Brain natriuretic peptide 32 (BNP-32) act as a cardiac hormone with a variety of biological actions including natriuresis, diuresis, vasorelaxation, and inhibition of renin and aldosterone secretion. BNP-32 is used to treat heart failure (Nesiritide, Scios).Human: H-Ser-Pro-Lys-Met-Val-Gln-Gly-Ser-Gly-Cys-Phe-Gly-Arg-Lys-Met-Asp-Arg-Ile-Ser-Ser-Ser-Ser-Gly-Leu-Gly-Cys-Lys-Val-Leu-Arg-Arg-His-OH (Cys10-Cys26) or H-SPKMVQGSGCFGRKMDRISSSSGLGCKVLRRH-OH (Cys10-Cys26)