Structure of PDB 4xeq Chain A

Receptor sequence
>4xeqA (length=303) Species: 573059 (Nitratidesulfovibrio vulgaris RCH1) [Search protein sequence]
AEDITLAVVTKPGSAQYVCAERFAQLLAERSDKRFNVVLHHSASLGTETD
ILQQVQLGAVQMAIVTTGTLDAFVPEMAALDFPFLFTDTTTADRVLDGPV
GRGLLDRLSTAGFKGLHFSENGFRHLTNSIRPVMTPDDVRGLKIRVMESQ
VHRELWRTLGANPTPMGWPIYAELQQGTLDGQENPLWVIAEYRLNEVQKH
LSLTGHVYSTHTDLANLAWFEALPANDRRLLASCMQDAALWQRTWSRQRD
AAYLEQLRTAGMQVIERPDIATFRQRVQPLSGSALFEHKGVRKALEDLMA
ATR
3D structure
PDB4xeq CRYSTAL STRUCTURE OF A TRAP PERIPLASMIC SOLUTE BINDING PROTEIN FROM DESULFOVIBRIO VULGARIS (Deval_0042, TARGET EFI-510114) BOUND TO COPURIFIED (R)-PANTOIC ACID
ChainA
Resolution1.7 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 PAF A Q52 T102 R160 R181 M183 W204 N220 H247 Q16 T66 R124 R145 M147 W168 N184 H211
Gene Ontology
--> -->
 
 
UnboundLocalError		Python 3.6.8: /usr/bin/python3
Wed Mar 12 14:45:00 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 = '4xeq', asym_id = 'A', title = 'CRYSTAL STRUCTURE OF A TRAP PERIPLASMIC SOLUTE B...EFI-510114) BOUND TO COPURIFIED (R)-PANTOIC ACID '
 /var/www/html/BioLiP/pdb.cgi in display_protein_receptor(pdbid='4xeq', asym_id='A', title='CRYSTAL STRUCTURE OF A TRAP PERIPLASMIC SOLUTE B...EFI-510114) BOUND TO COPURIFIED (R)-PANTOIC ACID ')
    839 
    840     if go:
=>  841         display_go(go,uniprot,pdbid,asym_id)
    842     return pubmed,uniprot
    843 
global display_go = <function display_go>, go = '0030288,0055085', uniprot = '', pdbid = '4xeq', asym_id = 'A'
 /var/www/html/BioLiP/pdb.cgi in display_go(go='0030288,0055085', uniprot='', pdbid='4xeq', asym_id='A')
    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>