KLK2, KLK3, KLK4, KLK5 and KLK14 are expressed in the prostate and are thought to be responsible for regulating semen liquefaction through hydrolysis of seminogelin.
KLK2, KLK3, KLK4, KLK5 e KLK14 exprésanse na próstata e pénsase que son responsables da regulación da licuefacción do seme por medio da hidrólise da seminoxelina.