Structure of PDB 7ssd Chain Z Binding Site BS01

Receptor Information

>7ssd Chain Z (length=65) Species: 83333 (Escherichia coli K-12)

IKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAV
KRHAKKLARENARRT

Ligand information

>7ssd Chain 3 (length=1539)

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

Structure summary

• PDB: 7ssd Time-resolved cryo-EM visualizes ribosomal translocation with EF-G and GTP.
• Resolution: 3.3 Å
• Binding residue (original residue number in PDB): Y37 E38 R44 R46 K48 R65 R66
• Binding residue (residue number reindexed from 1): Y35 E36 R42 R44 K46 R63 R64

Gene Ontology

Molecular Function

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

Biological Process

• GO:0000028 ribosomal small subunit assembly
• GO:0002181 cytoplasmic translation
• GO:0006412 translation

Cellular Component

• GO:0005737 cytoplasm
• GO:0005829 cytosol
• GO:0005840 ribosome
• GO:0022627 cytosolic small ribosomal subunit
• GO:1990904 ribonucleoprotein complex

External links

• PDB: RCSB:7ssd, PDBe:7ssd, PDBj:7ssd
• PDBsum: 7ssd
• PubMed: 34903725
• UniProt: P68679|RS21_ECOLI Small ribosomal subunit protein bS21 (Gene Name=rpsU)