Structure of PDB 3a7k Chain D Binding Site BS04

Receptor Information
>3a7k Chain D (length=259) Species: 348780 (Natronomonas pharaonis DSM 2160) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
VTQRELFEFVLNDPLLASSLYINIALAGLSILLFVFMTRGLDDPRAKLIA
VSTILVPVVSIASYTGLASGLTISVLEMPAGHFAEGSSVMLGGEEVDGVV
TMWGRYLTWALSTPMILLALGLLAGSNATKLFTAITFDIAMCVTGLAAAL
TTSSHLMRWFWYAISCACFIVVLYILLVEWAQDAKAAGTADIFSTLKLLT
VVMWLGYPIVWALGVEGVAVLPVGYTSWAYSALDIVAKYIFAFLLLNYLT
SNEGVVSGS
Ligand information
Ligand IDCL
InChIInChI=1S/ClH/h1H/p-1
InChIKeyVEXZGXHMUGYJMC-UHFFFAOYSA-M
SMILES
SoftwareSMILES
ACDLabs 10.04
CACTVS 3.341
OpenEye OEToolkits 1.5.0		[Cl-]
FormulaCl
NameCHLORIDE ION
ChEMBL
DrugBankDB14547
ZINC
PDB chain3a7k Chain D Residue 401 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3a7k Crystal Structure of the Light-Driven Chloride Pump Halorhodopsin from Natronomonas pharaonis.
Resolution2.0 Å
Binding residue
(original residue number in PDB)		T126 S130 K256
Binding residue
(residue number reindexed from 1)		T108 S112 K238
Annotation score3
Gene Ontology
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UnboundLocalError		Python 3.6.8: /usr/bin/python3
Fri Nov 22 17:33:28 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 = '3a7k', asym_id = 'D', bs = 'BS04', title = 'Crystal Structure of the Light-Driven Chloride Pump Halorhodopsin from Natronomonas pharaonis.'
 /var/www/html/BioLiP/pdb.cgi in display_interaction(pdbid='3a7k', asym_id='D', bs='BS04', title='Crystal Structure of the Light-Driven Chloride Pump Halorhodopsin from Natronomonas pharaonis.')
   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 = '0005216,0006811,0016020', uniprot = '', pdbid = '3a7k', asym_id = 'D'
 /var/www/html/BioLiP/pdb.cgi in display_go(go='0005216,0006811,0016020', uniprot='', pdbid='3a7k', asym_id='D')
    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>