Structure of PDB 8cah Chain a Binding Site BS01

Receptor Information
>8cah Chain a (length=87) Species: 580240 (Saccharomyces cerevisiae W303) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MENDKGQLVELYVPRKCSATNRIIKADDHASVQINVAKVDEEGRAIPGEY
VTYALSGYVRSRGESDDSLNRLAQNDGLLKNVWSYSR
Ligand information
>8cah Chain 2 (length=1745) [Search RNA sequence] [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
uaucugguugauccugccaguagucauaugcuugucucaaagauuaagcc
augcaugucuaaguauaagcaauuuauacagugaaacugcgaauggcuca
uuaaaucaguuaucguuuauuugauaguuacaugguauaacugugguaau
ucuagagcuaauacaugcuuaaaaucucgacccuuuggaagagauguauu
uauuagauaaaaaaucaaugucuucggacucuuugaugauucauaauaac
uuuucgaaucgcauggccuugugcuggcgaugguucauucaaauuucugc
ccuaucaacuuucgaugguaggauaguggccuaccaugguuucaacgggu
aacggggaauaaggguucgauuccggagagggagccugagaaacggcuac
cacauccaaggaaggcagcaggcgcgcaaauuacccaauccuaauucagg
gagguagugacaauaaauaacgauacagggcccauucgggucuuguaauu
ggaaugaguacaauguaaauaccuuaacgaggaacaauuggagggcaagu
cuggugccagcagccgcgguaauuccagcuccaauagcguauauuaaagu
uguugcaguuaaaaagcucguaguugaacuuugggcccgguuggccgguc
ggauuuccaacggggccuuuccuucuggcuaaccuugagcuuggcgaacc
aggacuuuuacuuugaaaaaauuagaguguucaaagcaggcguauugcuc
gaauauauuagcauggaauaauagaauaggacguuugguucuauuuuguu
gguuucuaggaccaucguaaugauuaauagggacggucgggggcaucagu
auucaauugucagaggugaaauucuuggauuuauugaagacuaacuacug
cgaaagcauuugccaaggacguuuucauuaaucaagaacgaaaguuaggg
gaucgaagaugaucagauaccgucguagucuuaaccauaaacuaugccga
cuagggaucgggugguguuuuuuuaaugacccacucggcaccuuacgaga
aaucaaagucuuuggguucuggggggaguauggucgcaaggcugaaacuu
aaaggaauugacggaagggcaccaccaggaguggagccugcggcuuaauu
ugacucaacacggggaaacucaccagguccagacacaauaaggauugaca
gauugagagcucuuucuugauuuugugggugguggugcauggccguucuu
aguugguggagugauuugucugcuuaauugcgauaacgaacgagaccuua
accuacuaaauaguggugcuagcauuugcugguuauccacuucuuagagg
gacuaucgguuucaagccgauggaaguuugaggcaauaacaggucuguga
ugcccuuagacguucugggccgcacgcgcgcuacacugacggagccagcg
agucuaaccuuggccgagaggucuugguaaucuugugaaacuccgucgug
cuggggauagagcauuguaauuauugcucuucaacgaggaauuccuagua
agcgcaagucaucagcuugcguugauuacgucccugcccuuuguacacac
cgcccgucgcuaguaccgauugaauggcuuagugaggccucaggaucugc
uuagaucagagcggagaauuuggacaaacuuggucauuuagaggaacuaa
aagucguaacaagguuuccguaggugaaccugcggaaggaucauu
...<<<<<.{.((((>>>>><<<<.<<<<<<...<.<...<......<<<
.<<<..<<....<<....<<..........>>...>>.>>......<<..
......<<<..<<..<<....<<<..........<.....<<.<<<....
.>>>.>>......>.........<<<<<..<<....>>..>>>>><...<
<<<<<......(((.{((.........................>>>>>>.
....>...<<<<..<<<.....>>>.>>>>....>>>...>>>>..>>>.
<<<....<<<....<<<<<<<<.......>>>>>>>>>>>......>>>.
..<<<.<<<<....>>>>....>>>.>>.<<.<<<..........>>>.>
>.<.<<....>>.>...>>>>>>.........<<<....<<<.....>>>
..>>>..>....>.>.....<<<<<<<...<<......>>...>>>>.>>
>......<<..<...........>..>>.........<<<<<((......
<<<<.....<<..))>>.......>>>>.>>>>>..>>>>>>>>>>....
.....<<<[[.....<.<<...<<<.<<....<<<<<<.<<<<<......
....>..>>>>.>>>>>>.....<<<<<....................>>
>>>....<<<<<.<<.......<<...<.......>..<<<.....>>>.
...>>......>>.>>..>>>.........<<<..<<<<<<<<.....))
.}))).>>>>>>>>.>>>.....>>....<<<<<<.<<...<<<<..<<.
.<<<<<<.<...<<<......>>>......>.>>>>>>..>>.......<
<....>>...>>>>...>>>>>.>>>...>>>...>>.>....<<<<<<<
...<...<<<<.<.....>.>>>>...>>>>>>>>..........<<<.<
<.<<<..<<<<<<<<.<<<........>>>>>>>>>>>..>>>...<<..
]]>>...>>.....>>>.>>>.<<<......<<<<....>>>>....>>>
..)))).}<<<<<.<<<<<<<..<<.<<<<<<..<<<.<<<<<<......
<<........>>..........<<<<<.<....<<<<<........<<.<
<<........>>>.>>......>>>>>...<<.<<<..<<.<<<<<<...
.<<<.<<<<<....>>>...<<<......>>>...>>.>>>....<<<<<
.<<..<<<<..<<<<<.<<<<<<....>>>>>>...>>>>>..>>>>.>>
....<<<<<<.....>>>>>>.......>>>>>....>>>.>>>.....>
>>>>>>.....>.>>>>>...>>.>>>>.>>>.....<<<<<<<......
<<.....<<..<<<<....>>>>..>>....>>.......>>>>>>>...
...<....<<<<<<..........>>>>>>....>.....>>>>>>....
<<<<<<<<.......>>>>>>>>......>>...>>>>>>>>>>.>>...
.<..<<.<..<<<<.<<....<<<<<<<<.<<<..<.<<..<...<<<<<
<<.<..>.>>>>>>>...>..>>.>..>>>.>>>>>>>>...>>.>>>>.
..>.>>...>.....<<<<<<<<<<..>>>>>>>>>>........
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB8cah Molecular basis for recognition and deubiquitination of 40S ribosomes by Otu2.
Resolution3.0 Å
Binding residue
(original residue number in PDB)		Y58 R62
Binding residue
(residue number reindexed from 1)		Y58 R62
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0003735 structural constituent of ribosome
Biological Process
GO:0000447 endonucleolytic cleavage in ITS1 to separate SSU-rRNA from 5.8S rRNA and LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)
GO:0000461 endonucleolytic cleavage to generate mature 3'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA)
GO:0006364 rRNA processing
GO:0006412 translation
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0005840 ribosome
GO:0022627 cytosolic small ribosomal subunit
GO:1990904 ribonucleoprotein complex

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:8cah, PDBe:8cah, PDBj:8cah
PDBsum8cah
PubMed37169754
UniProtP0C0V8|RS21A_YEAST Small ribosomal subunit protein eS21A (Gene Name=RPS21A)

[Back to BioLiP]