Structure of PDB 5a1s Chain D

Receptor sequence
>5a1sD (length=434) Species: 28901 (Salmonella enterica) [Search protein sequence]
ASDLLRFKIFGMPLPLYAFALITLLLSHFYNAIPTDLVGGFALMFVMGAI
FGEIGKRLPIFNKYIGGAPVMIFLVAAYFVYAGIFTQKEIDAISNVMDKS
NFLNLFIAVLITGAILSVNRKLLLKSLLGYIPTILAGIVGASLFGIVIGL
CFGIPVDRIMMLYVLPIMGGGNGAGAVPLSEIYHSVTGRSREEYYSTAIA
ILTIANIFAIIFAALLDMVGKKYTWLSGEGELVRKASFKTEDDEKAGQIT
HRETAVGMVLSTTCFLLAYVVAKKILPSIGGVSIHYFAWMVLIVAALNAS
GLCSPEIKAGAKRLSDFFSKQLLWVLMVGVGVCYTDLQEIIDALTFANVV
IAAIIVVGAVVGAAIGGWLIGFYPIESSITAGLCMANRGGSGDLEVLSAC
NRMNLISYAQISSRLGGGIVLVIASIVFSMMVLE
3D structure
PDB5a1s Mechanism of Na(+)-dependent citrate transport from the structure of an asymmetrical CitS dimer.
ChainD
Resolution2.5 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 NA D C398 M399 N401 G403 D407 S427 C384 M385 N387 G389 D393 S413
BS02 NA D I181 M182 G183 M399 A400 N401 I167 M168 G169 M385 A386 N387
BS03 FLC D L337 G403 G404 S405 L323 G389 G390 S391
Gene Ontology
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UnboundLocalError		Python 3.6.8: /usr/bin/python3
Sat Feb 22 00:22:29 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 = '5a1s', asym_id = 'D', title = 'Mechanism of Na(+)-dependent citrate transport from the structure of an asymmetrical CitS dimer.'
 /var/www/html/BioLiP/pdb.cgi in display_protein_receptor(pdbid='5a1s', asym_id='D', title='Mechanism of Na(+)-dependent citrate transport from the structure of an asymmetrical CitS dimer.')
    839 
    840     if go:
=>  841         display_go(go,uniprot,pdbid,asym_id)
    842     return pubmed,uniprot
    843 
global display_go = <function display_go>, go = '0008514,0015711,0016020', uniprot = '', pdbid = '5a1s', asym_id = 'D'
 /var/www/html/BioLiP/pdb.cgi in display_go(go='0008514,0015711,0016020', uniprot='', pdbid='5a1s', 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>