Structure of PDB 7rqb Chain 2Y Binding Site BS01

Receptor Information
>7rqb Chain 2Y (length=107) Species: 300852 (Thermus thermophilus HB8) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MRVKMHVKKGDTVLVASGKYKGRVGKVKEVLPKKYAVIVEGVNIVKKAVR
VSPKYPQGGFIEKEAPLHASKVRPICPACGKPTRVRKKFLENGKKIRVCA
KCGGALD
Ligand information
>7rqb Chain 2A (length=2867) [Search RNA sequence] [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
agaugguaagggcccacgguggaugccucggcacccgagccgaugaagga
cguggcuaccugcgauaagccagggggagccgguagcgggcguggauccc
uggauguccgaaugggggaacccggccggcgggaacgccggucaccgcgc
ugcgcggggggaaccuggggaacugaaacaucucaguacccagaggagag
gaaagagaaaucgacucccugaguagcggcgagcgaaaggggaccagccu
aaaccguccggcuuguccgggcggggucguggggcccucggacaccgaau
ccccagccuagccgaagcuguugggaagcagcgccagagagggugaaagc
cccguaggcgaaagguggggggauaggugaggguacccgaguaccccgug
guucguggagccaugggggaaucugggcggaccaccgccuaaggcuaagu
acuccgggugaccgauagcgcaccaguaccgugagggaaaggugaaaaga
accccgggaggggagugaaauagagccugaaaccgugggcuuacaagcag
ucacggccccggggguuguggcgugccuauugaagcaugagccggcgacu
cacggucgugggcgagcuuaagccguugaggcggaggcguagggaaaccg
aguccgaacagggcgcaagcgcgcaaaguccgcggccguggacccgaaac
cgggcgagcuagcccuggccagggugaagcuggggugagacccaguggag
gcccgaaccggugggggaugcaaaccccucggaugagcuggggcuaggag
ugaaaagcuaaccgagcccggagauagcugguucuccccgaaaugacuuu
agggucagccucaggcgcugacuggggccuguagagcacugauagggcua
gggggcccaccagccuaccaaacccugucaaacuccgaagggucccaggu
ggagccugggagugagggcgcgagcgauaacguccgcguccgagcgcggg
aacaaccgagaccgccagcuaaggcccccaagucugggcuaagugguaaa
ggauguggcgccgcgaagacagccaggagguggcuuagaagcagccaucc
uuuaaagagugcguaauagcucacuggucgaguggcgccgcgccgaaaau
gaucggggcuuaagcccagcgccgaagcugcgggucuggggccccaggcg
guaggggagcguucccgaugccgaugaaggccgacccgcgagggcggcug
gagguaagggaagugcgaaugccggcaugaguaacgauaaagagggugag
aaucccucucgccguaagcccaaggguuccuacgcaauggucgucagcgu
aggguuaggcgggaccuaaggugaagccgaaaggcguagccgaagggcag
ccgguuaauauuccggcccuucccgcaggugcgauggggggacgcucuag
gcuagggggaccggagccauggacgagcccggccagaagcgcaggguggg
agguaggcaaauccgccucccaacaagcucugcgugguggggaagcccgc
gggugacaaccccccgaagccagggagccaagaaaagccucuaagcacaa
ccugcgggaacccguaccgcaaaccgacacaggugggcgggugcaagagc
acucaggcgcgcgggagaacccucgccaaggaacucugcaaguuggcccc
guaacuucgggagaaggggugcucccuggggugaugagccccggggagcc
gcagugaacaggcucuggcgacuguuuaccaaaaacacagcucucugcga
acucguaagaggagguauagggagcgacgcuugcccggugccggaagguc
aaggggaggggugcaagccccgaaccgaagccccggugaacggcggccgu
aacuauaacgguccuaagguagcgaaauuccuugucggguaaguuccgac
cugcacgaaaagcguaacgaccggagcgcugucucggcgagggacccggu
