Cayman Chemical Ac-QPKK Ac-AMC 1mg
A fluorogenic substrate for SIRT1, SIRT2, and SIRT3; AMC is released upon enzymatic cleavage by SIRT1, SIRT2, or SIRT3 and its fluorescence can be used to quantify SIRT1, SIRT2, and SIRT3 activity; ex/em = 340-360/440-460 nm, respectively