Structure of PDB 4oca Chain A

Receptor sequence

>4ocaA (length=363) Species: 90371 (Salmonella enterica subsp. enterica serovar Typhimurium)

SDFLPFSRPAMGAEELAAVKTVLDSGWITTGPKNQELEAAFCRLTGNQYA
VAVSSATAGMHIALMALGIGEGDEVITPSMTWVSTLNMIVLLGANPVMVD
VDRDTLMVTPEHIEAAITPQTKAIIPVHYAGAPADLDAIYALGERYGIPV
IEDAAHATGTSYKGRHIGARGTAIFSFHAIANITCAEGGIVVTDNPQFAD
KLRSLKFHGLGAEVLAPGYKYNLPDLNAAIALAQLQKLDALNARRAAIAA
QYHQAMADLPFQPLSLPSWEHIHAWHLFIIRVDEARCGITRDALMASLKT
KGIGTGLHFRAAHTQKYYRERFPTLTLPDTEWNSERICSLPLFPDMTESD
FDRVITALHQIAG

3D structure

• PDB: 4oca Structural Basis for Substrate Specificity in ArnB. A Key Enzyme in the Polymyxin Resistance Pathway of Gram-Negative Bacteria.
• Chain: A
• Resolution: 2.3 Å

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	2QR	A	F13 S14 P16 A63 T64 W89 D160 A162 H163 S183 H185 A186 I187 H329 F330	F6 S7 P9 A56 T57 W82 D153 A155 H156 S176 H178 A179 I180 H308 F309

Gene Ontology

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UnboundLocalError

Python 3.6.8: /usr/bin/python3 Fri Nov 15 11:46:41 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 = '4oca', asym_id = 'A', title = 'Structural Basis for Substrate Specificity in Ar...xin Resistance Pathway of Gram-Negative Bacteria.'

 /var/www/html/BioLiP/pdb.cgi in display_protein_receptor(pdbid='4oca', asym_id='A', title='Structural Basis for Substrate Specificity in Ar...xin Resistance Pathway of Gram-Negative Bacteria.')

    839 

    840     if go:

=>  841         display_go(go,uniprot,pdbid,asym_id)

    842     return pubmed,uniprot

    843 

global display_go = <function display_go>, go = '0008483', uniprot = '', pdbid = '4oca', asym_id = 'A'

 /var/www/html/BioLiP/pdb.cgi in display_go(go='0008483', uniprot='', pdbid='4oca', 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>