Neutrophil collagenase (EC 3.4.24.34, matrix metalloproteinase 8, PMNL collagenase, MMP-8) is an enzyme. This enzyme catalyses the following chemical reaction Neutrophil collagenase (EC 3.4.24.34, matrix metalloproteinase 8, PMNL collagenase, MMP-8) is an enzyme. This enzyme catalyses the following chemical reaction