Structure of PDB 8qbt Chain O Binding Site BS01

Receptor Information

>8qbt Chain O (length=114) Species: 679895 (Escherichia coli BW25113)

KSARIRRATRARRKLQELGATRLVVHRTPRHIYAQVIAPNGSEVLVAAST
VEKAIAEQLKYTGNKDAAAAVGKAVAERALEKGIKDVSFDRSGFQYHGRV
QALADAAREAGLQF

Ligand information

>8qbt Chain A (length=2841)

gguuaagcgacuaagcguacacgguggaugcccuggcagucagaggcgau
gaaggacgugcuaaucugcgauaagcgucgguaaggugauaugaaccguu
auaaccggcgauuuccgaauggggaaacccaguguguuucgacacacuau
cauuaacugaauccauagguuaaugaggcgaaccgggggaacugaaacau
cuaaguaccccgaggaaaagaaaucaaccgagauucccccaguagcggcg
agcgaacggggagcagcccagagccugaaucaguguguguguuaguggaa
gcgucuggaaaggcgcgcgauacagggugacagccccguacacaaaaaug
cacaugcugugagcucgaugaguagggcgggacacgugguauccugucug
aauauggggggaccauccuccaaggcuaaauacuccugacugaccgauag
ugaaccaguaccgugagggaaaggcgaaaagaaccccggcgaggggagug
aaaaagaaccugaaaccguguacguacaagcagugggagcacgcuuaggc
gugugacugcguaccuuuuguauaaugggucagcgacuuauauucuguag
caagguuaaccgaauaggggagccgaagggaaaccgagucuuaacugggc
guuaaguugcaggguauagacccgaaacccggugaucuagccaugggcag
guugaagguuggguaacacuaacuggaggaccgaaccgacuaauguugaa
aaauuagcggaugacuuguggcugggggugaaaggccaaucaaaccggga
gauagcugguucuccccgaaagcuauuuagguagcgccucgugaauucau
cuccggggguagagcacuguuucggcaagggggucacuuaccaacccgau
gcaaacugcgaauaccggagaauguuaucacgggagacacacggcgggug
cuaacguccgucgugaagagggaaacaacccagaccgccagcuaaggucc
caaagucaugguuaagugggaaacgaugugggaaggcccagacagucgag
ucggccugcgcggaagauguaacggggcuaaaccaugcaccgaagcugcg
gcagcgacgcuuaugcguuguuggguaggggagcguucuguaagccugcg
aaggugugcugugaggcaugcuggagguaucagaagugcgaaugcugaca
uaaguaacgauaaagcgggugaaaagcccgcucgccggaagaccaagggu
uccuguccaacguuaaucggggcagggugagucgaccccuaaggcgaggc
cgaaaggcguagucgaugggaaacagguuaauauuccuguacuugguguu
acugcgaaggggggacggagaaggcuauguuggccgggcgacgguugucc
cgguuuaagcguguaggcugguuuuccaggcaaauccggaaaaucaaggc
ugaggcgugaugacgaggcacuacggugcugaagcaacaaaugcccugcu
uccaggaaaagccucuaagcaucagguaacaucaaaucguaccccaaacc
gacacagguggucagguagagaauaccaaggcgcuugagagaacucgggu
gaaggaacuaggcaaaauggugccguaacuucgggagaaggcacgcugau
auguaggugaggucccucgcggauggagcugaaaucagucgaagauacca
gcuggcugcaacuguuuauuaaaaacacagcacugugcaaacacgaaagu
ggacguauacggugugacgccugcccggugccggaagguuaauugauggg
guuagcgcaagcgaagcucuugaucgaagccccgguaaacggcggccgua
acuauaacgguccuaagguagcgaaauuccuugucggguaaguuccgacc
ugcacgaauggcguaaugauggccaggcugucuccacccgagacucagug
aaauugaacucgcugugaagaugcaguguacccgcggcaagacggaaaga
ccccgugaaccuuuacuauagcuugacacugaacauugagccuugaugug
uaggauaggugggaggcuuugaaguguggacgccagucugcauggagccg
accuugaaauaccacccuuuaauguuugauguucuaacguugaccccuaa
ucgggguugcggacagugucugguggguaguuugacuggggcggucuccu
ccuaaagaguaacggaggagcacgaagguuggcuaauccuggucggacau
caggagguuagugcaauggcauaagccagcuugacugcgagcgugacggc
gcgagcaggugcgaaagcaggucauagugauccggugguucugaauggaa
gggccaucgcucaacggauaaaagguacuccggggauaacaggcugauac
cgcccaagaguucauaucgacggcgguguuuggcaccucgaugucggcuc
aucacauccuggggcugaaguaggucccaaggguauggcuguucgccauu
uaaagugguacgcgagcuggguuuagaacgucgugagacaguucgguccc
uaucugccgugggcgcuggagaacugaggggggcugcuccuaguacgaga
ggaccggaguggacgcaucacugguguucggguugucaugccaauggcac
ugcccgguagcuaaaugcggaagagauaagugcugaaagcaucuaagcac
gaaacuugccccgagaugaguucucccugacccuuuaaggguccugaagg
aacguugaagacgacgacguugauaggccggguguguaagcgcagcgaug
cguugagcuaaccgguacuaaugaaccgugaggcuuaaccu

