Question

What converts Angiotensinogen into Angiotensin-1?

Answer 1

Hint: Peptide hormones and protein hormones are hormones with peptide or protein molecules in their molecules. The latter's amino acid chains are longer than the former's. The endocrine system of animals, including humans, is affected by these hormones.

Complete answer:
Angiotensin is a peptide hormone that causes blood vessels to constrict and blood pressure to rise. It's a part of the blood pressure-controlling renin-angiotensin system. Angiotensin also promotes sodium retention by the kidneys by stimulating the release of aldosterone from the adrenal cortex.
Angiotensin is a hormone and a dipsogen, and it is an oligopeptide. It is derived from the angiotensinogen precursor molecule, a serum globulin produced in the liver. Angiotensin was discovered in the late 1930s (under the names 'angiotonin' and 'hypertension’) and characterized and synthesized by researchers at the Cleveland Clinic and Ciba.
Renin substrate is another name for angiotensinogen. Renin cleaves it at its N-terminus to produce angiotensin I, which is then modified to become angiotensin II. Renin cleaves 10 N-terminal amino acids from this peptide, which is 485 amino acids long. For activity, the first 12 amino acids are the most important.
Angiotensinogen is converted to angiotensin-1 by the enzyme renin. The angiotensin-converting enzyme (ACE), which is found in the lungs, then converts angiotensin-1 to angiotensin-2. Angiotensin-2 causes blood vessels to constrict, which raises blood pressure due to the narrowing of blood vessels. Renin is released into the circulation when the volume of blood is low.

Thus, renin converts Angiotensinogen Into Angiotensin-1.

Note:
Angiotensin I is converted to angiotensin II (AII) by the enzyme angiotensin-converting enzyme (ACE), which removes two C-terminal residues. ACE is primarily found in the lungs (but also present in endothelial cells, kidney epithelial cells, and the brain). Angiotensin II increases vasopressin production by acting on the central nervous system, as well as venous and arterial smooth muscle.