Structure of PDB 5jb3 Chain Y Binding Site BS01

Receptor Information
>5jb3 Chain Y (length=50) Species: 272844 (Pyrococcus abyssi GE5) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MGQKWKLYEIKDGKVIRKNKFCPRCGPGVFMADHGDRWACGKCGYTEWKK
Ligand information
>5jb3 Chain 2 (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
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PDB5jb3 Cryo-EM study of start codon selection during archaeal translation initiation.
Resolution5.34 Å
Binding residue
(original residue number in PDB)
M1 G2 Q3 K4 W5 L7 N19 G28 F30 A32 D33 H34 R37 W38 A39 G41 T46
Binding residue
(residue number reindexed from 1)
M1 G2 Q3 K4 W5 L7 N19 G28 F30 A32 D33 H34 R37 W38 A39 G41 T46
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0003735 structural constituent of ribosome
GO:0008270 zinc ion binding
GO:0046872 metal ion binding
Biological Process
GO:0006412 translation
Cellular Component
GO:0005840 ribosome
GO:1990904 ribonucleoprotein complex

View graph for
Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:5jb3, PDBe:5jb3, PDBj:5jb3
PDBsum5jb3
PubMed27819266
UniProtQ8U443|RS27A_PYRFU Small ribosomal subunit protein eS31 (Gene Name=rps27ae)

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