Structure of PDB 4lnt Chain XN Binding Site BS01

Receptor Information
>4lnt Chain XN (length=60) Species: 300852 (Thermus thermophilus HB8) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ARKALIEKAKRTPKFKVRAYTRCVRCGRARSVYRFFGLCRICLRELAHKG
QLPGVRKASW
Ligand information
>4lnt Chain XA (length=1500) [Search RNA sequence] [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
uggagaguuugauccuggcucagggugaacgcuggcggcgugccuaagac
augcaagucgugcgggccgcggggacuccguggucagcggcggacgggug
aguaacgcgugggugaccuacccggaagagggggacaacccggggaaacu
cgggcuaaucccccauguggacccgccccuugggguguguccaaagggcu
uugcccgcuuccggaugggcccgcgucccaucagcuaguuggugggguaa
uggcccaccaaggcgacgacggguagccggucugagaggauggccggcca
caggggcacugagacacgggccccacuccuacgggaggcagcaguuagga
aucuuccgcaaugggcgcaagccugacggagcgacgccgcuuggaggaag
aagcccuucgggguguaaacuccugaacccgggacgaaacccccgacgag
gggacugacgguaccgggguaauagcgccggccaacuccgugccagcagc
cgcgguaauacggagggcgcgagcguuacccggauucacugggcguaaag
ggcguguaggcggccuggggcgucccaugugaaagaccacggcucaaccg
ugggggagcgugggauacgcucaggcuagacggugggagaggguggugga
auucccggaguagcggugaaaugcgcagauaccgggaggaacgccgaugg
cgaaggcagccaccugguccacccgugacgcugaggcgcgaaagcguggg
gagcaaaccggauuagauacccggguaguccacgcccuaaacgaugcgcg
cuaggucucugggucuccugggggccgaagcuaacgcguuaagcgcgccg
ccuggggaguacggccgcaaggcugaaacucaaaggaauugacgggggcc
cgcacaagcgguggagcaugugguuuaauucgaagcaacgcgaagaaccu
uaccaggccuugacaugcuagggaacccgggugaaagccuggggugcccc
gcgaggggagcccuagcacaggugcugcauggccgucgucagcucgugcc
gugagguguuggguuaagucccgcaacgagcgcaacccccgccguuaguu
gccagcgguucggccgggcacucuaacgggacugcccgcgaaagcgggag
gaaggaggggacgacgucuggucagcauggcccuuacggccugggcgaca
cacgugcuacaaugcccacuacaaagcgaugccacccggcaacggggagc
uaaucgcaaaaaggugggcccaguucggauuggggucugcaacccgaccc
caugaagccggaaucgcuaguaaucgcggaucagccaugccgcggugaau
acguucccgggccuuguacacaccgcccgucacgccaugggagcgggcuc
uacccgaagucgccgggagccuacgggcaggcgccgaggguagggcccgu
gacuggggcgaagucguaacaagguagcuguaccggaaggugcggcugga
....<<<<..[.((((.>>>>.<<<<.<<<<<..<<<<<<<<..<..<<<
.<<<..<<<..<<.<<<<<<<<<...>>>>>>>>>.>>>>>......<<.
......<<<<<<<<..<<...<<<<<<<.<<<<<....<<<<<......>
>>>>.....>>>>>...<<<<<.<<<<<....>>>>>.>>>>>..<<<<.
..>>>>.>>>>>>>..>>>>>>>>>><<<....<<<..<<<<<<<<....
...>>>>>>>>>>>......>>>..<<<<<<<<....>>>>...>>>>.>
>.<<<<<.<.........>>>>>>.<<<<....>>>>...>>>>>>>...
.....<<<....<<<<....>>>>..>>>..>>.>>>>>>..<<<<....
..<<<<<..>>>>>.....>>>>....<<<<<........<<<<.....>
>>>..........>>>>>......<<<<<(((...<<<<<.....<<.))
)>>.......>>>>>>>>>>..>>>>>>>>>..........<<<((....
.<<<<...<<<.<<<<<<<.<<<<<<<<<<......<<<<<<.....>>>
>>>....>>>>>>>>..>>>>>>>>>...<<<<<<<<...<<<<<<<...
.<<<<<<<.<..<<<......>>>.....>.>>>>>>>...........<
<....>>.>>>>>>>..>>>>>.>>>...>>>...>>>>....<<<<<<.
..<<...<<<<.<.....>.>>>>...>>>>>>>>..........<<<<<
<..<<<<<<<<<<...>>>>>>>>>>...<<..))>>.....>>>>>>.>
>>.<<<......<<<<....>>>>....>>>..)))).]<<<<<.<<<<<
<<.<<.<<<<<<..<<<<<<<<<<......<<........>>........
..<<<<<<<......<<<<<<<<..<<<<<<<....>>>>>>>...<<<.
.....>>>..>>>>>>>>.<<<.<<<..<<<<<<.......<<<<<<<<<
....>>>..<<<<......>>>>..>>>>>>.....<<<<.<<<<<<<..
.<...<<<.....>>>.>....>>>>>>>.....<<<<<....>>>>>..
......>>>>.........>>>...>>>>>>>>>...>>>>>>>...>>.
>>>>>>>>.....<<<<<<<.....<<<..<<..<<<<....>>>>..>>
....>>>.....>>>>>>>......<....<<<<<<<........>>>>>
>>....>.....>>>>>>....<<<<<<<..........>>>>>>>....
..>>...>>>>>>>>>>.>>....<..<<.<.<<<<.<<<..<<<<<<<<
<<<<<...<.<<<<....<<<....>>>.>>>>.>..>>>>>>>>>>>>>
..>>>.>>>>..>.>>...>.....<<<<<<<<<....>>>>>>>>>...
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB4lnt Structural insights into +1 frameshifting promoted by expanded or modification-deficient anticodon stem loops.
Resolution2.94 Å
Binding residue
(original residue number in PDB)		A2 R3 K4 A5 L6 E8 K9 F16 K17 V18 R19 Y21 T22 C27 R29 R31 S32 Y34 R35 R41 I42 R45 E46 K58 S60 W61
Binding residue
(residue number reindexed from 1)		A1 R2 K3 A4 L5 E7 K8 F15 K16 V17 R18 Y20 T21 C26 R28 R30 S31 Y33 R34 R40 I41 R44 E45 K57 S59 W60
Gene Ontology
--> -->
 
 
UnboundLocalError		Python 3.6.8: /usr/bin/python3
Tue Mar 4 21:11:13 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 = '4lnt', asym_id = 'XN', bs = 'BS01', title = 'Structural insights into +1 frameshifting promot...d or modification-deficient anticodon stem loops.'
 /var/www/html/BioLiP/pdb.cgi in display_interaction(pdbid='4lnt', asym_id='XN', bs='BS01', title='Structural insights into +1 frameshifting promot...d or modification-deficient anticodon stem loops.')
   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 = '0003735,0005840,0006412', uniprot = '', pdbid = '4lnt', asym_id = 'XN'
 /var/www/html/BioLiP/pdb.cgi in display_go(go='0003735,0005840,0006412', uniprot='', pdbid='4lnt', asym_id='XN')
    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>