Gene Information
Gene NamePRSS21
OrganismHomo sapiens (Human)
Gene Length314
Protein NamesTestisin (EC 3.4.21.-) (Eosinophil serine protease 1) (ESP-1) (Serine protease 21)
Target NameNA
Target TypeNA
Gene Age680 ( ENSG00000007038 )
3 ( ENSG00000282838 )
Evolutionary StageEumetazoa
AlphaFoldDBQ9Y6M0
Gene CardPRSS21
Uniprot IDQ9Y6M0
PfamPF00089
In ASDno
Allosteric Predictionno (-0.911260727)
Ortholog in AnimalsAlpaca_ PRSS21 ( ortholog_one2one )
Mouse_ Prss21 ( ortholog_one2one )
Pig_ PRSS21 ( ortholog_one2one )
Rat_ Prss21 ( ortholog_one2one )
OhnologsPRSS36, TMPRSS2, TMPRSS6, TMPRSS11E, TMPRSS4, TMPRSS5, TMPRSS11F
ParalogsTMPRSS15, TMPRSS6, HPN, TMPRSS11E, ST14, TMPRSS3, TMPRSS13, TMPRSS11D, TMPRSS2, PRSS22, TMPRSS11A, TMPRSS7, TMPRSS11B, TMPRSS9, TMPRSS5, TMPRSS11F, PRSS41
Tissuetestis
Tissue SpecificityExpressed predominantly in premeiotic testicular germ cells, mostly late pachytene and diplotene spermatocytes.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB NA 
DBSNP rs2072273 
Subcellular location [CC]Cell membrane {ECO:0000305};
Lipid-anchor, GPI-anchor {ECO:0000305}.
Mouse PG classificationNA
click here to return to the previous page