competition experiments with 125i-angiotensin ii and unlabeled peptides revealed that the angiotensin antagonist [ sar1 , ala8 ] angiotensin ii ( saralasin ) and the agonist [ des-asp1 ] angiotensin ii ( angiotensin iii ) were more tightly bound than angiotensin ii , whereas angiotensin i and the carboxyl-terminal hexapeptide were less avidly bound .
C0003018
angiotensin
C0003009
angiotensin ii