Ac-RLR-AMC from MedChemExpress

Ac-RLR-AMC (Ac-Arg-Leu-Arg-AMC) is a fluorogenic substrate for the 26S proteasome (Ex/Em: 380/440-460 nm). AMC is released upon cleavage, and its fluorescence can be used to quantify the trypsin-like activity of 26S proteasomes[1]