The best information about angiotensin receptors are in pharmacology books, Angiotensin Receptors: Juan M. Saavedra, Pieter B. M. W. M. Timmermans
ISBN: 978-1-4613-6049-0 (Print) 978-1-4615-2464-9 (Online) You can to see on Springer or more recently Angiotensin II Receptor Blockade Physiological and Clinical Implications by Naranjan S. Dhalla,Peter Zahradka,Ian.