Structure of PDB 4xej Chain BL33 Binding Site BS01

Receptor Information
>4xej Chain BL33 (length=44) Species: 262724 (Thermus thermophilus HB27) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
LLLECTECKRRNYATEKNKRNTPNKLELRKYCPWCRKHTVHREV
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)
E24 K25 K27 T30 P31 N32 E35 R37 K38 Y39 C40 W42 K45
Binding residue
(residue number reindexed from 1)
E16 K17 K19 T22 P23 N24 E27 R29 K30 Y31 C32 W34 K37
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0003735 structural constituent of ribosome
Biological Process
GO:0006412 translation
Cellular Component
GO:0005840 ribosome

View graph for
Molecular Function

View graph for
Biological Process

View graph for
Cellular Component
External links
PDB RCSB:4xej, PDBe:4xej, PDBj:4xej
PDBsum4xej
PubMed25652826
UniProtQ72GW3|RL33_THET2 Large ribosomal subunit protein bL33 (Gene Name=rpmG)

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