Structure of PDB 4v4n Chain BL Binding Site BS01

Receptor Information
>4v4n Chain BL (length=102) Species: 2190 (Methanocaldococcus jannaschii) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MQKARIKIASTNVRSLDEVANQIKQIAERTGVRMSGPIPLPTKRIRITTR
KSPDGEGSATFDRWELRVHKRLIDIEADERAMRQIMRIRVPEDVTIEIEL
IS
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)		R5 K7 R14 D17 S35 G36 P37 I38 P39 L40 P41 T42 R44 I45 R46 T48 R50 K51 P53 D54 G55 E56 G57 S58 R63 R67 H69 R71 E97
Binding residue
(residue number reindexed from 1)		R5 K7 R14 D17 S35 G36 P37 I38 P39 L40 P41 T42 R44 I45 R46 T48 R50 K51 P53 D54 G55 E56 G57 S58 R63 R67 H69 R71 E97
Gene Ontology
--> -->
 
 
UnboundLocalError		Python 3.6.8: /usr/bin/python3
Fri Mar 7 09:10:15 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 = 'BL', 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='BL', 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 = 'BL'
 /var/www/html/BioLiP/pdb.cgi in display_go(go='0003723,0003735,0005840,0006412,0015935', uniprot='', pdbid='4v4n', asym_id='BL')
    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>