Natriuretic peptide TNPc
UniProtKB accession: P83230
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Go to UniProtKB: P83230
UniProtKB description: Snake venom natriuretic peptide that exhibits vasoactive and hypotensive activity (By similarity). Produces a near complete relaxation in pre-contracted aortae by activating the natriuretic peptide receptor 1 (NPR1) (PubMed:15652496). Stimulates cGMP production through the natriuretic peptide receptor 1 (NPR1) with high potencies for the rat NPR1 (EC(50)=100 nM), and very weak potencies over human NPR1 (28% activation at 10 uM) (PubMed:37049825). In vivo, reduces both systolic and diastolic blood pressure with no effect on heart rate, when intravenously injected in conscious rabbits (PubMed:37049825). Also enhances the bradycardia due to cardiac afferent stimulation (Bezold-Jarisch reflex) (PubMed:37049825).
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