Structure of PDB 4po2 Chain B

Receptor sequence
>4po2B (length=215) Species: 9606 (Homo sapiens) [Search protein sequence]
DVAPLSLGLETAGGVMTALIKRNSTIPTKQTQIFTTYSDNQPGVLIQVYE
GERAMTKDNNLLGRFELSGIPPAPRGVPQIEVTFDIDANGILNVTATDKS
TGKANKITITNLSKEEIERMVQEAEKYKAEDEVQRERVSAKNALESYAFN
MKSAVEDEGLKGKISEADKKKVLDKCQEVISWLDANTLAEKDEFEHKRKE
LEQVCNPIISGLYQG
3D structure
PDB4po2 Crystal structure of the stress-inducible human heat shock protein 70 substrate-binding domain in complex with Peptide substrate.
ChainB
Resolution2.0 Å
3D
structure
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Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 peptide B T405 A406 I427 F428 T429 Y431 Q435 G437 V438 L439 Q473 T11 A12 I33 F34 T35 Y37 Q41 G43 V44 L45 Q79
Gene Ontology
--> -->
 
 
UnboundLocalError		Python 3.6.8: /usr/bin/python3
Fri Feb 21 02:50:39 2025

A problem occurred in a Python script. Here is the sequence of function calls leading up to the error, in the order they occurred.

 /var/www/html/BioLiP/pdb.cgi in <module>()
   1443                 pubmed=display_regular_ligand(pdbid,asym_id,lig3,ligIdx,title)
   1444         else:
=> 1445             pubmed,uniprot=display_protein_receptor(pdbid,asym_id,title)
   1446     
   1447     uniprot_line=''
pubmed = '', uniprot = '', display_protein_receptor = <function display_protein_receptor>, pdbid = '4po2', asym_id = 'B', title = 'Crystal structure of the stress-inducible human ...binding domain in complex with Peptide substrate.'
 /var/www/html/BioLiP/pdb.cgi in display_protein_receptor(pdbid='4po2', asym_id='B', title='Crystal structure of the stress-inducible human ...binding domain in complex with Peptide substrate.')
    839 
    840     if go:
=>  841         display_go(go,uniprot,pdbid,asym_id)
    842     return pubmed,uniprot
    843 
global display_go = <function display_go>, go = '0005524,0140662', uniprot = '', pdbid = '4po2', asym_id = 'B'
 /var/www/html/BioLiP/pdb.cgi in display_go(go='0005524,0140662', uniprot='', pdbid='4po2', asym_id='B')
    480         '''.replace("$namespace_link",namespace_link
    481           ).replace("$namespace",namespace
=>  482           ).replace("$uniprot",u
    483         ))
    484         for l,(term,name) in enumerate(go2aspect[Aspect]):
u undefined

UnboundLocalError: local variable 'u' referenced before assignment
      args = ("local variable 'u' referenced before assignment",)
      with_traceback = <built-in method with_traceback of UnboundLocalError object>