Toxin. Induces vasodilation in mice and rabbits. Expressed by the venom gland. Occurs in two forms. In form 1384.7 Da venom vasodilator peptide Lys-2 is methylated. In form 1370.6 Da venom vasodilator peptide Lys-2 is not methylated. Form 1370.6 Da venom vasodilator peptide. Form 1384.7 Da venom vasodilator peptide.