[Term] id: PR:000013321 name: testisin def: "A trypsin that is a translation product of the human PRSS21 gene or a 1:1 ortholog thereof." [PRO:DNx] comment: Category=gene. synonym: "ESP1" RELATED Gene-based [] synonym: "ESP-1" EXACT [] synonym: "TEST1" RELATED Gene-based [] synonym: "PRSS21" EXACT PRO-short-label [PRO:DNx] synonym: "tryptase 4" EXACT [] synonym: "UNQ266/PRO303" RELATED Gene-based [] synonym: "serine protease 21" EXACT [] synonym: "eosinophil serine protease 1" EXACT [] is_a: PR:000027795 ! trypsin