Structure of PDB 7ajt Chain Db Binding Site BS01

Receptor Information

>7ajt Chain Db (length=81) Species: 559292 (Saccharomyces cerevisiae S288C)

VLVQDLLHPTAASEARKHKLKTLVQGPRSYFLDVKCPGCLNITTVFSHAQ
TAVTCESCSTILCTPTGGKAKLSEGTSFRRK

Ligand information

>7ajt Chain D3 (length=1327)

aagauaguuaucugguugauccugccagucauaugcuugucucaaagauu
aagccaugcaugucuaaguauaagcaauuuauacagugaaacugcgaaug
gcucauuaaaucaguuaucguuuauuugauagcaugguauaacuguggua
auucuagagcuaauacaugcuaucucgacccuuuggaagagauuauuuau
uagauucuucggacucuugaugauucauaauaacuuuucgaaucgcaugg
ccuugugcuggcgaugguucauucaaauuucugcccuaucaacuuucgau
gguaggauaguggccuaccaugguuucaacggguaacggggaauaagggu
ucgauuccggagagggagccugagaaacggcuaccacauccaaggaaggc
agcaggcgcgcaaauuacccaauccuaauucagggagguagugacaauaa
auaacgauacagggcccauucgggucuuguaauuggaaugaguacaaugu
aaauaccuuaacgaggaacaauuggagggcaagucuggugccagcagccg
cgguaauuccagcuccaauagcguauauugcucguaguugaacuuugggc
ccgguuggccggucggauuuccaacggggccuuuuuacuuugaaaaaauu
agaguguucaaagcaggcguauugcucgauauauuagcauggaauaauag
gacguuugguucuauuuuguugguuucuaggaccaucguaauuaauaggg
acggucgggggcaucaguauucaauugucagaggugaaauucuuggauuu
auugaagacuaacuacugcgaaagcauuugccaaggacguuuucauuaau
caagaacgaaacuaugccgacuagggaucgggugguguuuuuuuaaugac
ccacucggcaccuuacgaggaguauggucgcaaggcugaaacuuaaagga
auugacggaagggcaccaccaggaguggagccugcggaaacucaccaggu
ccagacacaauauuugugggugguggugcaugugaugcccuuguucuggc
gcgcgcuacacugacggagccagcgagucuaaccuuggccgagaggucuu
gguaaaaacuccgucggggaacgaggaauuccuaguaagcgcaagucauc
agcuugcguugauuacgucccugcccuuuguacacaccgcccgucgcuag
uaccgauugaauggcuuagugaggccucaggaucugcuuagagaaggggg
caacuccaucucagagcggaaauuuggacaaacuuggucauuuagaggaa
cuaaguuuccguaggugaaccugcgga

...........................<<.<<<<<<...<.<........
..<<<.<<<..<<....<<....<<..........>>...>>.>>.....
.<<..<.....<<<..<<..<<....<<<.......<<....<<.<<<..
...>>>.>>.....>>.....<<<<<..<<....>>..>>>>>...<<<<
<<...<<....>>....<<......>>>>>>>>.........<<<<..<<
<.....>>>.>>>>....>>>...>>>>..>>>.<<<.....<......<
<<<<<<.......>>>>>>>..>.......>>>...<<<.<<<......>
>>....>>>>>>.<<.<<<<........>>>>.>>.<.<......>.>..
.>>>>>>.........<<<....<<<.....>>>..>>>.......>.>.
....<<<<<<<.<<<<<....>>>>>.>>>.>>>>......<<..<....
.......>..>>.........<<<<<<.......<<<....>>>......
............>>>>>>..>>>>>>>>.<.<<...<<<.<<....<<<<
<<.<<<<<............>>>>>.>>>>>>..<<<<<.<<........
...<<.......>>..<<.....>>............>>.>>..>>>...
.<<<....<..<<...............>>..>...>>>..>>....<<<
<<<.<<...<<<<..<<..<<<<<<.<...<<<......>>>......>.
>>>>>>..>>.......<<....>>...>>>>...>>>>>.>>>...>>>
...>>.>..........<<...<<<..<<<<<<<<.<<<........>>>
>>>>>>>>..>>>..>>..................<<.........>>..
...<<<<<<<<<<<<..<<.<<<<<...<<<.<<<<........<<<<<.
.....<<<<<...>>>>>......<<...........>>.....>>>>>>
>>>.>>>.....<<<<<<<............<<<..<<<<....>>>>..
>>>.....>>>>>>>.............>>>>>....<<<<<<<<.....
..>>>>>>>>......>>...>>>>>>>............>>>>>..<<<
<.<<....<<<<<<<<.<<...<.<<......<<<<<<<....<.<.<..
....>.>.>....>>>>>>>.....>>.>...>>.>>>>>>>>...>>.>
>>>....<<<<<<<<....>>>>>>>>

Receptor-Ligand Complex Structure

Structure summary

• PDB: 7ajt Structure of the Maturing 90S Pre-ribosome in Association with the RNA Exosome.
• Resolution: 4.6 Å
• Binding residue (original residue number in PDB): H19 K20 L21 K22 Q26 P28 S30 F47 H49 Q51 P66 G68 G69 K70 K72
• Binding residue (residue number reindexed from 1): H18 K19 L20 K21 Q25 P27 S29 F46 H48 Q50 P65 G67 G68 K69 K71

Gene Ontology

Molecular Function

• GO:0003723 RNA binding
• GO:0003735 structural constituent of ribosome
• GO:0008270 zinc ion binding
• GO:0046872 metal ion binding

Biological Process

• GO:0000028 ribosomal small subunit assembly
• GO:0000462 maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)
• GO:0006412 translation

Cellular Component

• GO:0005737 cytoplasm
• GO:0005829 cytosol
• GO:0005840 ribosome
• GO:0022627 cytosolic small ribosomal subunit
• GO:0044391 ribosomal subunit
• GO:1990904 ribonucleoprotein complex

External links

• PDB: RCSB:7ajt, PDBe:7ajt, PDBj:7ajt
• PDBsum: 7ajt
• PubMed: 33326748
• UniProt: P35997|RS27A_YEAST Small ribosomal subunit protein eS27A (Gene Name=RPS27A)