Description
Description
MW = 18.6 kDa calculated. Recombinant Matrix Metalloproteinase-13 (MMP-13, Collagenase-3, Col3) cloned from human cDNA, expressed in E. coli. The enzyme consists of the catalytic domain of human MMP-13 (residues 104-268, UniProtKB accession P45452). This product is derived from MMP-13 catalytic domain and contains also the mutation F175D to increase its stability.
Sequence
110 120 130 140 150
YNVFPRT LKWSKMNLTY RIVNYTPDMT HSEVEKAFKK AFKVWSDVTP
160 170 180 190 200
LNFTRLHDGI ADIMISFGIK EHGDDYPFDG PSGLLAHAFP PGPNYGGDAH
210 220 230 240 250
FDDDETWTSS SKGYNLFLVA AHEFGHSLGL DHSKDPGALM FPIYTYTGKS
260
HFMLPDDDVQ GIQSLYGP
Available mutants
F171D, E223A – inactive mutant with improved stability – CAT # G04MP13Ci
Purity
> 95% by SDS-PAGE. The protein is observed, in denaturing conditions, as a single band migrating at a molecular weight of about 18.4 kDa.
Supplied as
0.2 mg/mL solution in Tris 20 mM pH 7.2, CaCl2 10 mM, ZnCl2 0.1 mM, NaCl 0.3 M, acetohydroxamic acid (AHA) 0.5 M. The concentration is calculated by the analysis of the absorbance at 280 nm (ε280 = 29910 M-1cm-1 calculated).
Specific activity
> 100 U/μg. Activity described as U=100 pmol/min at 25°C using a colorimetric ***** with thiopeptide Ac-Pro-Leu-Gly-[2-mercapto-4-methyl-pentanoyl]-Leu-Gly-OC2H5 (Biomol) as substrate.
Storage
-80°C. After initial defrost, aliquot the product into individual tubes and refreeze at -80°C.
Avoid repeated freeze/thaw cycles.
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