Structure of PDB 7rqa Chain 1U Binding Site BS01

Receptor Information

>7rqa Chain 1U (length=116) Species: 300852 (Thermus thermophilus HB8)

PRAKTGVVRRRKHKKILKLAKGYWGLRSKSFRKARETLFAAGNYAYAHRK
RRKRDFRRLWIVRINAACRQHGLNYSTFIHGLKKAGIEVDRKNLADLAVR
EPQVFAELVERAKAAQ

Ligand information

>7rqa Chain 1A (length=2872)

agaugguaagggcccacgguggaugccucggcacccgagccgaugaagga
cguggcuaccugcgauaagccagggggagccgguagcgggcguggauccc
uggauguccgaaugggggaacccggccggcgggaacgccggucaccgcgc
gcgcggggggaaccuggggaacugaaacaucucaguacccagaggagagg
aaagagaaaucgacucccugaguagcggcgagcgaaaggggaccagccua
aaccguccggcuuguccgggcggggucguggggcccucggaccgaauccc
cagccuagccgaagcuguugggaagcagcgccagagagggugaaagcccc
guaggcgaaagguggggggauaggugaggguacccgaguaccccgugguu
cguggagccaugggggaaucugggcggaccaccgccuaaggcuaaguacu
ccgggugaccgauagcgcaccaguaccgugagggaaaggugaaaagaacc
ccgggaggggagugaaauagagccugaaaccgugggcuuacaagcaguca
cggccccgagggguuguggcgugccuauugaagcaugagccggcgacuca
cggucgugggcgagcuuaagccguugaggcggaggcguagggaaaccgag
uccgaacagggcgcagcggccgcaaaguccgcggccguggacccgaaacc
gggcgagcuagcccuggccagggugaagcuggggugagacccaguggagg
cccgaaccggugggggaugcaaaccccucggaugagcuggggcuaggagu
gaaaagcuaaccgagcccggagauagcugguucuccccgaaaugacuuua
gggucagccucaggcgcugacuggggccuguagagcacugauagggcuag
ggggcccaccagccuaccaaacccugucaaacuccgaagggucccaggug
gagccugggagugagggcgcgagcgauaacguccgcguccgagcgcggga
acaaccgagaccgccagcuaaggcccccaagucugggcuaagugguaaag
gauguggcgccgcgaagacagccaggagguuggcuuagaagcagccaucc
uuuaaagagugcguaauagcucacuggucgaguggcgccgcgccgaaaau
gaucggggcuuaagcccagcgccgaagcugcgggucugggggaugacccc
aggcgguaggggagcguucccgaugccgaugaaggccgacccgcgagggc
ggcuggagguaagggaagugcgaaugccggcaugaguaacgauaaagagg
gugagaaucccucucgccguaagcccaaggguuccuacgcaauggucguc
agcguaggguuaggcgggaccuaaggugaagccgaaaggcguagccgaag
ggcagccgguuaauauuccggcccuucccgcaggugcgauggggggacgc
ucuaggcuagggggaccggagccauggacgagcccggccagaagcgcagg
gugggagguaggcaaauccgccucccaacaagcucugcgugguggggaag
cccgggugacaaccccccgaagccagggagccaagaaaagccucuaagca
caaccugcgggaacccguaccgcaaaccgacacaggugggcgggugcaag
agcacucaggcgcgcgggagaacccucgccaaggaacucugcaaguuggc
cccguaacuucgggagaaggggugcucccuggggugaugagccccgggga
gccgcagugaacaggcucuggcgacuguuuaccaaaaacacagcucucug
cgaacucguaagaggagguauagggagcgacgcuugcccggugccggaag
gucaaggggaggggugcaagccccgaaccgaagccccggugaacggcggc
cguaacuauaacgguccuaagguagcgaaauuccuugucggguaaguucc
gaccugcacgaaaagcguaacgaccggagcgcugucucggcgagggaccc
ggugaaauugaacuggccgugaagaugcggccuacccguggcaggacgaa
aagaccccguggagcuuuacugcagccugguguuggcucuuggucgcgcc
ugcguaggauaggugggagccugugaacccccgccuccggguggggggga
ggcgccggugaaauaccacccuggcgcggcugggggccuaacccucggau
ggggggacagcgcuuggcgggcaguuugacuggggcggucgccuccuaaa
agguaacggaggcgcccaaagguccccucaggcgggacggaaauccgccg
gagagcgcaaggguagaagggggccugacugcgaggccugcaagccgagc
aggggcgaaagccgggccuagugaaccgguggucccguguggaagggcca
ucgaucaacggauaaaaguuaccccggggauaacaggcugaucucccccg
agcguccacagcggcggggagguuuggcaccucgaugucggcucgucgca
uccuggggcugaagaaggucccaaggguugggcuguucgcccauuaaagc
ggcacgcgagcuggguucagaacgucgugagacaguucggucucuauccg
ccacgggcgcaggaggcuugaggggggcucuuccuaguacgagaggaccg
gaagggacgcaccucugguuucccagcugucccuccaggggcauaagcug
gguagccaugugcggaagggauaaccgcugaaagcaucuaagcgggaagc
ccgccccaagaugaggccucccacggcagccgguaaggacccgggaagac
cacccgguggaugggccggggguguaagcgccgcgaggcguugagccgac
cggucccaaucguccgaggucu

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

Receptor-Ligand Complex Structure

Structure summary

• PDB: 7rqa Structural basis for the context-specific action of the classic peptidyl transferase inhibitor chloramphenicol.
• Resolution: 2.4 Å
• Binding residue (original residue number in PDB): P2 R3 A4 K5 T6 G7 R10 R11 R12 K13 H14 K15 K16 K19 K22 G23 Y24 W25 G26 L27 R28 K30 S31 F32 R33 K34 R36 E37 A42 Y45 Y47 H49 K51 R53 K54 R55 F57 R58 R59 W61 I62 N66 R70 N75 Y76 S77 H81 D91 R92 K93
• Binding residue (residue number reindexed from 1): P1 R2 A3 K4 T5 G6 R9 R10 R11 K12 H13 K14 K15 K18 K21 G22 Y23 W24 G25 L26 R27 K29 S30 F31 R32 K33 R35 E36 A41 Y44 Y46 H48 K50 R52 K53 R54 F56 R57 R58 W60 I61 N65 R69 N74 Y75 S76 H80 D90 R91 K92

Gene Ontology

Molecular Function

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

Biological Process

• GO:0000027 ribosomal large subunit assembly
• GO:0006412 translation

Cellular Component

• GO:0005840 ribosome
• GO:0022625 cytosolic large ribosomal subunit
• GO:1990904 ribonucleoprotein complex

External links

• PDB: RCSB:7rqa, PDBe:7rqa, PDBj:7rqa
• PDBsum: 7rqa
• PubMed: 35165455
• UniProt: P60491|RL20_THET8 Large ribosomal subunit protein bL20 (Gene Name=rplT)