'])
cosmic_data_values.append(info)
mutation_cds = [mutation[2]]
mutation_aa = [mutation[3]]
mutation_id = mutation[1]
else:
mutation_cds.append(mutation[2])
mutation_aa.append(mutation[3])
tables['cosmic_data'] = [cosmic_data_colnames, cosmic_data_values]
# creating mutations table
gene_to_entry_id = uniprot_gene_to_entry_id_matching(proteins_values)
mutations_colnames = ['entry_id', 'gene_name', 'mutation_id']
mutations_values = []
mutation_id_to_mutation_aa = dict()
entry_id_to_mutation_id = dict()
for mutation in cosmic_data_values:
gene_name = mutation[0]
mutation_id = mutation[1]
mutation_aa = mutation[3]
entry_ids = gene_to_entry_id[gene_name]
# store mutation info
mutation_id_to_mutation_aa[mutation_id] = mutation_aa
for entry_id in entry_ids:
info = tuple([entry_id, gene_name, mutation_id])
mutations_values.append(info)
if entry_id not in entry_id_to_mutation_id:
entry_id_to_mutation_id[entry_id] = {mutation_id}
else:
entry_id_to_mutation_id[entry_id].add(mutation_id)
tables['mutations'] = [mutations_colnames, mutations_values]
entry_id_to_entry_name_and_seq = dict()
for proteins_value in proteins_values:
entry_id = proteins_value[0]
entry_name = proteins_value[1]
seq = proteins_value[6]
entry_id_to_entry_name_and_seq[entry_id] = [entry_name, seq]
entry_id_to_binding_sites = parse_site_info_to_dict(binding_sites_values)
entry_id_to_active_sites = parse_site_info_to_dict(active_sites_values)
entry_id_to_mutation_aa = dict()
for entry_id in entry_id_to_entry_name_and_seq:
seq = entry_id_to_entry_name_and_seq[entry_id][1]
entry_name = entry_id_to_entry_name_and_seq[entry_id][0]
if entry_id in entry_id_to_mutation_id:
mutation_ids = entry_id_to_mutation_id[entry_id]
mutation_aa = []
for mutation_id in mutation_ids:
mutation_aa = mutation_id_to_mutation_aa[mutation_id]
if entry_id in entry_id_to_mutation_aa:
entry_id_to_mutation_aa[entry_id].append([mutation_id, mutation_aa])
# entry_name_to_mutation_aa[entry_name] += ';{}'.format(mutation_aa)
else:
entry_id_to_mutation_aa[entry_id] = [[mutation_id, mutation_aa]]
# entry_name_to_mutation_aa[entry_name] = mutation_aa
# generated mutated sequence and filter unrecognized mutations
ELASPIC_entry = []
ESM_fold_fasta_entry = []
# parsing 3D protein structure info
structure_3d_colnames = ['entry_id', 'seq', 'entry_name', 'mutation_id', 'pLDDT', 'pTM', 'path']
structure_3d_values = []
for entry_id in entry_id_to_mutation_aa:
seq = entry_id_to_entry_name_and_seq[entry_id][1]
entry_name = entry_id_to_entry_name_and_seq[entry_id][0]
mutations = entry_id_to_mutation_aa[entry_id]
path = 'data/esmfold.log'
prediction_scores = []
with open(path, 'r') as f:
line = f.readline().strip()
while line:
line = line.split(',')
id, pLDDT, pTM = '', '', ''
for word in line[0].split(' '):
if 'HUMAN' in word:
id = word + '.pdb'
if 'pLDDT' in line[1]:
pLDDT = line[1].split(' ')[-1]
pLDDT = float(pLDDT)
if 'pTM' in line[2]:
pTM = line[2].split(' ')[2]
pTM = float(pTM)
prediction_scores.append((id, pLDDT, pTM))
line = f.readline().strip()
f.close()
prediction_scores = pd.DataFrame(prediction_scores, columns=['path', 'pLDDT', 'pTM'])
# add 3D protein structure info of original protein
if len(seq) <= 988:
prediction_score = prediction_scores.loc[prediction_scores['path'] == '{}.pdb'.format(entry_name),]
info = tuple([entry_id, seq, entry_name, None, prediction_score['pLDDT'].values[0], prediction_score['pTM'].values[0], '{}.pdb'.format(entry_name)])
structure_3d_values.append(info)
if ESM_fold_fasta:
line = '>{}\n{}'.format(entry_name, seq)
ESM_fold_fasta_entry.append(line)
for mutation in mutations:
mutation_id, mutation_aa = mutation
mutated_seq, recognized_mutations, unrecognized_mutations = create_mutated_seq(seq, mutation_aa)
# print(mutation_id, ';'.join(recognized_mutations))
# store valid mutations
if len(recognized_mutations) != 0:
for valid_mutation in recognized_mutations:
if ELASPIC_input:
ELASPIC_entry.append('{}.{}'.format(entry_name, valid_mutation[2:]))
