Octapeptide effector of the RAS cascade.
Part of the Foundational & therapeutic peptides cluster
Overview
Angiotensin II is an eight-amino-acid peptide central to blood-pressure regulation via the renin–angiotensin system.
Source & context
Biological / chemical source: Renin-angiotensin system
Primary research or clinical context: Hypertension research; clinical vasoconstrictor uses
Cascade biology
Angiotensinogen → angiotensin I → angiotensin II illustrates proteolytic peptide activation — foundational for ACE inhibitor and ARB pharmacology education.
Sequence
One-letter sequence commonly cited for Angiotensin II (educational; isoforms and modifications may differ):
DRVYIHPF
Residues plotted ~100° apart around an α-helix — clustering of one color reveals an amphipathic face.
FAQ about Angiotensin II
What is Angiotensin II?+
Angiotensin II is an eight-amino-acid peptide central to blood-pressure regulation via the renin–angiotensin system.
Is Angiotensin II an approved medicine?+
Angiotensin II is discussed here as a research / educational topic. Hypertension research; clinical vasoconstrictor uses. This is not medical advice.
What is the typical length of Angiotensin II?+
Angiotensin II is commonly described as approximately 8 amino acids (Hormone).