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BNP-32, human
Name
BNP-32, human
Molecular structural formula
Purity
≥95%
CAS Number
124584-08-3
Formula
C143H244N50O42S4
MW
3464.1
Target
Natriuretic Peptide
Sequence
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(Disulfide bridge:Cys10-Cys26)
Sequence Shortening
SPKMVQGSGCFGRKMDRISSSSGLGCKVLRRH (Disulfide bridge: 10-26)
InChIKey
HPNRHPKXQZSDFX-OAQDCNSJSA-N
References
[1].B-type Natriuretic Peptide: A Review of Its Diagnostic, Prognostic, and Therapeutic Monitoring Value in Heart Failure for Primary Care Physicians. J Am Board Fam Prac . 2003 Jul 08 ; 16(4) 327.R. Cardarelli et al. [2].A new natriuretic peptide in porcine brain. Nature . 1988 Mar 03 ; 332 78.T. Sudoh et al. [3].Natriuretic Peptides—Relevance in Cardiovascular Disease. JAMA . 1998 Dec 16 ; 280(23) 1983.B. Cheung et al. [4].Fortnightly Review: Ten years of natriuretic peptide research: a new dawn for their diagnostic and therapeutic use? BMJ . 1994 Jun 18 ; 308 1615.
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B-type (Brain) natriuretic peptide (BNP) is a 32 amino acid hormone initially isolated from the porcine brain, but mainly produced by the heart ventricles. It is released from a prepro-hormone after cleavage of a signal peptide and further processing by a protease with a conserved recognition sequence (RXXR-S). This cleavage generated NT-proBNP (76aa) and the biologically active 32aa BNP-32, which are secreted in blood in equimolar concentrations.

BNP-32 is secreted by cardiomyocytes in response to myocardial stretch and overload resulting from hypervolaemia and increased blood pressure. It is known to oppose the renin-angiotensin-aldosterone system and exert vasodilatory effects. This 32 amino acid peptide contains a 17 amino acid ring structure that is common to all natriuretic peptides.