Dendroaspis natriuretic peptide   Click here for help

GtoPdb Ligand ID: 9070

Abbreviated name: DNP
Compound class: Peptide
Comment: Dendroaspis natriuretic peptide, a snake venom ligand, shares structural similarity to the other known natriuretic peptides, atrial, brain, and C-type natriuretic peptides, in that they all have a 17 amino acid ring structure created by a single disulphide bond [1]. It is natriuretic and diuretic and is a potent activator of cGMP. It causes vasodilation, with beneficial cardiovascular and renal properties in vivo [2].
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Bioactivity Comments
Activates natriuretic peptide receptor A (NPR-A), but is a poor agonist of NPR-B [3]. Not degraded by neutral endopeptidase (NEP, neprilysin).
Selectivity at catalytic receptors
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Target
Sp.
Type
Action
Value
Parameter
Reference
Guanylyl cyclase-A Hs Agonist Agonist 9.7 pKd - 3
pKd 9.7 (Kd 2x10-10 M) [3]
Description: Binding affinity for the iodinated peptide.