Exhibits vasodilator, natriuretic and diuretic properties in animal models and human tissues. Acts by stimulating cGMP via the natriuretic peptide receptor A (NPR1). Is a poor agonist of the atrial natriuretic peptide receptor B (NPR2). Is not degraded by neutral endopeptidase (NEP/MME). Binds to atrial natriuretic peptide clearance receptor (NPR-C/NPR3), which may be responsible of the removal of DNP from the circulation. Increases calcium uptake and induces histamine release from rat peritoneal mast cells. Increases calcium-activated potassium (KCa) current in gastric antral circular smooth muscle cells by increasing cGMP production and activating inositol trisphosphate receptors (IP3Rs). Expressed by the venom gland. Belongs to the natriuretic peptide family.