Collated Gene Ontology terms

Biological process: U3 snoRNA binding(2009, 2019, 2025) snoRNA binding(2017, 2025) RNA binding(2014, 2016, 2025) metal ion binding(2025) peroxidase activity(2025) zinc ion binding(2025) transferase activity(2025) peptidase activity(2025) oxidoreductase activity(2025) myosin heavy chain kinase activity(2025)
microtubule plus-end binding2018 metallopeptidase activity2025 metalloendopeptidase activity2025 lactoperoxidase activity2025 hydrolase activity2025 heme binding2025 dynein complex binding2022

Molecular function: rRNA processing2005, 2015, 2019, 2025 ribosomal small subunit biogenesis2023, 2025 endonucleolytic cleavage to generate mature 5'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA)2019, 2025 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)2019, 2025 endonucleolytic cleavage in 5'-ETS of tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)2019, 2025 maturation of SSU-rRNA2005, 2025 vesicle transport along microtubule2017 snoRNA guided rRNA 2'-O-methylation2024 ribosome biogenesis2025 response to oxidative stress2025
rRNA 2'-O-methylation2024 proteolysis2025 nuclear migration2025 microtubule organizing center organization2020 hydrogen peroxide catabolic process2025 establishment of mitotic spindle orientation2017 embryo sac development2010 embryo development ending in seed dormancy2010 cellular response to xenobiotic stimulus2014 cellular oxidant detoxification2025 acceptance of pollen2010

Cellular component: small-subunit processome2013, 2014, 2023, 2025 nucleolus2009, 2010, 2016, 2019, 2021, 2025 nucleus2009, 2017, 2018, 2025 ribonucleoprotein complex2025 box C/D methylation guide snoRNP complex2013, 2015, 2016, 2025 nucleoplasm2015 axoneme2017, 2025 Cul4-RING E3 ubiquitin ligase complex2008 plant-type cell wall2025 nuclear envelope2021
microtubule associated complex2020 kinetochore2021 cytoplasmic microtubule2018 cytoplasm2025 90S preribosome2018

Phylogenetic distribution

Chordates: 21/21 
Echinoderms: 0/0 
Hemichordates: 1/1 
Annelids: 1/1 
Molluscs: 0/0 
Bryozoans: 0/0 
Platyhelminthes: 0/0 
Rotifers: 0/0 
Nematodes: 2/3 
Arthropods: 5/5 
Tardigrades: 0/0 
Placozoa: 1/1 
Cnidaria: 1/1 
Porifera: 0/0 
Choanoflagellates+: 15/1 
Dikarya: 0/14 
Fungi (other): 0/1 
Protozoa: 3/3 
Excavates: 4/4 
Harosa: 4/4 
Hacrobia: 0/0 
Plants: 38/39 
Archea: 0/8 
Bacteria: 0/35 

Find a cluster

Protein ID:
UniProt ID, accession, gene name or model org. database name
Cluster ID:
e.g. "UKP00123" or "123"

Download

Protein sequences (FASTA format)

Knownness history

2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 0 2 4 6 8 10 Knownness

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Proteins

UniProt ID
Organism DB»		 Standard knownness clustom knownness Gene name Description Species  [Show all] GO terms Seq. links Protein domain links
YAOL_ARATH
TAIR»
1.0
EMB2271 U3 snoRNP-associated protein-like EMB2271 (Protein
EMBRYO DEFECTIVE 2271) (Protein YAO-like)		 Arabidopsis thaliana
TI:3702 None
 
YAO_ARATH
TAIR»
2.9
YAO U3 snoRNP-associated protein-like YAO Arabidopsis thaliana
TI:3702 None
 
A9D0C6_CAEEL
WormBase»
0.5
CELE_T02H6.1 T02H6.1 WD_REPEATS_REGION domain-containing protein Caenorhabditis elegans
TI:6239 None
 
Q9XWF9_CAEEL
WormBase»
0.5
CELE_Y54E5B.2 Y54E5B.2 WD_REPEATS_REGION domain-containing protein Caenorhabditis elegans
TI:6239 None
 
A0A2R8RL46_DANRE
ZFIN»
0.5
rrp9 U3 small nucleolar RNA-interacting protein 2 (RRP9
homolog) (U3 small nucleolar ribonucleoprotein-associated 55 kDa protein)		 Danio rerio
TI:7955 None
 
Q54BV0_DICDI
dictyBase»
0.5
DDB_G0293412 Uncharacterized protein Dictyostelium discoideum
TI:44689 None
 
Q8MSW9_DROME
FlyBase»
3.0
U3-55K LD17611p (U3 small
nuclear riboprotein factor 55K)		 Drosophila melanogaster
TI:7227 None
 
A0A8V1AIT4_CHICK
Ensembl»
0.5
RRP9 U3 small nucleolar RNA-interacting protein 2 (RRP9
homolog) (U3 small nucleolar ribonucleoprotein-associated 55 kDa protein)		 Gallus gallus
TI:9031 None
   
U3IP2_HUMAN
Ensembl»
5.0
RRP9 U3 small nucleolar RNA-interacting protein 2 (RRP9 homolog) (U3 small
nucleolar ribonucleoprotein-associated 55 kDa protein) (U3 snoRNP-associated 55 kDa protein) (U3-55K)		 Homo sapiens
TI:9606 None
 
U3IP2_MOUSE
Ensembl»
3.5
Rrp9 U3 small nucleolar RNA-interacting protein 2 (RRP9 homolog) (U3 small
nucleolar ribonucleoprotein-associated 55 kDa protein) (U3 snoRNP-associated 55 kDa protein) (U3-55K)		 Mus musculus
TI:10090 None
 
B0BND5_RAT
RGD»
2.0
Rrp9 U3 small nucleolar RNA-interacting protein 2 (RRP9
homolog) (U3 small nucleolar ribonucleoprotein-associated 55 kDa protein)		 Rattus norvegicus
TI:10116 None
   
RRP9_YEAST
SGD»
4.3
RRP9 Ribosomal RNA-processing protein 9 Saccharomyces cerevisiae
TI:4932 None
 
YKU5_SCHPO
PomBase»
1.0
SPAC2E1P5.05 Uncharacterized WD
repeat-containing protein C2E1P5.05		 Schizosaccharomyces pombe
TI:4896 None