Structure of PDB 4kx6 Chain B Binding Site BS03

Receptor Information
>4kx6 Chain B (length=243) Species: 595496 (Escherichia coli BW2952) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
AEMKNLKIEVVRYNPEVDTAPHSAFYEVPYDATTSLLDALGYIKDNLAPD
LSYRWSCRMAICGSCGMMVNNVPKLACKTFLRDYTDGMKVEALANFPIER
DLVVDMTHFIESLEAIKPYIIGNSRTADQGTNIQTPAQMAKYHQFSGCIN
CGLCYAACPQFGLNPEFIGPAAITLAHRYNEDSRDHGKKERMAQLNSQNG
VWSCTFVGYCSEVCPKHVDPAAAIQQGKVESSKDFLIATLKPR
Ligand information
Ligand IDSF4
InChIInChI=1S/4Fe.4S
InChIKeyLJBDFODJNLIPKO-UHFFFAOYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 2.0.7[S]12[Fe]3[S]4[Fe]1[S]5[Fe]2[S]3[Fe]45
CACTVS 3.385S1[Fe]S[Fe]1.S2[Fe]S[Fe]2
FormulaFe4 S4
NameIRON/SULFUR CLUSTER
ChEMBL
DrugBank
ZINC
PDB chain4kx6 Chain B Residue 303 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB4kx6 Plasticity of the Quinone-binding Site of the Complex II Homolog Quinol:Fumarate Reductase.
Resolution2.95 Å
Binding residue
(original residue number in PDB)		C148 I149 N150 C151 G152 C154 A171 C214
Binding residue
(residue number reindexed from 1)		C148 I149 N150 C151 G152 C154 A171 C214
Annotation score4
Gene Ontology
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UnboundLocalError		Python 3.6.8: /usr/bin/python3
Sun Nov 17 12:54:35 2024

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>()
   1435     title=pdb2title(pdbid)
   1436     if bs.startswith("BS"):
=> 1437         pubmed,uniprot=display_interaction(pdbid,asym_id,bs,title)
   1438     else:
   1439         if lig3:
pubmed = '', uniprot = '', display_interaction = <function display_interaction>, pdbid = '4kx6', asym_id = 'B', bs = 'BS03', title = 'Plasticity of the Quinone-binding Site of the Complex II Homolog Quinol:Fumarate Reductase.'
 /var/www/html/BioLiP/pdb.cgi in display_interaction(pdbid='4kx6', asym_id='B', bs='BS03', title='Plasticity of the Quinone-binding Site of the Complex II Homolog Quinol:Fumarate Reductase.')
   1295         display_ec(ec,csaOrig,csaRenu)
   1296     if go:
=> 1297         display_go(go,uniprot,pdbid,asym_id)
   1298     return pubmed,uniprot
   1299 
global display_go = <function display_go>, go = '0006099,0009055,0016491,0051536,0051537', uniprot = '', pdbid = '4kx6', asym_id = 'B'
 /var/www/html/BioLiP/pdb.cgi in display_go(go='0006099,0009055,0016491,0051536,0051537', uniprot='', pdbid='4kx6', 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>