The specific activity was found to be 6,900 U/mg. Thioredoxin Reductase (NADPH), NTR, TrxR. Matrilysin, EC 3.4.24.23, Pump-1 protease, Uterine metalloproteinase, Matrix metalloproteinase-7, MMP-7, Matrin, MPSL1, PUMP-1, MMP7.Matrix Metalloproteinase Matrix Metalloproteinase-7 Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing having a molecular mass of 19.13 kDa. The MMP-7 is purified by proprietary chromatographic techniques. The protein contains the following additives 10mM HEPES (pH 7.4), 5mM CaCl2 and 150mM NaCl.The specific activity was found to be 6,900 U/mg.;