Snake venom zinc metalloprotease that induces apoptosis in vascular endothelial cells (VEC), without degrading the extracellular matrix (it cannot cleave collagen) or inhibiting adhesion of VEC. Has also fibrinogenolytic and hemorrhagic activities (By similarity). Binds 1 zinc ion per subunit. Monomer. Expressed by the venom gland. Belongs to the venom metalloproteinase (M12B) family. P-III subfamily. P-IIIa sub-subfamily. Lacks a Cys at position 176 preventing the formation of a homodimer.