A heptapeptide formed from ANGIOTENSIN II after the removal of an amino acid at the N-terminal by AMINOPEPTIDASE A. Angiotensin III has the same efficacy as ANGIOTENSIN II in promoting ALDOSTERONE secretion and modifying renal blood flow, but less vasopressor activity (about 40%).

Synonyms: Des-Asp Angiotensin II, Angiotensin III, Angiotensin II, Des-Asp, Des Aspartyl Angiotensin II, Des Asp Angiotensin II, 12687-51-3, Angiotensin II, 1-de-L-aspartic acid-, Des-Aspartyl-Angiotensin II