Gelatinase A, also known as MMP2 (EC 3.4.24.24, 72-kDa gelatinase, matrix metalloproteinase 2, type IV collagenase, 3/4 collagenase, matrix metalloproteinase 5, 72 kDa gelatinase type A, collagenase IV, collagenase type IV, MMP 2, type IV collagen metalloproteinase, type IV collagenase/gelatinase) is an enzyme. This enzyme catalyses the following chemical reaction Gelatinase A, also known as MMP2 (EC 3.4.24.24, 72-kDa gelatinase, matrix metalloproteinase 2, type IV collagenase, 3/4 collagenase, matrix metalloproteinase 5, 72 kDa gelatinase type A, collagenase IV, collagenase type IV, MMP 2, type IV collagen metalloproteinase, type IV collagenase/gelatinase) is an enzyme. This enzyme catalyses the following chemical reaction This secreted endopeptidase belongs to the peptidase family M10.