# was unable to generate 3D structure due to computational issue
if len(seq) <= 988:
structure_3d = '{}_{}.pdb'.format(entry_name, mutation_id)
prediction_score = prediction_scores.loc[prediction_scores['path'] == structure_3d,]
info = tuple([entry_id, mutated_seq, entry_name, mutation_id, prediction_score['pLDDT'].values[0], prediction_score['pTM'].values[0], structure_3d])
structure_3d_values.append(info)
if ESM_fold_fasta:
recognized_mutations = [valid_mutation[2:] for valid_mutation in recognized_mutations]
line = '>{}\n{}'.format('{}_{}'.format(entry_name, mutation_id), mutated_seq)
ESM_fold_fasta_entry.append(line)
tables['structure_3d'] = [structure_3d_colnames, structure_3d_values]
# generate txt file containing entry for ELASPIC
if ELASPIC_input:
f = open("data/ELASPIC_entry.txt", "w")
f.write('\n'.join(ELASPIC_entry))
f.close()
# Load ELASPIC result if ELASPIC_input is False
elif not ELASPIC_input:
cwd = os.getcwd()
ELASPIC_path = os.path.join(cwd, 'data/ELASPIC/results.txt')
pd.options.display.max_colwidth = None
ELASPIC_df = pd.read_csv(ELASPIC_path, sep='\t', header=0)
# rename headers
ELASPIC_df.rename(columns={"Input_identifier": "entry_name", "UniProt_ID": "entry_id", "Mutation": "mutation_aa",
"COSMIC_mut_ID": 'mutation_id', "Interactor_UniProt_ID": "interact_with", "Final_ddG": "ddG",
}, inplace=True)
ELASPIC_df = ELASPIC_df.loc[:,['entry_id', 'entry_name', 'mutation_aa', 'mutation_id', 'interact_with', 'ddG']]
# parsing ELASPIC info
elaspic_colnames = ['entry_id', 'mutation_aa', 'mutation_id', 'mw_diff','interaction', 'binding_site', 'active_site', 'ddG']
elaspic_values = []
# find interacting entry_id from uniprot 'interactions' table
interacting_entry_id = []
for _, interaction in uniprot_tables['interactions'][1]:
interacting_entry_id.append(interaction)
for value in ELASPIC_df.values:
entry_id = value[0]
mutation_aa = value[2]
mutation_id = value[3]
interaction = value[4]
# if interaction not in interacting_entry_id:
# interaction = None
ddG = value[5]
# remove information does not have ddG value or mutation_id not in our filtered mutation_id list
if ddG != '-' and mutation_id in mutation_id_to_mutation_aa:
if mutation_id == '-':
mutation_ids = entry_id_to_mutation_id[entry_id]
for x in mutation_ids:
if 'p.{}'.format(mutation_aa) in mutation_id_to_mutation_aa[x]:
mutation_id = x
break
value = [entry_id, mutation_aa, mutation_id, '', '', '', '', '']
value = list(map(lambda x: x.replace('-', ''), value))
# convert ddG to float
value[-5] = get_difference_in_mw(mutation_aa)
value[-4] = interaction
value[-3] = False
value[-2] = False
value[-1] = float(ddG)
if entry_id in entry_id_to_binding_sites:
if int(mutation_aa[1:-1]) in entry_id_to_binding_sites[entry_id]:
value[-3] = True
# print(int(mutation_aa[1:-1]), entry_id_to_binding_sites[entry_id])
if entry_id in entry_id_to_active_sites:
if int(mutation_aa[1:-1]) in entry_id_to_active_sites[entry_id]:
value[-2] = True
# print(int(mutation_aa[1:-1]), entry_id_to_active_sites[entry_id])
info = tuple(value)
# print(info)
elaspic_values.append(info)
tables['elaspic'] = [elaspic_colnames, elaspic_values]
# write fasta file for ESMfold entry
if ESM_fold_fasta:
f = open("data/ESM_fold_entry.fasta", "w")
f.write('\n'.join(ESM_fold_fasta_entry))
f.close()
# parsing pymol_align info
pymol_align_colnames = ['mutation_id', 'path']
pymol_align_values = []
alignments = os.listdir('data/alignments')
mutation_id = ''
for alignment in alignments:
if alignment != '.DS_Store':
mutation_id = alignment.split('_')[-1][:-4]
pymol_align_values.append(tuple([mutation_id, alignment]))
tables['pymol_align'] = [pymol_align_colnames, pymol_align_values]
return tables
# cwd = os.getcwd()
# uniprot_tsv_file = 'data/uniprot_breast_cancer.tsv'
# cosmic_tsv_file = 'data/cosmic_filtered.tsv'
# uniprot_tables = uniprot_tsv_to_tables(os.path.join(cwd, uniprot_tsv_file))
# proteins_colnames, proteins_values = uniprot_tables['proteins']
# cosmic_tables = cosmic_tsv_to_tables(os.path.join(cwd, cosmic_tsv_file), uniprot_tables)