Gene Information
Gene NameUNQ266/PRO303
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 AgeNA
Evolutionary StageNA
AlphaFoldDBQ9Y6M0
Gene CardPRSS21
Uniprot IDQ9Y6M0
PfamPF00089
In ASDno
Allosteric PredictionNA
Ortholog in AnimalsNA
OhnologsNA
ParalogsNA
TissueNA
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
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