(S, R, R)-VBY-825 is the isomer of VBY-825 , and can be used as an experimental control. VBY-825 is a novel reversible inhibitor of cathepsin with high inhibition of cathepsin B, L, S and V.
References:
[1]. Elie BT, et al. Identification and pre-clinical testing of a reversible cathepsin protease inhibitor reveals anti-tumor efficacy in a pancreatic cancer model. Biochimie. 2010 Nov;92(11):1618-24.
















