NOW INCLUDES BOTH COLORIMETRIC AND FLUOROGENIC SUBSTRATES! This kit is a complete assay system for measuring caspase-3 and caspase-3-like activity (DEVDase) in cellular extracts. It is performed in a convenient 96-well format with all reagents necessary for preparing cell extracts, measuring caspase activity and calibrating the assay. PLUS, Caspase-3 enzyme is included! The caspase-3, is useful as a positive control, for testing cellular extracts for endogenous inhibitors, and more.