DSM Pentapharm offers PRIONEX® The BSA Alternative, Aprotinin, Pefabloc® SC and other protease inhibitors, Pefachrome® and Pefafluor® peptide substrates, snake venom proteins including Ecarin, Batroxobin, Convulxin and RVV Factor X Activator and the Pefakit® and PefaClot® line of test kits.