gaaauugaacuggccgugaagaugcggccuacccguggcaggacgaaaag
accccguggagcuuuacugcagccugguguuggcucuuggucgcgccugc
guaggauaggugggagccugugaacccccgccuccgggugggggggaggc
gccggugaaauaccacccuggcgcggcugggggccuaacccucggauggg
gggacagcgcuuggcgggcaguuugacuggggcggucgccuccuaaaagg
uaacggaggcgcccaaagguccccucaggcgggacggaaauccgccggag
agcgcaaggguagaagggggccugacugcgaggccugcaagccgagcagg
ggcgaaagccgggccuagugaaccgguggucccguguggaagggccaucg
aucaacggauaaaaguuaccccggggauaacaggcugaucucccccgagc
guccacagcggcggggagguuuggcaccucgaugucggcucgucgcaucc
uggggcugaagaaggucccaaggguugggcuguucgcccauuaaagcggc
acgcgagcuggguucagaacgucgugagacaguucggucucuauccgcca
cgggcgcaggaggcuugaggggggcucuuccuaguacgagaggaccggaa
gggacgcaccucugguuucccagcugucccuccaggggcauaagcugggu
agccaugugcggaagggauaaccgcugaaagcaucuaagcgggaagcccg
ccccaagaugaggccucccggcagccgguaaggacccgggaagaccaccc
gguggaugggccggggguguaagcgccgcgaggcguugagccgaccgguc
ccaaucguccgaggucu
.<<......<<<<<<<<<<<.....<<..<<<<<<<<<<<<......<<<
<<<.((..((.>>>.....<<<<<<<..<<<))..)).>>>.....>>>>
>>>...>>>....<<<....>>><<<<<<<<....>>>>>>>>.<<<<<<
.>>>>>>.>>...<<<<<<.....<<....>>......>>>>>.>.....
....<<....>>...<<<<<.....<<.....>>....>>>>>...<<<.
...<<<<<<<<.....>>>>>>>>......<<<<<<<<<....<<<...<
<<<<.<<<<.<<<...<<<<<......>>>>>((......<<<.....))
>>>...>>>...>>>>..>>>>>..>>>>>>>>>.>>>.....<<<<<<<
<<.......>>>>>>>>>......<<<<<..((((>>>>>..>>>.....
.>>.>>>>>>.>>...............<<....>>....>>........
.<<<<....>>>>..................>>>>>>>>>>>.......<
<<<<<<<<<<.>>>>>>>>>>>...<............>.<<<<<<....
<<<<<<<<<<<<<..<<<...<<<.....>>>...>>>...<<....>>.
.<<<<.....>>>>....<<..>>...>>>>>>>>>>>>>..<<.<...<
<<<<<....<<<<<<<<<<..<<<....<<<<<<......>>>>>>....
.>>>...<<<..<<<<........>>>>.>>>....>>>>>>>>>>..<<
<.....>>>......>>>>>>......>.>>..<<<<<<....<<<<<..
..>>>>><<<<<<<<<.....<<<<<<<<<...<<<...<<<<<<<<...
<<<<<<......>>>>.>>...>>>>>>>>..>>.>...>>>>>>>>>..
...>>>>>>>.>>..<<<<<<<.<<......>>.>>>>>>>.....<<<.
.....>>>...<<<<.<<<...<<<(((.....<<<<<<...........
<<..<<<<<<<<<........<<<<<.<<<..................>>
>......................>>>>>....>>>>>>>>>.>>......
....)))......>>>>>>.>>>...>>>>>>><<<<<<<..>>>>>>>.
...>>>>>>..<<<<<...<<<......<<<<<.<<<....>>>>>>>>.
..>>>..>>>>>........>>>>>><......<<.....<<<<<<....
...>>>>>><<<<....<<<<<.<<...<<<<<<...<<.....>>.>>>
>>>....((<<<<.<<...<<<...<<<....>>>...>>>...>>...<
<<<<........>>>>>))<<<<<<<<<<<<<...<<<<....<<<<<.<
<<..<<<<<.<<<<.<<..[[[[...>>>>>><<<...<<<<<<<<<<<<
<<<<.<<.....>>>>>>>>>.....>>>>>>>>>..>>><...<<<<..
