Structure of PDB 4jkr Chain J

Receptor sequence
>4jkrJ (length=1338) Species: 595496 (Escherichia coli BW2952) [Search protein sequence]
TEEFDAIKIALASPDMIRSWSFGEVKKPETINYRTFKPERDGLFCARIFG
PVKDYECLCGKYKRLKHRGVICEKCGVEVTQTKVRRERMGHIELASPTAH
IWFLKSLPSRIGLLLDMPLRDIERVLYFESYVVIEGGMTNLERQQILTEE
QYLDALEEFGDEFDAKMGAEAIQALLKSMDLEQECEQLREELNETNSETK
RKKLTKRIKLLEAFVQSGNKPEWMILTVLPVLPPDLRPLVPLDGGRFATS
DLNDLYRRVINRNNRLKRLLDLAAPDIIVRNEKRMLQEAVDALLDNGRRG
RAITGSNKRPLKSLADMIKGKQGRFRQNLLGKRVDYSGRSVITVGPYLRL
HQCGLPKKMALELFKPFIYGKLELRGLATTIKAAKKMVEREEAVVWDILD
EVIREHPVLLNRAPTLHRLGIQAFEPVLIEGKAIQLHPLVCAAYNADFDG
DQMAVHVPLTLEAQLEARALMMSTNNILSPANGEPIIVPSQDVVLGLYYM
TRDCVNAKGEGMVLTGPKEAERLYRSGLASLHARVKVRITEYEKDANGEL
VAKTSLKDTTVGRAILWMIVPKGLPYSIVNQALGKKAISKMLNTCYRILG
LKPTVIFADQIMYTGFAYAARSGASVGIDDMVIPEKKHEIISEAEAEVAE
IQEQFQSGLVTAGERYNKVIDIWAAANDRVSKAMMDNLQTETVINRDGQE
EKQVSFNSIYMMADSGARGSAAQIRQLAGMRGLMAKPDGSIIETPITANF
REGLNVLQYFISTHGARKGLADTALKTANSGYLTRRLVDVAQDLVVTEDD
CGTHEGIMMTPVIEGGDVKEPLRDRVLGRVTAEDVLKPGTADILVPRNTL
LHEQWCDLLEENSVDAVKVRSVVSCDTDFGVCAHCYGRDLARGHIINKGE
AIGVIAAQSIGEPGTQLESSIQVKNKGSIKLSNVKSVVNSSGKLVITSRN
TELKLIDEFGRTKESYKVPYGAVLAKGDGEQVAGGETVANWDPHTMPVIT
EVSGFVRFTDMIDGQTITRQTDELTGLSSLVVLDSAERTAGGKDLRPALK
IVDAQGNDVLIPGTDMPAQYFLPGKAIVQLEDGVQISSGDTLARIPQGGL
PRVADLFEARRPKEPAILAEISGIVSFGKETKGKRRLVITPVDGSDPYEE
MIPKWRQLNVFEGERVERGDVISDGPEAPHDILRLRGVHAVTRYIVNEVQ
DVYRLQGVKINDKHIEVIVRQMLRKATIVNAGSSDFLEGEQVEYSRVKIA
NRELEANGKVGATYSRDLLGITKASLATESFISAASFQETTRVLTEAAVA
GKRDELRGLKENVIVGRLIPAGTGYAYHQDRMRRRAAG
3D structure
PDB4jkr The mechanism of E. coli RNA polymerase regulation by ppGpp is suggested by the structure of their complex.
ChainJ
Resolution4.2 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 ZN J C70 C72 C88 C57 C59 C75
BS02 ZN J C814 C895 C801 C882
Gene Ontology
--> -->
 
 
UnboundLocalError		Python 3.6.8: /usr/bin/python3
Sun Nov 17 21:57:05 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 = '4jkr', asym_id = 'J', title = 'The mechanism of E. coli RNA polymerase regulati...p is suggested by the structure of their complex.'
 /var/www/html/BioLiP/pdb.cgi in display_protein_receptor(pdbid='4jkr', asym_id='J', title='The mechanism of E. coli RNA polymerase regulati...p is suggested by the structure of their complex.')
    839 
    840     if go:
=>  841         display_go(go,uniprot,pdbid,asym_id)
    842     return pubmed,uniprot
    843 
global display_go = <function display_go>, go = '0003677,0003899,0006351', uniprot = '', pdbid = '4jkr', asym_id = 'J'
 /var/www/html/BioLiP/pdb.cgi in display_go(go='0003677,0003899,0006351', uniprot='', pdbid='4jkr', asym_id='J')
    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>