Fluorogenic substrate for the peptidylglutamyl-peptide hydrolysing (PGPH) (caspase-like) activity of the 20S proteasome.Excitation: 380nm. Emission: 460nm.Molecular Formula:C35H44N4O9Molecular Weight:664.8 Sequence: Z-Leu-Leu-Glu-7-amido-4-methylcoumarin Solubility:Soluble in DMSO.Storage and Stability:Stable for at least 1 year after receipt when stored at -20°C.