Structure of PDB 4v4n Chain BF Binding Site BS01

Receptor Information
>4v4n Chain BF (length=217) Species: 2190 (Methanocaldococcus jannaschii) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MSQEWKEYAKRVLDEWEPKTKLGMMVKEGQITDIHEIFRRGYQIKEPEII
DVLLPEVNARENQEVLDIALTVRMTDSGRRVRFRVLAAVGNRDGYVGLGI
GHGKEVGIAIRKAINYAKLNIIEIKRGCGSWECRCRRPHSVPFAVEGKEG
SVRVRLIPGPRGLGLVIGDVGKKILRLAGVQDVWSQTFGETRTTVNFAKA
VFNALYNTNRVAISPEM
Ligand information
>4v4n Chain B2 (length=1495) [Search RNA sequence] [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
auuccgguugauccugccggaggccacugcuauggggguccgacuaagcc
augcgagucaagggggcgucccuucugggacgccaccggcggacggcuca
guaacacgucgguaaccuacccucgggagggggauaaccccgggaaacug
gggcuaaucccccauaggccugggguacuggaagguccccaggccgaaag
ggagccguaaggcccgcccgaggaugcggcggcggccgauuagguaguug
gugggguaacggcccaccaagccgaagaucgguacgggccgugagagcgg
gagcccggagauggacacugagacacggguccaggcccuacggggcgcag
caggcgcgaaaccuccgcaaugcgggaaaccgcgacggggggacccccag
ugccgugccucuggcacggcuuuuccggaguguaaaaagcuccgggaaua
agggcugggcaaggccgguggcagccgccgcgguaauaccggcggcccga
gugguggccacuauuauugggccuaaagcggccguagccgggcccguaag
ucccuggcgaaaucccacggcucaaccguggggcucgcuggggauacugc
gggccuugggaccgggagaggccggggguacccccgggguaggggugaaa
uccuauaaucccggggggaccgccaguggcgaaggcgcccggcuggaacg
gguccgacggugagcgcggaaggccaggggagcgaaccggauuagauacc
cggguaguccuggcuguaaaggaugcgggcuaggugucgggcgagcuucg
agcucgcccggugccguagggaagccguuaagcccgccgccuggggagua
cggccgcaaggcugaaacuuaaaggaauuggcgggggagcacuacaaggg
guggagcgugcgguuuaauuggauucaacgccgggaaccucaccgggggc
gacggcaggaugaaggccaggcugaaggucuugccggacgcgccgagagg
aggugcauggccgccgucagcucguaccgugaggcguccacuuaagugug
guaacgagcgagacccgcgcccccaguugccagucccucccgcucgggag
gaggcacucuggggggacugccggcgauaagccggaggaaggggcgggcg
acgguaggucaguaugccccgaaacccccgggcuacacgcgcgcuacaau
gggcgggacaaugggacccgaccucgaaaggggaagggaauccccuaaac
ccgcccucaguucggaucgcgggcugcaacucgcccgcgugaagcuggaa
ucccuaguacccgcgugucaucaucgcgcggcgaauacgucccugcuccu
ugcacacaccgcccgucacuccacccgagcggaguccgggugaggccuga
ucuccuucgggaggucaggucgagcccgggcuccgugaggggggagaagu
cguaacaagguaaccguaggggaaccuacggcucgaucaccuccu
...<<<<<.[.((((>>>>>.<<<<<<<<<....<<<<.<<......<<<
.<<<..<<<..<<.<<<<<<<<....>>>>>>>>.>>>>>......<<..
......<<<<<.....<...<<<<<<<.<<<<<....<<<<<......>>
>>>.....>>>>>...<<<<<<<<<.<<<....>>>>>>>>>>>>....<
<..<<<....>>>>>.>>>>>>>..>...>>>>>.<<<....<<<..<<<
<<<<<.......>>>>>>>>>>>......>>>..<<<<<<<<....>>>>
...>>>>.>>.<<<<<............>>>>>.<<<<....>>>>...>
>>>>>.........<<<....<<<<....>>>>..>>>..>>..>>>>..
.<<<<<<<<...>>>>>>>>...<<<<<<<<.......>>>>>>>>....
.<<<<<((.....<<<<<.....<<..))>>.......>>>>>>>>>>..
>>>>>>>>>..........<<<((......<<....<<<.<<<<<<<.<<
<<<<<<<.....<<<<<<<<.....>>>>>>>>....>>>>>>>..>>>>
>>>>>...<<<<<<.....<<<<<<<.<..<<<<<<<<<..<<<......
>>>.....>>>>>>>>>..>........<<....>>.>>>>>>>....>>
>.>>>...>>>....>>....<<<<<<<...<<...<<<<.........>
>>>...>>>>>>>>>.........<<<<<<..<<<<<<<<<<<<<<....
.>>>>>>>>>>>>>>...<<..))>>.....>>>>>>.>>>.<<<.....
.<<<<....>>>>....>>>..)))).]<<<<<.<<<<<<<..<<.<<<<
<<..<<<<<<<<<.......<<........>>..........<<<<<<<.
..<<<<........<<<.<<<.......>>>.>>>......>>>>...<<
.<<<..<<<<<<<<<....<<<<<<.<<....>>...<<<<......>>>
>..>>>>>>....<<<<<.<<<<<<<.........<<<<<<....>>>>>
>.......>>>>>>>.....<<<<<.....>>>>>........>>>>>..
..>>>.>>>...>>>>>>>>....>>>>>>>....>.>>>>>>>>.....
<<<<<<<.....<<<..<<..<<<......>>>..>>....>>>.....>
>>>>>>......<....<<<<<<<........>>>>>>>....>.....>
>>>>>.....<<<<<<.........>>>>>>.......>>...>>>>>>>
>>>.>>....<..<<.<.<<<<.<<<..<<<<<<<<<<<<<..<<<<<<<
<<<<<....>>>>>>>>>>>>..>>>>>>>>>>>>>..>>>.>>>>..>.
>>...>.....<.<<<<<<<....>>>>>>>.>............
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB4v4n Structure of the SecY channel during initiation of protein translocation.
Resolution9.0 Å
Binding residue
(original residue number in PDB)		T71 V72 R73 M74 D76 S77 R84 H102 K104 K112 G150 S151 L163 V166 W184 Q186 T187 F188 E190 T191 R192 T193 N196
Binding residue
(residue number reindexed from 1)		T71 V72 R73 M74 D76 S77 R84 H102 K104 K112 G150 S151 L163 V166 W184 Q186 T187 F188 E190 T191 R192 T193 N196
Gene Ontology
--> -->
 
 
UnboundLocalError		Python 3.6.8: /usr/bin/python3
Fri Mar 7 09:03:57 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>()
   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 = '4v4n', asym_id = 'BF', bs = 'BS01', title = 'Structure of the SecY channel during initiation of protein translocation.'
 /var/www/html/BioLiP/pdb.cgi in display_interaction(pdbid='4v4n', asym_id='BF', bs='BS01', title='Structure of the SecY channel during initiation of protein translocation.')
   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 = '0003723,0003735,0005840,0006412,0015935', uniprot = '', pdbid = '4v4n', asym_id = 'BF'
 /var/www/html/BioLiP/pdb.cgi in display_go(go='0003723,0003735,0005840,0006412,0015935', uniprot='', pdbid='4v4n', asym_id='BF')
    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>