SQ 32056 is a cathepsin E inhibitor. SQ 32056 can block the pressor response to endothelin[1].
References
[1] Bird JE, et, al. The effects of novel cathepsin E inhibitors on the big endothelin pressor response in conscious rats. Biochem Biophys Res Commun. 1992 Jan 15;182(1):224-31. DOI:10.1016/s0006-291x(05)80134-2