.<<<<<<<......<<<<<<<<<<<.....[[..[[<<<<<<<[[<<...
...<<<<<<.[..(((.>>>.....<<<<<<<..<<<)))..].>>>...
...>>>>>>>...>>>....<<<....>>><<<<<<<....>>>>>>>.<
<<<<<<<<.........>>>>>>>>>.>>...<<<<<<.....<<....>
>......>>>>>.>.........<<....>>..<<<<<<.....<<....
.>>....>>>>>>..(((..<<<<......<<<<<<<<<<<<<.<<<...
<<<<<......>>>>>((......<<<.....))>>>...>>>...>>>>
>>>>>>>>>...>>>>........<<<<<<<<.........>>>>>>>>.
.....<<<<<..<<<<>>>>>..)))......]].>>>>>>>.]].....
..........<<....>>....]].........<<<<.....>>>>....
..............>>>>>>>>>>>.......<<<<..<<<<<......>
>>>>..>>>>...<.<........>.>.<<<<<<....<<<<<<<<<<<<
<..<<<...<<.....>>...>>>...<<....>>..<<<<.....>>>>
.....>>>>>>>>>>>>>..<<.<...<<<<<<.....<<<<<<<<<..<
<<....<<<<<<......>>>>>>.....>>>...<<<.<<<<<......
..>>>>>>>>....>>>>>>>>>...<<<.....>>>......>>>>>>.
.....>.>>..<<<<<<....<<<<<....>>>>>.<<<<<<<<...<<<
<<<<<<.....<<<...<<<.<<<<...<<<<.....>>.>>...>>>>.
>>>..>>.>.....>>>>>>.>>>...>>>>>>>.>...<<<<<<<<<<.
.....>>>>>>>>>>....<<<......>>>...<<<<.<<<...<<<((
(.....<<<<<<...........<<..<<<<<..<<..............
>>..>>>>>.>>...........))).....>>>>>>.>>>...>>>>>>
><<<<<<<<......>>>>>>>>....>>>>>>..<<<<<...<<<....
..<<<<<<<<....>>>>>>>>...>>>..>>>>>........>>>>>><
......<<.....<<<<<<.......>>>>>><<<<....<<<<<.<<..
.<<<<<<...<<.....>>.>>>>>>....((<<<.<<<...<<<...<<
<....>>>...>>>...>>>..<<<<<........>>>>>))<<<<<<<<
<<<<<...<<<<....<<<<..<<<..<<<<<<<<<<<....(((...>>
>>>><<..<<<<...<<<<<<<<<<<<.<<.....>>>>>>>>>>..>>>
>...>>>>...>><..<<<<<....>>>>>...>>>>>>...>>>...>>
>>.........>>>>...>>....>>>>>>>>>>>.>>>..>>.....<<
......>>>>>>>.<<<<.....>>>>..>>>>..<<<<....<<<<<<<
<.<<...............<<<<<...............>>>>><<<<<<
.....<<<...<<<<.....>>>>...>>>...>>>>>>...........
.<<<<<<<<<..<<<.........>>>..<<<<<<<.....<<<....>>
>.......>>>>>>>.<<<<<.<<<..<<<<<<<..<<<<...<...<<<
<<..<<....>>...>>>>>.>.....>>>>>>>>>..>>>>><<<<<<.
......>>>>>>........<...........<<<<<<.....>>>>>>.
