This protein lyses red blood cells and has cardiotoxic and hypotensive activities. Expressed by the venom gland. LD(50) is 2.5 mg/kg by intravenous injection into mice. Is classified as a P-type cytotoxin, since a proline residue stands at position 31 (Pro-31 in standard classification). Belongs to the snake three-finger toxin family. Short-chain subfamily. Type IB cytotoxin sub-subfamily.