matrix metalloproteinase 12 mmp-12, macrophage elastase enzyme. mmps are proteases involved in the breakdown of extracellular.

matrix metalloproteinase 12 mmp12 macrophage elastase enzyme mmps are proteases involved breakdown extracellular pdb3ba0 mmp proteolytic ecm zinc calcium matrixin endopeptidase protease metalloelastase structure peptide protein amino acid molecule polypeptide polymer atoms science scientific disease health molecular model 3d rendering illustration based data bank entry 3ba0 cartoon representation secondary coloring green sheets red helices