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50482d6
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Parent(s):
e837258
Create retrieveUniprotSequences.py
Browse files
code/retrieveUniprotSequences.py
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import pandas as pd
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import numpy as np
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from add_sequence import *
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def create_isoforms(uniprot_id, isoform_fasta):
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if uniprot_id not in isoform_fasta.uniprotID.to_list():
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isoform_current = pd.DataFrame(get_isoforms(uniprot_id).items(), columns=['uniprotID', 'isoformSequence'])
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isoform_current['whichIsoform'] = isoform_current['uniprotID'].apply(lambda x: x[7:10].strip())
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isoform_current['uniprotID'] = isoform_current['uniprotID'].apply(lambda x: x[0:6])
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isoform_fasta = pd.concat([isoform_fasta, isoform_current], axis=0)
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return isoform_fasta
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def add_isoform(isoform_fasta, uniprot_id, variation_position, wild_type):
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if len(isoform_fasta) != 0:
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isoList = isoform_fasta[isoform_fasta['uniprotID'] == uniprot_id].isoformSequence.to_list()
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for k in isoList:
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if len(k) >= int(variation_position):
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resInIso = k[int(int(variation_position) - 1)]
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if wild_type == resInIso:
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whichIsoform_ = isoform_fasta[isoform_fasta.isoformSequence == k].whichIsoform.to_list()[0]
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wt_sequence_match = 'i'
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break
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else:
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whichIsoform_ = np.NaN
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wt_sequence_match = np.NaN
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else:
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whichIsoform_ = np.NaN
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wt_sequence_match = np.NaN
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return whichIsoform_, wt_sequence_match
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def add_uniprot_sequence(DATAFRAME):
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CANONICAL_FASTA = pd.DataFrame(columns=['uniprotID', 'uniprotSequence'])
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ISOFORM_FASTA = pd.DataFrame(columns=['uniprotID', 'isoformSequence'])
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UNIPROT_ID_LIST = list(set(DATAFRAME['uniprotID'].to_list()))
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for i in range(len(UNIPROT_ID_LIST)):
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CANONICAL_FASTA.at[i, 'uniprotSequence'] = get_uniprot_seq(UNIPROT_ID_LIST[i])
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CANONICAL_FASTA.at[i, 'uniprotID'] = UNIPROT_ID_LIST[i]
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canonical_fasta = CANONICAL_FASTA.drop_duplicates()
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DATAFRAME = DATAFRAME.merge(canonical_fasta, on='uniprotID', how='left')
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DATAFRAME['uniprotSequence'].replace({'': np.NaN}, inplace=True)
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for i in DATAFRAME.index:
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UNIPROT_ID = DATAFRAME.at[i, 'uniprotID']
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VARIATION_POSITION = DATAFRAME.at[i, 'pos']
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WILDTYPE = DATAFRAME.at[i, 'wt']
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if len(DATAFRAME.loc[i, 'uniprotSequence']) >= int(VARIATION_POSITION):
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can = str(DATAFRAME.at[i, 'uniprotSequence'])[int(VARIATION_POSITION) - 1]
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if WILDTYPE == can:
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DATAFRAME.loc[i, 'wt_sequence_match'] = 'm'
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elif WILDTYPE != can:
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ISOFORM_FASTA = create_isoforms(UNIPROT_ID, ISOFORM_FASTA)
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ISOFORM_NUM, MATCH_STAT = add_isoform(ISOFORM_FASTA, UNIPROT_ID, VARIATION_POSITION, WILDTYPE)
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ISOFORM_SEQUENCE = ISOFORM_FASTA[(ISOFORM_FASTA['uniprotID'] == UNIPROT_ID) &
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(ISOFORM_FASTA['whichIsoform'] == ISOFORM_NUM)].isoformSequence.values
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DATAFRAME.at[i,'whichIsoform'] = ISOFORM_NUM
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DATAFRAME.at[i, 'wt_sequence_match'] = MATCH_STAT
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DATAFRAME.at[i, 'uniprotSequence'] = ISOFORM_SEQUENCE
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elif len(DATAFRAME.at[i, 'uniprotSequence']) < int(VARIATION_POSITION):
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ISOFORM_FASTA = create_isoforms(ISOFORM_FASTA, UNIPROT_ID)
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ISOFORM_NUM, MATCH_STAT = add_isoform(ISOFORM_FASTA, UNIPROT_ID, VARIATION_POSITION, WILDTYPE)
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ISOFORM_SEQUENCE = ISOFORM_FASTA[(ISOFORM_FASTA['uniprotID'] == UNIPROT_ID) &
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( ISOFORM_FASTA['whichIsoform'] == ISOFORM_NUM)].isoformSequence.values
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DATAFRAME.at[i, 'whichIsoform'] = ISOFORM_NUM
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DATAFRAME.at[i, 'wt_sequence_match'] = MATCH_STAT
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DATAFRAME.at[i, 'uniprotSequence'] = ISOFORM_SEQUENCE
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DATAFRAME['uniprotSequence'] = DATAFRAME['uniprotSequence'].apply(lambda x: x[0] if (type(x) != str and len(x)>0) else x)
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DATAFRAME['uniprotSequence'] = DATAFRAME['uniprotSequence'].apply(lambda x: np.NaN if (type(x) != str and len(x) == 0) else x)
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print('>> Sequence files created...\n')
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return DATAFRAME
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