3.4.21.B10 GK, hK6, KAL-B, kallikrein 6, kallikrein-6, kallikrein-related peptidase, kallikrein-related peptidase 6, KLK6, KRP/hK6, myelencephalonspecific protease, neurosin, protease M, S01.236, serine protease 18, serine protease 9, SP59, tissue kallikrein 6, zyme - 3.4.21.B10 hK6 displays a trypsin-like specificity with strong preference for P1-Arg 3.4.21.B10 hK6 expression from KLK6 gene 3.4.21.B10 KLK6 isoform