Structure of PDB 4xej Chain BS13 Binding Site BS02

Receptor Information
>4xej Chain BS13 (length=117) Species: 262724 (Thermus thermophilus HB27) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ARIAGVEIPRNKRVDVALTYIYGIGKARAKEALEKTGINPATRVKDLTEA
EVVRLREYVENTWKLEGELRAEVAANIKRLMDIGCYRGLRHRRGLPVRGQ
RTRTNARTRKGPRKTVA
Ligand information
>4xej Chain B23S (length=2876) [Search RNA sequence] [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
agaugguaagggcccacgguggaugccucggcacccgagccgaugaagga
cguggcuaccugcgauaagccagggggagccgguagcgggcguggauccc
uggauguccgaaugggggaacccggccggcgggaacgccggucaccgcgc
uuuuugcgcggggggaaccuggggaacugaaacaucucaguacccagagg
agaggaaagagaaaucgacucccugaguagcggcgagcgaaaggggacca
gccuaaaccguccggcuuguccgggcggggucguggggcccucggacacc
gaauccccagccuagccgaagcuguugggaagcagcgccagagaggguga
aagccccguaggcgaaagguggggggauaggugaggguacccgaguaccc
cgugguucguggagccaugggggaaucugggcggaccaccgccuaaggcu
aaguacuccgggugaccgauagcgcaccaguaccgugagggaaaggugaa
aagaaccccgggaggggagugaaauagagccugaaaccgugggcuuacaa
gcagucacggccccgcaagggguuguggcgugccuauugaagcaugagcc
ggcgacucacggucgugggcgagcuuaagccguugaggcggaggcguagg
gaaaccgaguccgaacagggcgucuaguccgcggccguggacccgaaacc
gggcgagcuagcccuggccagggugaagcuggggugagacccaguggagg
cccgaaccggugggggaugcaaaccccucggaugagcuggggcuaggagu
gaaaagcuaaccgagcccggagauagcugguucuccccgaaaugacuuua
gggucagccucaggcgcugacuggggccuguagagcacugauagggcuag
ggggcccaccagccuaccaaacccugucaaacuccgaagggucccaggug
gagccugggagugagggcgcgagcgauaacguccgcguccgagcgcggga
acaaccgagaccgccagcuaaggcccccaagucugggcuaagugguaaag
gauguggcgccgcgaagacagccagggguuggcuuagaagcagccauccu
uuaaagagugcguaauagcucacuggucgaguggcgccgcgccgaaaaug
aucggggcuuaagcccagcgccgaagcugcgggucugggggaugacccca
ggcgguaggggagcguucccgaugccgaugaaggccgacccgcgagggcg
gcuggagguaagggaagugcgaaugccggcaugaguaacgauaaagaggg
ugagaaucccucucgccguaagcccaaggguuccuacgcaauggucguca
gcguaggguuaggcgggaccuaaggugaagccgaaaggcguagccgaagg
gcagccgguuaauauuccggcccuucccgcaggugcgauggggggacgcu
cuaggcuagggggaccggagccauggacgagcccggccagaagcgcaggg
ugggagguaggcaaauccgccucccaaaagcucugcgugguggggaagcc
cguacgggugacaaccccccgaagccagggagccaagaaaagccucuaag
cacaaccugcgggaacccguaccgcaaaccgacacaggugggcgggugca
agagcacucaggcgcgcgggagaacccucgccaaggaacucugcaaguug
gccccguaacuucgggagaaggggugcucccuggggugaugagcuccggg
gagccgcagugaacaggcucuggcgacuguuuaccaaaaacacagcucuc
ugcgaacucguaagaggagguauagggagcgacgcuugcccggugccgga
aggucaaggggaggggugcaagccccgaaccgaagccccggugaacggcg
gccguaacuauaacgguccuaagguagcgaaauuccuugucggguaaguu
ccgaccugcacgaaaagcguaacgaccggagcgcugucucggcgagggac
ccggugaaauugaacuggccgugaagaugcggccuacccguggcaggacg
aaaagaccccguggagcuuuacugcagccugguguuggcucuggucgcgc
cugcguaggauaggugggagccugugaacccccgccuccggguggggggg
aggcgccggugaaauaccacccuggcgcggcuggggccuaacccucggau
ggggggacagcgcuuggcgggcaguuugacuggggcggucgccuccuaaa
agguaacggaggcgcccaaagguccccucaggcgggacggaaauccgccg
gagagcgcaaggguagaagggggccugacugcgaggccugcaagccgagc
aggggcgaaagccgggccuagugaaccgguggucccguguggaagggcca
ucgaucaacggauaaaaguuaccccggggauaacaggcugaucucccccg
agcguccacagcggcggggagguuuggcaccucgaugucggcucgucgca
uccuggggcugaagaaggucccaaggguugggcuguucgcccauuaaagc
ggcacgcgagcuggguucagaacgucgugagacaguucggucucuauccg
ccacgggcgcaggaggcuugaggggggcucuuccuaguacgagaggaccg
gaagggacgcaccucugguuucccagcugucccuccaggggcauaagcug
gguagccaugugcggaagggauaaccgcugaaagcaucuaagcgggaagc
ccgccccaagaugaggccucccacggcgucaagccgguaaggacccggga
agacuacccgguggaugggccggggguguaagcgccgcgaggcguugagc
cgaccggucccaaucguccgaggucu
<<<......<<<<<<<<<<<.....[[..[[<<<<<<[[<<......<<<
<<<.((..((.>>>.....<<<<<<<..<<<))..)).>>>.....>>>>
>>>...>>>....<<<....>>><<<<<<<<....>>>>>>>>.<<<<<<
.....>>>>>>.>>....<<<<<.....<......>......>>>>>...
........<<....>>...<<<<<.....<<.....>>....>>>>>...
(((....<<<<<<<<.....>>>>>>>>......<<<<<<<<<....<<<
