Structure of PDB 6xzb Chain U1 Binding Site BS01

Receptor Information
>6xzb Chain U1 (length=56) Species: 83333 (Escherichia coli K-12) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PVIKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKAS
AVKRHA
Ligand information
>6xzb Chain A1 (length=1523) [Search RNA sequence] [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
aaauugaagaguuugaucauggcucagauugaacgcuggcggcaggccua
acacaugcaagucgaacgguaacaggaagaagcuugcuucuuugcugacg
aguggcggacgggugaguaaugucugggaaacugccugauggagggggau
aacuacuggaaacgguagcuaauaccgcauaacgucgcaagaccaaagag
ggggaccuucgggccucuugccaucggaugugcccagaugggauuagcua
guaggugggguaacggcucaccuaggcgacgaucccuagcuggucugaga
ggaugaccagccacacuggaacugagacacgguccagacuccuacgggag
gcagcaguggggaauauugcacaaugggcgcaagccugaugcagccaugc
cgcguguaugaagaaggccuucggguuguaaaguacuuucagcggggagg
aagggaguaaaguuaauaccuuugcucauugacguuacccgcagaagaag
caccggcuaacuccggccagcagcccgguaauacggagggugcaagcguu
aaucggaauuacugggcguaaagcgcacgcaggcgguuuguuaagucaga
ugugaaauccccgggcucaaccugggaacugcaucugauacuggcaagcu
ugagucucguagagggggguagaauuccagguguagcggugaaaugcgua
gagaucuggaggaauaccgguggcgaaggcggcccccuggacgaagacug
acgcucaggugcgaaagcguggggagcaaacaggauuagauacccuggua
guccacgccguaaacgaugucgacuuggagguugugcccuugaggcgugg
cuuccggagcuaacgcguuaagucgaccgccuggggaguacggccgcaag
guuaaaacucaaaugaauugacgggggcccgcacaagcgguggagcaugu
gguuuaauucgauaacgcgaagaaccuuaccuggucuugacauccacgga
aguuuucagagaugagaaugugccuucgggaaccgugagacaggugcugc
auggcugucgucagcucguguugugaaauguuggguuaagucccgcaacg
agcgcaacccuuauccuuuguugccagcgguccggccgggaacucaaagg
agacugccagugauaaacuggaggaagguggggaugacgucaagucauca
ugcccuuacgaccagggcuacacacgugcuacaauggcgcauacaaagag
aagcgaccucgcgagagcaagcggaccucauaaagugcgucguaguccgg
auuggagucugcaacucgacuccaugaagucggaaucgcuaguaaucgug
gaucagaaugccacggugaauacguucccgggccuuguacacaccgccgu
acaccaugggaguggguugcaaaagaaguagguagcuuaaccuucgggag
ggcgcuuaccacuuugugauucaugacuggggugaagucgaacaagguaa
ccguagggccugcgguuggauca
........<<<<..[.((((.>>>>.<<<<.<<<<<..<<<<<<<<....
.<<<.<<<..<<<..<<.<<..<<<<<<<<........>>>>>.>>>>>.
.>>>>>......<<.......<<<<<<<..<<...<<<<<<<.<.<<...
..<<<<<......>>>>>......>>.>.....<<<....>>>....<<<
<<<..<<....>>>>>>>>.>>>>>>>..>>.>>>>>>><<<....<<<.
.<<<<<<<.........>>>>>>>>>>......>>>..<<<<<<<<....
>>>>...>>>>.>>.<<<<<.<.........>>>>>>.<<<<....>>>>
...>>>>>>.........<<<....<<<<....>>>>..>>>..>>.>>>
>>>..<<<<......<<<<....>>>>.....>>>>...<.<<<<<....
..<.<<<<<<<<.......>>>>>>>>.>........>>>>>....>..<
<<<<(((...<<<<<.......)))........>>>>>>>>>>..>>>>>
>>>>..........<<<((.....<<<<...<<<.<<<<<<<.<<<<<<<
<<<......<<<<<<.....>>>>>>....>>>>>>>>..>>>>>>>>>.
..<<<<<<<<...<<<<<<<....<<<<<<<<...<<<......>>>...
...>>>>>>>>...........<<....>>.>>>>>>>..>>>>.>>>>.
..>>>...>>>>....<<<<<<...<<...<<<<.<.....>.>>>>...
>>>>>>>>..........<<<<<<.<<<<<<<<<<<<<.....>>>>>>>
>>>>>>..<<..))>>.....>>>>>>.>>>.<<<......<<<<....>
>>>....>>>..)))).]<<<<<.<<<<<<<.<<.<<<<<<..<<<<<<<
<<<......<<......>>..........<<<<<<<......<<<<<<<.
...<<<.<....>>>>......<......>..>>>>>.>>.<<<.<....
<<<<<<.......<<<<<<<<<....>>>..<<<<......>>>>..>>>
>>>.....<<<<.<<<<<<<...<<..<<<.....>>>>>....>>>>>>
>.....<<<<<.....>>>>>........>>>>.........>>>...>>
>.>>>>...>>>>>>>...>>.>>>>>>>>.....<<<<<<<.....<<<
..<<...<<<....>>>...>>....>>>.....>>>>>>>......<..
..<<<<<<<........>>>>>>>....>.....>>>>>>....<<<<<<
<.........>>>>>>>......>>...>>>>>>>>>>.>>......<<.
.<<<<.<<<..<<<<<<<<<<<<....<<<<<<.<<<<..<<....>>.>
>>>>>>>>>...>>>>>>>>>>>>..>>>.>>>>....>>........<<
<<<<<<<.>>>>>>>>>......
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB6xzb Insights into the improved macrolide inhibitory activity from the high-resolution cryo-EM structure of dirithromycin bound to the E. coli 70S ribosome.
Resolution2.54 Å
Binding residue
(original residue number in PDB)		R35 Y38 K40 P41 T42 R45 K46 K49 A52
Binding residue
(residue number reindexed from 1)		R34 Y37 K39 P40 T41 R44 K45 K48 A51
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0003735 structural constituent of ribosome
Biological Process
GO:0006412 translation
Cellular Component
GO:0005840 ribosome

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:6xzb, PDBe:6xzb, PDBj:6xzb
PDBsum6xzb
PubMed32144191
UniProtP68679|RS21_ECOLI Small ribosomal subunit protein bS21 (Gene Name=rpsU)

[Back to BioLiP]