Structure of PDB 2ykr Chain U Binding Site BS01

Receptor Information
>2ykr Chain U (length=51) Species: 668369 (Escherichia coli DH5[alpha]) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
IKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAV
K
Ligand information
>2ykr Chain A (length=1533) [Search RNA sequence] [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
aauugaagaguuugaucauggcucagauugaacgcuggcggcaggccuaa
cacaugcaagucgaacgguaacaggaagaagcuugcuucuuugcugacga
guggcggacgggugaguaaugucugggaaacugccugauggagggggaua
acuacuggaaacgguagcuaauaccgcauaacgucgcaagaccaaagagg
gggaccuucgggccucuugccaucggaugugcccagaugggauuagcuag
uaggugggguaacggcucaccuaggcgacgaucccuagcuggucugagag
gaugaccagccacacuggaacugagacacgguccagacuccuacgggagg
cagcaguggggaauauugcacaaugggcgcaagccugaugcagccaugcc
gcguguaugaagaaggccuucggguuguaaaguacuuucagcggggagga
agggaguaaaguuaauaccuuugcucauugacguuacccgcagaagaagc
accggcuaacuccgugccagcagccgcgguaauacggagggugcaagcgu
uaaucggaauuacugggcguaaagcgcacgcaggcgguuuguuaagucag
augugaaauccccgggcucaaccugggaacugcaucugauacuggcaagc
uugagucucguagagggggguagaauuccagguguagcggugaaaugcgu
agagaucuggaggaauaccgguggcgaaggcggcccccuggacgaagacu
gacgcucaggugcgaaagcguggggagcaaacaggauuagauacccuggu
aguccacgccguaaacgaugucgacuuggagguugugcccuugaggcgug
gcuuccggagcuaacgcguuaagucgaccgccuggggaguacggccgcaa
gguuaaaacucaaaugaauugacgggggcccgcacaagcgguggagcaug
ugguuuaauucgaugcaacgcgaagaaccuuaccuggucuugacauccac
ggaaguuuucagagaugagaaugugccuucgggaaccgugagacaggugc
ugcauggcugucgucagcucguguugugaaauguuggguuaagucccgca
acgagcgcaacccuuauccuuuguugccagcgguccggccgggaacucaa
aggagacugccagugauaaacuggaggaagguggggaugacgucaaguca
ucauggcccuuacgaccagggcuacacacgugcuacaauggcgcauacaa
agagaagcgaccucgcgagagcaagcggaccucauaaagugcgucguagu
ccggauuggagucugcaacucgacuccaugaagucggaaucgcuaguaau
cguggaucagaaugccacggugaauacguucccgggccuuguacacaccg
cccgucacaccaugggaguggguugcaaaagaaguagguagcuuaaccuu
cgggagggcgcuuaccacuuugugauucaugacuggggugaagucguaac
aagguaaccguaggggaaccugcgguuggauca
.......<<<<..[.(((..>>>>......<<<<<..<<<<<........
<<..<<...........<....<.....................>..>..
...........<..........<<<<........<<<<<...<.<.....
.<<............>>.......>.>....................<<.
.....<....>....>>....>>>>>......>>>>..<<<.........
.<<<<.............>>>>..........>>>..<<<<..<<....>
>.....>>>>..>..<<<<............>>>>...............
...>>.>>.........<<.....<<<<....>>>>...>>......>>>
>>.............<<<....>>>...............<<<<<.....
.<.........................>........>>>>>.......<<
<<<(((...<<<<.........)))..........>>>>>>>>>..>>>>
>.................((......<<<...<......<..<.<<...<
<<<........<<<<.......>>>>......>>>>.....>>>..>...
...<<<<<<.....<<<<<......<.<.<.<..................
.....>.>.>..>..........<<....>>...>>>>>....>>.>>>>
.....>...>>>.....<<<<<.....<....<.............>...
.>..>>>>>..........<<<<<<..<<<<<<<<<<.........>>>>
>>>>>>...<<..))>>.....>>>>>>.....<<........<......
..>......>>...))).]..<...<<<<<<<.....<<<....<<<<<<
<...............................<<<<<<........<<<<
<.......<<<....>>>.......<<....>>...>>>>.>..<<<.<<
<..<.<<<........<<<<<<<<......>>....<........>....
>>>>>>............<<<..........<<.....>>.........>
>>.........<<<.....>>>........................>...
>>.>>>>>>>....>>>>>>.......>>>>>>>......<<.<......
.<<<..<<...<<<....>>>...>>....>>>.......>.>>......
......<<<<<.<........>.>>>>>............>>>.....<<
<..<...........>..>>>...........>>>>>>>..>........
.......<<<<.<.......<<<<<........<<.......<<..<<..
..>>.>>......>>.......>>>>>.......>.>>>>..........
.....<<<<<<<<<....>>>>>>>>>......
Receptor-Ligand Complex Structure
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PDB2ykr Structural Basis for the Function of a Small Gtpase Rsga on the 30S Ribosomal Subunit Maturation Revealed by Cryoelectron Microscopy.
Resolution9.8 Å
Binding residue
(original residue number in PDB)		S21 C22 R32 R34 Y37 E38 T41 T42 R44 K45 S50 K53
Binding residue
(residue number reindexed from 1)		S19 C20 R30 R32 Y35 E36 T39 T40 R42 K43 S48 K51
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:2ykr, PDBe:2ykr, PDBj:2ykr
PDBsum2ykr
PubMed21788480
UniProtP68679|RS21_ECOLI Small ribosomal subunit protein bS21 (Gene Name=rpsU)

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