crystal structure of human matrix metalloproteinase mmp9 (gelatinase b)

3d angiogenesis biochemistry biology bone development cancer cell migration chemistry collagenase color complex degradation digital disease embryonic enzyme extracellular matrix gelatinase graphic health helix human isolated learning matrix metalloproteinase medicine metastasis mmp9 model molecule morphogenesis protein proteinase reproduction science secondary shape structure subunit tertiary white background wound healing zinc endopeptidase metalloproteinase