Structure of PDB 8eiu Chain U Binding Site BS01

Receptor Information

>8eiu Chain U (length=70) Species: 562 (Escherichia coli)

PVIKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKAS
AVKRHAKKLARENARRTRLY

Ligand information

>8eiu Chain A (length=1519)

aauugaagaguuugaucauggcucagauugaacgcuggcggcaggccuaa
cacaugcaagucgaacgguaacaggaagaagcuugcuucuuugcugacga
guggcggacgggugaguaaugucugggaaacugccugauggagggggaua
acuacuggaaacgguagcuaauaccgcauaacgucgcaagaccaaagagg
gggccucuugccaucggaugugcccagaugggauuagcuaguaggugggg
uaacggcucaccuaggcgacgaucccuagcuggucugagaggaugaccag
ccacacuggaacugagacacgguccagacuccuacgggaggcagcagugg
ggaauauugcacaaugggcgcaagccugaugcagccaugccgcguguaug
aagaaggccuucggguuguaaaguacuuucagcggggaggaagggaguaa
aguuaauaccuuugcucauugacguuacccgcagaagaagcaccggcuaa
cuccgugccagcagccgcgguaauacggagggugcaagcguuaaucggaa
uuacugggcguaaagcgcacgcaggcgguuuguuaagucagaugugaaau
ccccgggcucaaccugggaacugcaucugauacuggcaagcuugagucuc
guagagggggguagaauuccagguguagcggugaaaugcguagagaucug
gaggaauaccgguggcgaaggcggcccccuggacgaagacugacgcucag
gugcgaaagcguggggagcaaacaggauuagauacccugguaguccacgc
cguaaacgaugucgacuuggagguugugccggcguggcuuccggagcuaa
cgcguuaagucgaccgccuggggaguacggccgcaagguuaaaacucaaa
ugaauugacgggggcccgcacaagcgguggagcaugugguuuaauucgau
gcaacgcgaagaaccuuaccuggucuugacauccacggaaguuuucagag
augagaaugugccuucgggaaccgugagacaggugcugcauggcugucgu
cagcucguguugugaaauguuggguuaagucccgcaacgagcgcaacccu
uauccuuuguugccagcgguccggccgggaacucaaaggagacugccagu
gauaaacuggaggaagguggggaugacgucaagucaucauggcccuuacg
accagggcuacacacgugcuacaauggcgcauacaaagagaagcgaccuc
gcgagagcaagcggaccucauaaagugcgucguaguccggauuggagucu
gcaacucgacuccaugaagucggaaucgcuaguaaucguggaucagaaug
ccacggugaauacguucccgggccuuguacacaccgcccgucacaccaug
ggaguggguugcaaaagaaguagguagcuuaaccuucgggagggcgcuua
ccacuuugugauucaugacuggggugaagucguaacaagguaaccguagg
ggaaccugcgguuggauca

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

Receptor-Ligand Complex Structure

Structure summary

• PDB: 8eiu Rare ribosomal RNA sequences from archaea stabilize the bacterial ribosome.
• Resolution: 2.24 Å
• Binding residue (original residue number in PDB): E31 R35 K40 P41 T42 R45 K46 A52 V53 H56 R69 L70 Y71
• Binding residue (residue number reindexed from 1): E30 R34 K39 P40 T41 R44 K45 A51 V52 H55 R68 L69 Y70

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:8eiu, PDBe:8eiu, PDBj:8eiu
• PDBsum: 8eiu
• PubMed: 36660825
• UniProt: P68679|RS21_ECOLI Small ribosomal subunit protein bS21 (Gene Name=rpsU)