Structure of PDB 4s20 Chain I Binding Site BS01

Receptor Information

>4s20 Chain I (length=1160) Species: 562 (Escherichia coli)

TKTEEFDAIKIALASPDMIRSWSFGEVKKPETINYRTFKPERDGLFCARI
FGPVKDYECLCGKYKRLKHRGVICEKCGVEVTQTKVRRERMGHIELASPT
AHIWFLKSLPSRIGLLLDMPLRDIERVLYFESYVVIEGGMTNLERQQILT
EEQYLDALEEFGDEFDAKMGAEAIQALLKSMDLEQECEQLREELNETNSE
TKRKKLTKRIKLLEAFVQSGNKPEWMILTVLPVLPPDLRPLVPLDGGRFA
TSDLNDLYRRVINRNNRLKRLLDLAAPDIIVRNEKRMLQEAVDALLDNGR
RGRAITGSNKRPLKSLADMIKGKQGRFRQNLLGKRVDYSGRSVITVGPYL
RLHQCGLPKKMALELFKPFIYGKLELRGLATTIKAAKKMVEREEAVVWDI
LDEVIREHPVLLNRAPTLHRLGIQAFEPVLIEGKAIQLHPLVCAAYNADF
DGDQMAVHVPLTLEAQLEARALMMSTNNILSPANGEPIIVPSQDVVLGLY
YMTRDCVNAKGEGMVLTGPKEAERLYRSGLASLHARVKVRITEYEKDANG
ELVAKTSLKDTTVGRAILWMIVPKGLPYSIVNQALGKKAISKMLNTCYRI
LGLKPTVIFADQIMYTGFAYAARSGASVGIDDMVIPEKKHEIISEAEAEV
AEIQEQFQSGLVTAGERYNKVIDIWAAANDRVSKAMMDNLQTETVINRDG
QEEKQVSFNSIYMMADSGARGSAAQIRQLAGMRGLMAKPDGSIIETPITA
NFREGLNVLQYFISTHGARKGLADTALKTANSGYLTRRLVDVAQDLVVTE
DDCGTHEGIMMTPVIEGGDVKEPLRDRVLGRVTAEDVLKPGTADILVPRN
TLLHEQWCDLLEENSVDAVKVRSVVSCDTDFGVCAHCYGRDLARGHIINK
GEAIGVIAAQSIGEPGTQLGGLPRVADLFEARRPKEPAILAEISGIVSFG
KETKGKRRLVITPVDGSDPYEEMIPKWRQLNVFEGERVERGDVISDGPEA
PHDILRLRGVHAVTRYIVNEVQDVYRLQGVKINDKHIEVIVRQMLRKATI
VNAGSSDFLEGEQVEYSRVKIANRELEANGKVGATYSRDLLGITKASLAT
ESFISAASFQETTRVLTEAAVAGKRDELRGLKENVIVGRLIPAGTGYAYH
QDRMRRRAAG

Ligand information

>4s20 Chain M (length=15)

acgactgagccgatg

Receptor-Ligand Complex Structure

Structure summary

• PDB: 4s20 Structural basis for transcription reactivation by RapA.
• Resolution: 4.7 Å
• Binding residue (original residue number in PDB): R259 F260 A261 T262 D267 K334 L343 R352 T790 A791
• Binding residue (residue number reindexed from 1): R248 F249 A250 T251 D256 K323 L332 R341 T779 A780

Gene Ontology

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UnboundLocalError

Python 3.6.8: /usr/bin/python3 Thu Nov 28 22:12:17 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>()

   1435     title=pdb2title(pdbid)

   1436     if bs.startswith("BS"):

=> 1437         pubmed,uniprot=display_interaction(pdbid,asym_id,bs,title)

   1438     else:

   1439         if lig3:

pubmed = '', uniprot = '', display_interaction = <function display_interaction>, pdbid = '4s20', asym_id = 'I', bs = 'BS01', title = 'Structural basis for transcription reactivation by RapA.'

 /var/www/html/BioLiP/pdb.cgi in display_interaction(pdbid='4s20', asym_id='I', bs='BS01', title='Structural basis for transcription reactivation by RapA.')

   1295         display_ec(ec,csaOrig,csaRenu)

   1296     if go:

=> 1297         display_go(go,uniprot,pdbid,asym_id)

   1298     return pubmed,uniprot

   1299 

global display_go = <function display_go>, go = '0003677,0003899,0006351', uniprot = '', pdbid = '4s20', asym_id = 'I'

 /var/www/html/BioLiP/pdb.cgi in display_go(go='0003677,0003899,0006351', uniprot='', pdbid='4s20', asym_id='I')

    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>