Atrial natriuretic peptide-converting enzyme (CORIN)

Serine-type endopeptidase involved in atrial natriuretic peptide hormone (NPPA) processing. Converts through proteolytic cleavage the non-functional propeptide NPPA to the active hormone, thereby regulating blood pressure in heart and boosting natriuresis, diuresis and vasodilation.

Proteolytic cleavage of pro-NPPA also plays a role in female pregnancy by promoting trophoblast invasion and spiral artery remodeling in uterus. Also functions as a regulator of sodium reabsorption in kidney.