>>>>.....>>>>>>...>>>..>>>>>.........>>>>...>>...>
>>>>>>>>>>>>>>..>>.....<<......>>>>>>>.<<<<<....>>
>>>..>>>>..<<<<....<<<<<<<<.<<.........<.....<<<<<
.....<..>......>>>>><<<<<<<<<<<<.....>>>>>>>>>>>>.
...........<<<<<<<<<..<<<.........>>>..<<<<<<<....
.<<<....>>>.......>>>>>>>.<<<<<.<<<..<<<<<<<..<<<.
..<<...<<<<<....>>>>>...>>...>>>>>>>>..>>>>><<<<<<
.......>>>>>>........<...........<<<<<<.....>>>>>>
.....>....>>>>>..>>.>>>>>>>..>..>>.>>>>>>>>.>>>>>>
.....>.....<<<<<........>>>>>..<<<<<<<<.<<<.......
..<<<<.<<<<<<..<<<<<.<<<.<<<<<.<<<<<<<<<<<<<<<<...
........<<<<<..<<<.......<<<<<<......>>>>>>....>>>
............>>>>>..>>>>>>>>>>>>>>>>...<<<<<....>>>
>>....>>>>>.>>>..>>>>>..<<<<.....>>>><<<<<<.......
....>>>>>>..<<...<<<<<<<...<<<<<<.......>>>>>>....
.<<...(((>>....>>>>>>>...<<<<..<<<......>>>..>>>>.
<<<....>>>.>>))).......<<<<<<<.<<..))))..>>>>>>>>>
.............>>>>..>>>>>>.......<<<<.<.<<<<<<...<<
.......>>...>>>>>>...>>>>.>.......<<<<<.<<<<<<..<<
<<<<<<<......>>>>>>>..>>.<<<<<.....>>>>>.....>>>>>
..>...>>>.>>....<<<<<<<....>>>.>>>>........>>>>>>>
>>>>....<<<<<<<...<<<<..<<<<<<<...............>>>>
>>>.<<<<<...<<<<...<<<<<<<<<<<]]]]>>>>>>...>>>>>..
.>>>>.>>>>>...<<<....<<<<<...........>>>>>....>>>.
>>>>.......>>>>>>>.<<<.>>>.....<<<<<<<<<.......>>>
>>....<<<<<<<<.<<<....<<<<<....>>>>>...>>>..>>>>>.
>>>...>>>>....>>.
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB7rqb Structural basis for the context-specific action of the classic peptidyl transferase inhibitor chloramphenicol.
Resolution2.45 Å
Binding residue
(original residue number in PDB)
M1 R2 K4 H6 K8 K9 S17 G18 K19 V30 P32 Y35 K46 K47 A48 V49 R50 V51 G58 G59 F60 K63 H68 S70 K71 R73 R84 R86 K87 K95 K101
Binding residue
(residue number reindexed from 1)
M1 R2 K4 H6 K8 K9 S17 G18 K19 V30 P32 Y35 K46 K47 A48 V49 R50 V51 G58 G59 F60 K63 H68 S70 K71 R73 R84 R86 K87 K95 K101
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0003723 RNA binding
GO:0003735 structural constituent of ribosome
GO:0019843 rRNA binding
Biological Process
GO:0006412 translation
Cellular Component
GO:0005840 ribosome
GO:1990904 ribonucleoprotein complex

View graph for
Molecular Function

View graph for
Biological Process

View graph for
Cellular Component
External links
PDB RCSB:7rqb, PDBe:7rqb, PDBj:7rqb
PDBsum7rqb
PubMed35165455
UniProtQ5SHP9|RL24_THET8 Large ribosomal subunit protein uL24 (Gene Name=rplX)

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