Ang (1-7) is a modulator of the vasoconstrictor actions of Ang I and Ang II

Conclusion:
Ang (1–7) showed a modulatory role, suggesting Ang I did as well after treatment with an ACE inhibitor but not with an AT1 receptor antagonist.

Source: Journal of the Renin-Angiotensin-Aldosterone System : JRAAS - June 12, 2015 Category: Biomedical Science Authors: Flores-Monroy, J., Valencia-Hernandez, I., Martinez-Aguilar, L. Tags: Original Articles Source Type: research