Snake venom zinc metalloproteinase that impairs hemostasis in the envenomed animal. Cleavage of 4-Gln-|-His-5, 9-Ser-|-His-10 and 14-Ala-|-Leu-15 of insulin B chain and Pro-|-Phe of angiotensin I. Binds 1 zinc ion per subunit. Expressed by the venom gland. Belongs to the venom metalloproteinase (M12B) family.