Structure of PDB 7xgn Chain A

Receptor sequence
>7xgnA (length=297) Species: 68260 (Streptomyces pyridomyceticus) [Search protein sequence]
AEAWSPATDERLRAAGIDAEDARRVVVTALEEDLRYGADVTSDATVPADA
VTEAVVASRQPGVLAGLPVALAVLDLVTGGRFEVAECRADGDRLGPGDVA
LRVTAATRELLVAERTMLNLLCHLSGVATLTARWNDALAGTHCKVRDSRK
TLPGLRLLEKYAVRRGGGQNHRLGLGDAILIKDNHIVAGGSAGAALQAAR
AHTPGLPCEVEVTTLAELDEVLALGADEVMLDNFTVEQCVEAVRRRDAAR
TRTRLEASGGLTLDVAAAYARTGVDLLAVGALTHSAPALDLGLDFAP
3D structure
PDB7xgn Bifunctional NadC Homologue PyrZ Catalyzes Nicotinic Acid Formation in Pyridomycin Biosynthesis.
ChainA
Resolution2.6 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 NIO A S150 R151 H173 R174 L182 K184 M232 S148 R149 H171 R172 L180 K182 M230
Gene Ontology
--> -->
 
 
UnboundLocalError		Python 3.6.8: /usr/bin/python3
Sun Dec 1 18:33:35 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>()
   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 = '7xgn', asym_id = 'A', title = 'Bifunctional NadC Homologue PyrZ Catalyzes Nicotinic Acid Formation in Pyridomycin Biosynthesis.'
 /var/www/html/BioLiP/pdb.cgi in display_protein_receptor(pdbid='7xgn', asym_id='A', title='Bifunctional NadC Homologue PyrZ Catalyzes Nicotinic Acid Formation in Pyridomycin Biosynthesis.')
    839 
    840     if go:
=>  841         display_go(go,uniprot,pdbid,asym_id)
    842     return pubmed,uniprot
    843 
global display_go = <function display_go>, go = '0004514,0009435,0016763', uniprot = '', pdbid = '7xgn', asym_id = 'A'
 /var/www/html/BioLiP/pdb.cgi in display_go(go='0004514,0009435,0016763', uniprot='', pdbid='7xgn', 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>