....>....>>>>>..>>.>>>>>>>.....>>.>>>>>>>>.>>>>>>.
....>.....<<<<<........>>>>>..<<<<<<<<.(((.[[.....
.<<<<.[[<<<<..<<<<<.<<<.<<<<<.<<<<<<<<<<<.<<<<....
.........<<............<<<<<<<......>>>>>>>.......
............>>....>>>>.>>>>>>>>>>>...<<<.<<<<<<...
..>>>>>>>>>....>>>>>.>>>..>>>>>..<<<<.....>>>><<<<
<<...........>>>>>>..<<...<<<<<<<...<<<<<<.......>
>>>>>.....<<...(((>>....>>>>>>>...<<<<..<<<<....>>
>>..>>>>.<<<....>>>.>>))).......<<<<<<<.((..>>>>..
))>>>>>>>.............>>>>..]]>>>>.......<<<<...<<
<<<<...<<.......>>...>>>>>>....>>>.>.......<<<<<.<
<<<<<..<<<<<<<<<......>>>>>>..>>>.<<<<<.....>>>>>.
....>>>>>..>...>>>.>>....<<<<<<<....>>>.>>>>....]]
..)))>>>>>>>>....<<<<<<<...<<<<..<<<<<<<..........
.....>>>>>>>.<<<<<...<<<<...<<<<<<<<<<<))).>>>>>>.
.>>>>>...>>>>.>>>>>...<<<....<<<<<...........>>>>>
....>>>.>>>>.......>>>>>>>..<<<<<.....>>>>><....<<
..<<<<<.......>>>>>....<<<<<<<<..<<....<<<<<....>>
>>>...>>...>>>>>.>>>.....>>..>..>>>>>>>..

Receptor-Ligand Complex Structure

Structure summary

• PDB: 8qbt Novel arrest peptides induce ribosome stalling by short circuiting the ribosomal peptidyltransferase activity
• Resolution: 2.2 Å
• Binding residue (original residue number in PDB): R9 R10 T12 R13 R16 L18 L21 S91 F92 R94 Q98 Y99 R111 F117
• Binding residue (residue number reindexed from 1): R6 R7 T9 R10 R13 L15 L18 S88 F89 R91 Q95 Y96 R108 F114

Gene Ontology

Molecular Function

• GO:0003735 structural constituent of ribosome
• GO:0008097 5S rRNA binding
• GO:0019843 rRNA binding

Biological Process

• GO:0002181 cytoplasmic translation
• GO:0006412 translation

Cellular Component

• GO:0005737 cytoplasm
• GO:0005829 cytosol
• GO:0005840 ribosome
• GO:0022625 cytosolic large ribosomal subunit
• GO:1990904 ribonucleoprotein complex

External links

• PDB: RCSB:8qbt, PDBe:8qbt, PDBj:8qbt
• PDBsum: 8qbt
• PubMed: 38503735
• UniProt: P0C018|RL18_ECOLI Large ribosomal subunit protein uL18 (Gene Name=rplR)