Structure of PDB 6szk Chain MMM

Receptor sequence
>6szkMMM (length=551) Species: 1268991 (Escherichia coli 908519) [Search protein sequence]
SQRITIDPVTRIEGHLRIDCEIENGVVSKAWASGTMWRGMEEIVKNRDPR
DAWMIVQRICGVCTTTHALSSVRAAESALNIDVPVNAQYIRNIILAAHTT
HDHIVHFYQLSALDWVDITSALQADPTKASEMLKGVSTWHLNSPEEFTKV
QNKIKDLVASGQLGIFANGYWGHPAMKLPPEVNLIAVAHYLQALECQRDA
NRVVALLGGKTPHIQNLAVGGVANPINLDGLGVLNLERLMYIKSFIDKLS
DFVEQVYKVDTAVIAAFYPEWLTRGKGAVNYLSVPEFPTDSKNGSFLFPG
GYIENADLSSYRPITSHSDEYLIKGIQESAKHSWYKDEAPQAPWEGTTIP
AYDGWSDDGKYSWVKSPTFYGKTVEVGPLANMLVKLAAGRESTQNKLNEI
VAIYQKLTGNTLEVAQLHSTLGRIIGRTVHCCELQDILQNQYSALITNIG
KGDHTTFVKPNIPATGEFKGVGFLEAPKGMLSHWMVIKDGIISNYQAVVP
STWNSGPRNFNDDVGPYEQSLVGTPVADPNKPLEVVRTIHSFDPCMACAV
H
3D structure
PDB6szk Hydrogen activation by NiFe-hydrogenases - consolidating the role of the pendant arginine.
ChainMMM
Resolution1.2 Å
3D
structure
Catalytic site residues are labeled in the 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 SF4 MMM R59 H214 R58 H213
BS02 FCO MMM C64 H68 P478 K479 L482 V500 P501 S502 C546 C549 C63 H67 P477 K478 L481 V499 P500 S501 C545 C548
BS03 MG MMM E42 A498 H552 E41 A497 H551
Gene Ontology
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UnboundLocalError		Python 3.6.8: /usr/bin/python3
Fri Nov 15 19:25:12 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>()
   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 = '6szk', asym_id = 'MMM', title = 'Hydrogen activation by NiFe-hydrogenases - consolidating the role of the pendant arginine.'
 /var/www/html/BioLiP/pdb.cgi in display_protein_receptor(pdbid='6szk', asym_id='MMM', title='Hydrogen activation by NiFe-hydrogenases - consolidating the role of the pendant arginine.')
    839 
    840     if go:
=>  841         display_go(go,uniprot,pdbid,asym_id)
    842     return pubmed,uniprot
    843 
global display_go = <function display_go>, go = '0008901,0016151', uniprot = '', pdbid = '6szk', asym_id = 'MMM'
 /var/www/html/BioLiP/pdb.cgi in display_go(go='0008901,0016151', uniprot='', pdbid='6szk', asym_id='MMM')
    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>