Structure of PDB 8qcq Chain r Binding Site BS01

Receptor Information
>8qcq Chain r (length=65) Species: 224308 (Bacillus subtilis subsp. subtilis str. 168) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
KVCYFTSNGITHIDYKDVDLLKKFVSERGKILPRRVTGTNAKYQRKLTAA
IKRARQMALLPYVSG
Ligand information
>8qcq Chain a (length=1533) [Search RNA sequence] [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
ggagaguuugauccuggcucaggacgaacgcuggcggcgugccuaauaca
ugcaagucgagcggacagaugggagcuugcucccugauguuagcggcgga
cgggugaguaacacguggguaaccugccuguaagacugggauaacuccgg
gaaaccggggcuaauaccggaugguuguuugaaccgcaugguucaaacau
aaaagguggcuucggcuaccacuuacagauggacccgcggcgcauuagcu
aguuggugagguaacggcucaccaaggcgacgaugcguagccgaccugag
agggugaucggccacacugggacugagacacggcccagacuccuacggga
ggcagcaguagggaaucuuccgcaauggacgaaagucugacggagcaacg
ccgcgugagugaugaagguuuucggaucguaaagcucuguuguuagggaa
gaacaagugccguucgaauagggcgguaccuugacgguaccuaaccagaa
agccacggcuaacuacgugccagcagccgcgguaauacguagguggcaag
cguuguccggaauuauugggcguaaagggcucgcaggcgguuucuuaagu
cugaugugaaagcccccggcucaaccggggagggucauuggaaacugggg
aacuugagugcagaagaggagaguggaauuccacguguagcggugaaaug
cguagagauguggaggaacaccaguggcgaaggcgacucucuggucugua
acugacgcugaggagcgaaagcguggggagcgaacaggauuagauacccu
gguaguccacgccguaaacgaugagugcuaaguguuaggggguuuccgcc
ccuuagugcugcagcuaacgcauuaagcacuccgccuggggaguacgguc
gcaagacugaaacucaaaggaauugacgggggcccgcacaagcgguggag
caugugguuuaauucgaagcaacgcgaagaaccuuaccaggucuugacau
ccucugacaauccuagagauaggacguccccuucgggggcagagugacag
guggugcaugguugucgucagcucgugucgugagauguuggguuaagucc
cgcaacgagcgcaacccuugaucuuaguugccagcauucaguugggcacu
cuaaggugacugccggugacaaaccggaggaagguggggaugacgucaaa
ucaucaugccccuuaugaccugggcuacacacgugcuacaauggacagaa
caaagggcagcgaaaccgcgagguuaagccaaucccacaaaucuguucuc
aguucggaucgcagucugcaacucgacugcgugaagcuggaaucgcuagu
aaucgcggaucagcaugccgcggugaauacguucccgggccuuguacaca
ccgcccgucacaccacgagaguuuguaacacccgaagucggugagguaac
cuuuuaggagccagccgccgaaggugggacagaugauuggggugaagucg
uaacaagguagccguaucggaaggugcggcugg
...<<<<..[.((((.>>>>.<<<<.<<<<<...<<<<<<<.....<<<.
<<<..<<<..<<.<<<<...<<<..<..>..>>>...>>>>.>>>>>...
...<<........<<<<<....<<...<<<<<<<.<<<<......<<<<<
....>>>>>.......>>>>.....<<<<<<<<<<....>>>>>>>>>>.
....<<<<<......>>>>>.>>>>>>>..>>.>>.>>>.<<<....<<<
..<<<<<<<<.......>>>>>>>>>>>......>>>..<<<<<<<<...
.>>>>...>>>>.>>.<<<<<.<.........>>>>>>.<<<<....>>>
>...>>>>>>.........<<<....<<<<....>>>>..>>>..>>.>>
>>>...<<<<..<....<.<...>..>....>.>>>>...<<<<<<<...
......<<<<<<.<........>>>>>>>..........>>>>>.>..>.
.<<<<<((....<<<<<.....<<..))>>.......>>>>>>>>>>..>
>>>>>>>>..........<<<((.....<<<<...<<<.<<<<<<<.<<<
<<<<<<.......<<<<<<.....>>>>>>.....>>>>>>>..>>>>>>
>>>...<<<<<<<<...<<<<<<<....<<<<<<<<...<<<......>>
>......>>>>>>>>...........<<....>>.>>>>>>>..>>>>>.
>>>...>>>...>>>>....<<<<<<...<<...<<<<.........>>>
>...>>>>>>>>..........<<<<<<..<<<<<<<<<<<<......>>
>>>>>>>>>>...<<..))>>.....>>>>>>.>>>.<<<......<<<<
....>>>>....>>>..)))).]<<<<<.<<<<<<<.<<.<<<<<<..<<
<<<<<<<<......<<........>>..........<<<<<<<......<
<<<<<<....<<<<<....>>>>>...<<<<...>>>.>>>>>>.>>.<<
<.<<<..<<<<<<.......<<<<<<<<<....>>>..<<<<......>>
>>..>>>>>>.....<<<<.<<<<<<<..<<<..<<......>>>>>...
>>>>>>>.....<<<<<.....>>>>>........>>>>.........>>
>...>>>>>>>>>...>>>>>>>...>>.>>>>>>>>.....<<<<<<<.
....<<<..<<..<<<<....>>>>..>>....>>>.....>>>>>>>..
....<....<<<<<<<........>>>>>>>....>.....>>>>>>...
.<<<<<<<.........>>>>>>>......>>...>>>>>>>>>>.>>..
..<..<<.<.<<<<.<<<..<<<<<<..<<<<....<.<<<<..<<<..<
<<...>>>.>>>.>>>>.>...>>>>..>>>>>>..>>>.>>>>..>.>>
...>.....<<<<<<<<<....>>>>>>>>>..
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB8qcq Novel arrest peptides induce ribosome stalling by short circuiting the ribosomal peptidyltransferase activity
Resolution2.3 Å
Binding residue
(original residue number in PDB)		T19 S20 K43 I44 K55 Q57 R58 T61 K65 R66 R68 Q69 Y75
Binding residue
(residue number reindexed from 1)		T6 S7 K30 I31 K42 Q44 R45 T48 K52 R53 R55 Q56 Y62
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0003735 structural constituent of ribosome
GO:0019843 rRNA binding
GO:0070181 small ribosomal subunit rRNA binding
Biological Process
GO:0006412 translation
Cellular Component
GO:0005840 ribosome
GO:0022627 cytosolic small ribosomal subunit
GO:1990904 ribonucleoprotein complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:8qcq, PDBe:8qcq, PDBj:8qcq
PDBsum8qcq
PubMed38503735
UniProtP21475|RS18_BACSU Small ribosomal subunit protein bS18 (Gene Name=rpsR)

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