Structure of PDB 7ssn Chain U Binding Site BS01

Receptor Information
>7ssn Chain U (length=82) Species: 83333 (Escherichia coli K-12) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MVTIRLARHGAKKRPFYQVVVADSRNARNGRFIERVGFFNPIASEKEEGT
RLDLDRIAHWVGQGATISDRVAALIKEVNKAA
Ligand information
>7ssn Chain 3 (length=1539) [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
aagguaaccguaggggaaccugcgguuggaucaccuccu
.......<<<<..[.((((.>>>>.<<<<.<<<<<..<<<<<<<<.....
<<<.<<<..<<<..<<.<...<<<.....<......>......>>>.>..
>>>>>......<<.......<<<<<<<..<<...<<<<<<<.<.<<....
.<<<<<......>>>>>......>>.>.....<<<....>>>....<<<<
<<..<......>>>>>>>.>>>>>>>..>>.>>>>>>><<<....<<<..
<<<<<<<.........>>>>>>>>>>......>>>..<<<<<<<<....>
>>>...>>>>.>>.<<<<.<<.........>>>>>>.<<<<....>>>>.
..>>>>>>.........<<<...<<<<<....>>>>.>>>>..>>.>>>>
>>..<<<........<<<....>>>.......>>>.....<<<<<.....
.<.<<<<<<<<.......>>>>>>>>.>........>>>>>.......<<
<<<(((...<<<<<.....<<.)))>>.......>>>>>>>>>>..>>>>
>>>>>..........<<<((.....<<<<...<<<.<<<<<<<.<<<<<<
<<<<......<<<<<<.....>>>>>>....>>>>>>>>..>>>>>>>>>
...<<<<<<<<...<<<<<<<....<<<<<<<<.<.<<<......>>>..
...>>>>>>>>>...........<<....>>.>>>>>>>..>>>>.>>>>
...>>>...>>>>....<<<<<<...<<...<<<<.<.....>.>>>>..
.>>>>>>>>..........<<<<<<.<<<<<<<<<<<<<.....>>>>>>
>>>>>>>..<<..))>>.....>>>>>>.>>>.<<<......<<<<....
>>>>....>>>..)))).]<<<<<.<<<<<<<.<<.<<<<<<..<<<<<<
<<<<......<<........>>..........<<<<<<<......<<<<<
<<..<<<<<<<....>>>>>>>...<<....>>..>>>>>.>>.<<<.<<
<..<<<<<<.......<<<<<<<<<....>>>..<<<<......>>>>..
>>>>>>.....<<<<.<<<<<<....<...<<<.....>>>.>.....>>
>>>>.....<<<<<.....>>>>>........>>>>.........>>>..
.>>>>>>>>>...>>>>>>>...>>.>>>>>>>>.....<<<<<<<....
.<<<..<<...<<<....>>>...>>....>>>.....>>>>>>>.....
.<....<<<<<<<........>>>>>>>....>.....>>>>>>....<<
<<<<<.........>>>>>>>......>>...>>>>>>>>>>.>>....<
..<<.<.<<<<.<<<..<<<.<.<<<<<<....<<<<<<.<<<<..<<..
..>>.>>>>>>>>>>...>>>>>.>.>>>>..>>>.>>>>..>.>>...>
.....<<<<<<<<<....>>>>>>>>>............
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB7ssn Time-resolved cryo-EM visualizes ribosomal translocation with EF-G and GTP.
Resolution3.2 Å
Binding residue
(original residue number in PDB)
M1 R5 L6 R8 G10 A11 K12 K13 F16 D23 R25 R28 G30 R31 R35 F38 I42 K46 R51 Q63 G64 R70
Binding residue
(residue number reindexed from 1)
M1 R5 L6 R8 G10 A11 K12 K13 F16 D23 R25 R28 G30 R31 R35 F38 I42 K46 R51 Q63 G64 R70
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0000400 four-way junction DNA binding
GO:0003735 structural constituent of ribosome
GO:0004519 endonuclease activity
GO:0004520 DNA endonuclease activity
Biological Process
GO:0000028 ribosomal small subunit assembly
GO:0002181 cytoplasmic translation
GO:0006259 DNA metabolic process
GO:0006412 translation
Cellular Component
GO:0005737 cytoplasm
GO:0005840 ribosome
GO:0015935 small ribosomal subunit
GO:0022627 cytosolic small ribosomal subunit
GO:1990904 ribonucleoprotein complex

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Molecular Function

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Biological Process

View graph for
Cellular Component
External links
PDB RCSB:7ssn, PDBe:7ssn, PDBj:7ssn
PDBsum7ssn
PubMed34903725
UniProtP0A7T3|RS16_ECOLI Small ribosomal subunit protein bS16 (Gene Name=rpsP)

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