Structure of PDB 8qbt Chain X Binding Site BS01

Receptor Information

>8qbt Chain X (length=77) Species: 679895 (Escherichia coli BW25113)

SRVCQVTGKRPVTGNNRSHALNATKRRFLPNLHSHRFWVESEKRFVTLRV
SAKGMRVIDKKGIDTVLAELRARGEKY

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): S2 R3 K10 T14 G15 N16 R18 S19 H20 A21 L22 N23 T25 K26 R27 R28 F29 L30 P31 N32 H34 H36 R37 R50 A53 K54 M56 R57 K61
• Binding residue (residue number reindexed from 1): S1 R2 K9 T13 G14 N15 R17 S18 H19 A20 L21 N22 T24 K25 R26 R27 F28 L29 P30 N31 H33 H35 R36 R49 A52 K53 M55 R56 K60

Gene Ontology

Molecular Function

• GO:0003735 structural constituent of ribosome
• GO:0005515 protein binding
• GO:0019843 rRNA binding

Biological Process

• GO:0000027 ribosomal large subunit assembly
• 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: P0A7M2|RL28_ECOLI Large ribosomal subunit protein bL28 (Gene Name=rpmB)