Structure of PDB 8rct Chain U2 Binding Site BS01

Receptor Information
>8rct Chain U2 (length=70) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PVIKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKAS
AVKRHAKKLARENARRTRLY
Ligand information
>8rct Chain A2 (length=1537) [Search RNA sequence] [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
aaauugaagaguuugaucauggcucagauugaacgcuggcggcaggccua
acacaugcaagucgaacgguaacaggaagaagcuugcuucuuugcugacg
aguggcggacgggugaguaaugucugggaaacugccugauggagggggau
aacuacuggaaacgguagcuaauaccgcauaacgucgcaagaccaaagag
ggggaccuucgggccucuugccaucggaugugcccagaugggauuagcua
guaggugggguaacggcucaccuaggcgacgaucccuagcuggucugaga
ggaugaccagccacacuggaacugagacacgguccagacuccuacgggag
gcagcaguggggaauauugcacaaugggcgcaagccugaugcagccaugc
cgcguguaugaagaaggccuucggguuguaaaguacuuucagcggggagg
aagggaguaaaguuaauaccuuugcucauugacguuacccgcagaagaag
caccggcuaacuccgugccagcagccgcgguaauacggagggugcaagcg
uuaaucggaauuacugggcguaaagcgcacgcaggcgguuuguuaaguca
gaugugaaauccccgggcucaaccugggaacugcaucugauacuggcaag
cuugagucucguagagggggguagaauuccagguguagcggugaaaugcg
uagagaucuggaggaauaccgguggcgaaggcggcccccuggacgaagac
ugacgcucaggugcgaaagcguggggagcaaacaggauuagauacccugg
uaguccacgccguaaacgaugucgacuuggagguugugcccuugaggcgu
ggcuuccggagcuaacgcguuaagucgaccgccuggggaguacggccgca
agguuaaaacucaaaugaauugacgggggcccgcacaagcgguggagcau
gugguuuaauucgaugcaacgcgaagaaccuuaccuggucuugacaucca
cggaaguuuucagagaugagaaugugccuucgggaaccgugagacaggug
cugcauggcugucgucagcucguguugugaaauguuggguuaagucccgc
aacgagcgcaacccuuauccuuuguugccagcgguccggccgggaacuca
aaggagacugccagugauaaacuggaggaagguggggaugacgucaaguc
aucauggcccuuacgaccagggcuacacacgugcuacaauggcgcauaca
aagagaagcgaccucgcgagagcaagcggaccucauaaagugcgucguag
uccggauuggagucugcaacucgacuccaugaagucggaaucgcuaguaa
ucguggaucagaaugccacggugaauacguucccgggccuuguacacacc
gcccgucacaccaugggaguggguugcaaaagaaguagguagcuuaaccu
ucgggagggcgcuuaccacuuugugauucaugacuggggugaagucguaa
caagguaaccguaggggaaccugcgguuggaucaccu
........<<<<..[.((((.>>>>.<<<<.<<<<<..<<<<<<<<....
.<<<.<<<..<<<..<<.<...<<<<<<<<<......>>>>>>.>>>.>.
.>>>>>......<<.......<<<<<<<..<<...<<<<<<<.<.<<...
..<<<<<......>>>>>......>>.>.....<<<....>>>....<<<
<<<..........>>>>>>.>>>>>>>..>>.>>>>>>><<<....<<<.
.<<<<<<<.........>>>>>>>>>>......>>>..<<<<<<<<....
>>>>...>>>>.>>.<<<<<.<.........>>>>>>.<<<<....>>>>
...>>>>>>.........<<<...<<<<<....>>>>.>>>>..>>.>>>
>>>..<<<<.......<<<....>>>......>>>>.....<<<<<....
....<<<.<<<<.......>>>>.>>>..........>>>>>.......<
<<<<(((...<<<<<.....<<.)))>>.......>>>>>>>>>>..>>>
>>>>>>..........<<<((.....<<<<...<<<.<<<<<<<.<<<<<
<<<<<......<<<<<<.....>>>>>>....>>>>>>>>..>>>>>>>>
>...<<<<<<<<...<<<<<<<....<<<<<<<<...<<<......>>>.
.....>>>>>>>>...........<<....>>.>>>>>>>..>>>>.>>>
>...>>>...>>>>....<<<<<<...<<...<<<<.<.....>.>>>>.
..>>>>>>>>..........<<<<<<.<<<<<<<<<<<<<.....>>>>>
>>>>>>>>..<<..))>>.....>>>>>>.>>>.<<<......<<<<...
.>>>>....>>>..)))).]<<<<<.<<<<<<<.<<.<<<<<<..<<<<<
<<<<<......<<........>>..........<<<<<<<......<<<<
<<<..<<<<<<<....>>>>>>>...<<....>>..>>>>>.>>.<<<.<
<<..<<<<<<.<.....<<<<<<<<<....>>>..<<<<......>>>>.
.>>>>>>.....<<<..<<<<<<<...<<..<<<.....>>>>>....>>
>>>>>.....<<<<<.....>>>>>.........>>>.....>...>>>.
..>>>>>>>>>...>>>>>>>...>>.>>>>>>>>.....<<<<<<<...
..<<<..<<...<<<....>>>...>>....>>>.....>>>>>>>....
.......<<<<<<<........>>>>>>>..........>>>>>>....<
<<<<<<.........>>>>>>>......>>...>>>>>>>>>>.>>....
<..<<.<.<<<<.<<<..<<<<<<<<<<<<....<<<<<<.<<<...<<.
...>>..>>>>>>>>>...>>>>>>>>>>>>..>>>.>>>>..>.>>...
>.....<<<<<<<<<....>>>>>>>>>.........
Receptor-Ligand Complex Structure
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PDB8rct Transient disome complex formation in native polysomes during ongoing protein synthesis captured by cryo-EM.
Resolution5.32 Å
Binding residue
(original residue number in PDB)		R35 K40 P41 T42 R45 K46 K54 H56 R69 L70 Y71
Binding residue
(residue number reindexed from 1)		R34 K39 P40 T41 R44 K45 K53 H55 R68 L69 Y70
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0003735 structural constituent of ribosome
GO:0019843 rRNA binding
Biological Process
GO:0000028 ribosomal small subunit assembly
GO:0002181 cytoplasmic translation
GO:0006412 translation
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0005840 ribosome
GO:0022627 cytosolic small ribosomal subunit
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:8rct, PDBe:8rct, PDBj:8rct
PDBsum8rct
PubMed38409277
UniProtP68679|RS21_ECOLI Small ribosomal subunit protein bS21 (Gene Name=rpsU)

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