Structure of PDB 4gw9 Chain A

Receptor sequence

>4gw9A (length=628) Species: 258594 (Rhodopseudomonas palustris CGA009)

GSPAFGTADLSNCEREEIHLAGSIQPHGALLVVSEPDHRIIQASANAAEF
LNLGSVLGVPLAEIDGDLLIKILPHLDPTAEGMPVAVRCRIGNPSTEYDG
LMHRPPEGGLIIELERAGPPIDLSGTLAPALERIRTAGSLRALCDDTALL
FQQCTGYDRVMVYRFDEQGHGEVFSERHVPGLESYFGNRYPSSDIPQMAR
RLYERQRVRVLVDVSYQPVPLEPRLSPLTGRDLDMSGCFLRSMSPIHLQY
LKNMGVRATLVVSLVVGGKLWGLVACHHYLPRFIHFELRAICELLAEAIA
TRITALESFAQSQSELFVQRLEQRMIEAITREGDWRAAIFDTSQSILQPL
HADGCALVYEDQIRTIGDVPSTQDVREIAGWLDRQPRAAVTSTASLGLDV
PELAHLTRMASGVVAAPISDHRGEFLMWFRPERVHTVTWGGDPKKPFTMG
DTPADLSPRRSFAKWHQVVEGTSDPWTAADLAAARTIGQTVADIVLQFRA
VRTLIAREQYEQFSSQVHASMQPVLITDAEGRILLMNDSFRDMLPAGSPS
AVHLDDLAGFFVESNDFLRNVAELIDHGRGWRGEVLLRGAGNRPLPLAVR
ADPVTRTEDQSLGFVLIFSDATDRRTAD

3D structure

• PDB: 4gw9 Structure of a bacteriophytochrome and light-stimulated protomer swapping with a gene repressor.
• Chain: A
• Resolution: 2.9 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	BLA	A	C20 Y170 Y197 D201 I202 P203 Y210 R216 M250 I253 H254 Y257 T266 V268 H284 P465	C13 Y163 Y190 D194 I195 P196 Y203 R209 M243 I246 H247 Y250 T259 V261 H277 P458

Gene Ontology

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UnboundLocalError

Python 3.6.8: /usr/bin/python3 Fri Feb 21 18:19:59 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 = '4gw9', asym_id = 'A', title = 'Structure of a bacteriophytochrome and light-stimulated protomer swapping with a gene repressor.'

 /var/www/html/BioLiP/pdb.cgi in display_protein_receptor(pdbid='4gw9', asym_id='A', title='Structure of a bacteriophytochrome and light-stimulated protomer swapping with a gene repressor.')

    839 

    840     if go:

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

    842     return pubmed,uniprot

    843 

global display_go = <function display_go>, go = '0006355,0009584', uniprot = '', pdbid = '4gw9', asym_id = 'A'

 /var/www/html/BioLiP/pdb.cgi in display_go(go='0006355,0009584', uniprot='', pdbid='4gw9', 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>