...<<<<<.<<<<.<<<...<<<<<......>>>>>((......<<<...
..))>>>...>>>...>>>>..>>>>>..>>>>>>>>>.>>>.....<<<
<<<<<<.......>>>>>>>>>......<<<<<..<<<<>>>>>..))).
.....]].>>>>>>.]]...............<<....>>....]]....
.....<<<<....>>>>..................>>>>>>>>>>>....
...<<<<<<<<<<<....>>>>>>>>>>>...<............>.<<<
<<<....<<<<<<<<<<<<<..<<<...<<<.....>>>...>>>...<<
....>>..<<<<.....>>>>.....>>>>>>>>>>>>>..<<.<...<<
<<<<.....<<<<<<<<<..<<<....<<<<<<......>>>>>>.....
>>>...<<<..<<<<........>>>>.>>>....>>>>>>>>>...<<<
.....>>>......>>>>>>......>.>>..<<<<<<....<<<<<...
.>>>>><<<<<<<<<.....<<<<<<<<<...<<<...<<<<<<<<.<.<
<<<<<......>>>>.>>>..>>>>>>>>..>>.>...>>>>>>>>>...
..>>>>>>>.>>..<<<<<<<.<<......>>.>>>>>>>.....<<<..
....>>>...<<<<.<<<...<<<(((.....<<<<<<...........<
<..<<<<<<<<<........<<<<<.<<..<<<<.......>>>>..>>.
.........<<......>>...>>>>>....>>>>>>>>>.>>.......
...)))......>>>>>>.>>>...>>>>>>><<<<<<<<.....>>>>>
>>>....>>>>>><.<<<<<...<<<......<<<<<.<<<....>>>>>
>>>...>>>..>>>>>..>.....>>>>>><......<<.....<<<<<<
.......>>>>>><<<<....<<<<<.<<...<<<<<<...<<.....>>
.>>>>>>....((<<<<.<<...<<<...<<<....>>>...>>>...>>
...<<<<<........>>>>>))<<<<<<<<<<<<<...<<<<....<<<
<<.<<<..<<<<<.<<<<.<<..((((...>>>>>><<<...<<<<<<<<
<<<<<<<<.<<.....>>>>>>>>>....>>>>>>>>>..>>><...<<<
<....>>>>.....>>>>>>...>>>..>>>>>.........>>>>...>
>...>>>>>>>>>>>>>>>..>>.....<<......>>>>>>>.<<<<<.
...>>>>>..>>>>..<<<<....<<<<<<<<.<<.........<.....
<<<<<...............>>>>><<<<<<<<<<<<.....>>>>>>>>
>>>>............<<<<<<<<<..<<<.........>>>..<<<<<<
<.....<<<....>>>.......>>>>>>>.<<<<<.<<<..<<<<<<<.
.<<<...<<...<<<<<....>>>>>...>>...>>>>>>>>..>>>>><
<<<<<.......>>>>>>........<...........<<<<<<.....>
>>>>>.....>....>>>>>..>>.>>>>>>>..>..>>.>>>>>>>>.>
>>>>>.....>.....<<<<<........>>>>>..<<<<<<<<.(((..
.......<<<<.[[<<<<..<<<<..<<<.<<<<<.<<<<<<<<<<<<<<
<.<.........<<<<<..<<<......<<<<<<<<....>>>>>>>>..
.>>>............>>>>>>.>>>>>>>>>>>>>>>...<<<<<....
>>>>>....>>>>>.>>>...>>>>..<<<<.....>>>><<<<<<....
.......>>>>>>..<<...<<<<<<<...<<<<<<.......>>>>>>.
....<<...(((>>....>>>>>>>...<<<<..<<<......>>>..>>
>>.<<<....>>>.>>))).......<<<<<<..((..>>>>..)).>>>
>>>.............>>>>..]]>>>>.......<<<<...<<<<<<..
.<<.......>>...>>>>>>....>>>.>.......<.<<<..<<<<<.
.<<<<<<<<<......>>>>>>>..>>.<<<<<.....>>>>>.....>>
>>>......>>>..>....<<<<<<<....>>>.>>>>........)))>
>>>>>>>....<<<<<<<...<<<<..<<<<<<<...............>
>>>>>>.<<<<<...<<<<...<<<<<<<<<<<))))>>>>>>...>>>>
>...>>>>.>>>>>...<<<....<<<<<...........>>>>>....>
>>.>>>>.......>>>>>>>...<<<.....>>>.....<<<<<<<<<.
......>>>>>....<<<<<<<<.<<<....<<<<<....>>>>>...>>
>..>>>>>.>>>...>>>>....>>>
Receptor-Ligand Complex Structure
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PDB4xej Initiation of translation in bacteria by a structured eukaryotic IRES RNA.
Resolution3.8 Å
Binding residue
(original residue number in PDB)
M82 D83 L90 R93
Binding residue
(residue number reindexed from 1)
M81 D82 L89 R92
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0000049 tRNA binding
GO:0003676 nucleic acid binding
GO:0003723 RNA binding
GO:0003735 structural constituent of ribosome
GO:0019843 rRNA binding
Biological Process
GO:0006412 translation
Cellular Component
GO:0005829 cytosol
GO:0005840 ribosome
GO:0015935 small ribosomal subunit
GO:1990904 ribonucleoprotein complex

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Molecular Function

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Biological Process

View graph for
Cellular Component
External links
PDB RCSB:4xej, PDBe:4xej, PDBj:4xej
PDBsum4xej
PubMed25652826
UniProtP62655|RS13_THET2 Small ribosomal subunit protein uS13 (Gene Name=rpsM)

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