3.4.21.20	cathepsin G	Cl-66 cell	mammary tumor cell	
3.4.21.20	cathepsin G	Cl-66 cell	murine breast adenocarcinoma cell line	
3.4.24.B4	matrix metalloproteinase-13	Cl-66 cell	mammary tumor-derived cell line	
3.4.24.35	gelatinase B	Cl-66 cell	-