Dnp-PLGMWSR is a fluorogenic substrate for matrix metalloproteinase-2 (MMP-2) and MMP-9.1 The activity of MMP-2 and MMP-9 can be quantified by measuring tryptophan fluorescence that is unquenched upon peptide hydrolysis that removes the N-terminal dinitrophenol (Dnp) group.WARNING This product is not for human or veterinary use.