Collated Gene Ontology terms

Biological process: structural constituent of ribosome(2001, 2015, 2016, 2025) RNA binding(2014, 2025) rRNA binding(2025) mRNA binding(2020)

Molecular function: translation2001, 2025 mitochondrial translation2015, 2016, 2024, 2025 ribosomal small subunit assembly2016 cytoplasmic translation2024

Cellular component: ribosome2025 ribonucleoprotein complex2025 mitochondrial small ribosomal subunit2001, 2006, 2015, 2016, 2017, 2018, 2025 mitochondrion2009, 2018, 2024, 2025 mitochondrial inner membrane2005, 2014, 2024, 2025 chloroplast2018, 2020, 2025 cytosol2014, 2019 cytosolic small ribosomal subunit2016 cytoplasm2024 chloroplast thylakoid2021
chloroplast stroma2021

Phylogenetic distribution

Chordates: 18/21 
Echinoderms: 0/0 
Hemichordates: 1/1 
Annelids: 1/1 
Molluscs: 0/0 
Bryozoans: 0/0 
Platyhelminthes: 0/0 
Rotifers: 0/0 
Nematodes: 3/3 
Arthropods: 5/5 
Tardigrades: 0/0 
Placozoa: 1/1 
Cnidaria: 1/1 
Porifera: 0/0 
Choanoflagellates+: 0/1 
Dikarya: 0/14 
Fungi (other): 0/1 
Protozoa: 0/3 
Excavates: 0/4 
Harosa: 1/4 
Hacrobia: 0/0 
Plants: 38/39 
Archea: 0/8 
Bacteria: 23/35 

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
Q9LI88_ARATH
TAIR»
0.8
GHS1 Ribosomal protein S21 family protein Arabidopsis thaliana
TI:3702 None
 
Q9FMJ3_ARATH
TAIR»
0.0
MDC12.27 At5g63300 (Ribosomal protein S21 family protein) Arabidopsis thaliana
TI:3702 None
 
A0A8V1ALD7_CHICK
Ensembl»
0.0
MRPS21 Mitochondrial ribosomal protein S21 Gallus gallus
TI:9031 None
   
RT21_HUMAN
Ensembl»
3.3
MRPS21 Small ribosomal subunit protein bS21m (28S
ribosomal protein S21, mitochondrial) (MRP-S21) (S21mt)		 Homo sapiens
TI:9606 None
 
B2RYT0_RAT
RGD»
0.0
Mrps21 Mitochondrial ribosomal protein S21 Rattus norvegicus
TI:10116 None
   
RT21_MOUSE
Ensembl»
1.6
Mrps21 Small ribosomal subunit protein bS21m (28S
ribosomal protein S21, mitochondrial) (MRP-S21) (S21mt)		 Mus musculus
TI:10090 None
 
Q8I0J3_DROME
FlyBase»
1.8
mRpS21 Mitochondrial ribosomal protein S21, isoform A
(Mitochondrial ribosomal protein S21, isoform B) (RE23482p)		 Drosophila melanogaster
TI:7227 None
 
Q9GYI2_CAEEL
WormBase»
1.0
mrps-21 Mitochondrial Ribosomal Protein, Small Caenorhabditis elegans
TI:6239 None
 
F1QKS9_DANRE
ZFIN»
0.0
mrps21 28S ribosomal protein S21, mitochondrial
(EC 3.6.5.3) (Mitochondrial ribosomal protein S21)		 Danio rerio
TI:7955 None
 
RS21_ECOLI
EnsemblBacteria»
2.2
rpsU Small ribosomal subunit protein
bS21 (30S ribosomal protein S21)		 Escherichia coli
TI:562 None