This protein shows a synergetic toxic effect in that it enhances the toxicity of other toxins. Heterodimer of C9S3 chain 1 and chain 2 (AC P01409); disulfide-linked. Expressed by the venom gland. Is classified as a P-type cytotoxin, since a proline residue stands at position 33 (Pro-31 in standard classification). Belongs to the snake three-finger toxin family. Short-chain subfamily. Aminergic toxin sub-subfamily.