Structure of PDB 4v4n Chain BE Binding Site BS01

Receptor Information
>4v4n Chain BE (length=241) Species: 2190 (Methanocaldococcus jannaschii) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
RKGPKRHLKRLAAPTSWYIERKAYKWAVRPRPGPHNMRTSIPLLYIVRDY
LGYAKTAREARKILNEGKFLVDGRVRKDYKFPVGIMDVVSIPETGEHYRV
LPNRIGKLILHPISEDEAFIKPLRIRNKRMIKGARVQLNFHDGTNHIVSI
AEKDNYFTSYTVLMKVPEREILEVLPFEKGAYVFVTQGKNVARKGRIVEI
KRFPMGWPDVVTIEDEEGELFDTLKEYAFVVGTDKPKISLP
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

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB4v4n Structure of the SecY channel during initiation of protein translocation.
Resolution9.0 Å
Binding residue
(original residue number in PDB)		R3 K4 G5 P6 K7 R8 H9 K11 I21 E22 R23 K24 Y26 K27 W28 V30 R31 R33 P34 G35 P36 N38 R40 R50 T58 A59 R60 R63 N67 R76 R78 K79 Y81 K82 K109 R128 K130 R131 M132 I133 K134 A136 Q139 N141 G145 N147 I149 E154 K155 F159 R171 K191 N192 F205 G208 W209 D224 Y229
Binding residue
(residue number reindexed from 1)		R1 K2 G3 P4 K5 R6 H7 K9 I19 E20 R21 K22 Y24 K25 W26 V28 R29 R31 P32 G33 P34 N36 R38 R48 T56 A57 R58 R61 N65 R74 R76 K77 Y79 K80 K107 R126 K128 R129 M130 I131 K132 A134 Q137 N139 G143 N145 I147 E152 K153 F157 R169 K189 N190 F203 G206 W207 D222 Y227
Gene Ontology
--> -->
 
 
UnboundLocalError		Python 3.6.8: /usr/bin/python3
Fri Mar 7 08:53:08 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 = 'BE', 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='BE', 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', uniprot = '', pdbid = '4v4n', asym_id = 'BE'
 /var/www/html/BioLiP/pdb.cgi in display_go(go='0003723,0003735,0005840,0006412', uniprot='', pdbid='4v4n', asym_id='BE')
    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>