TIMP-2 is an extracellular inhibitor of MMPs including MMP1, 2, 3, 7, 8, 9, 10, 12, 13, 14, 15, 16 and 19. It belongs to the I35 (TIMP) family of irreversible protease inhibitors that function as key modulators of extracellular matrix degradation during tissue development and remodeling. TIMP-2 can also act through an MMP-independent mechanism inhibiting endothelial cell proliferation in vitro and demonstrates anti-angiogenic activities in vivo. Recombinant human TIMP-2 is a 21.8kD protein containing 194aa.
Source
Recombinant protein corresponding to human TIMP-2, expressed in E. coli.
Biological Activity
TIMP-2 activity was measured by its ability to inhibit human MMP-1 induced hydrolysis of a chromogenic peptide substrate at room temperature. Half maximal inhibition was obtained at a TIMP-2 concentration of approximately 0.5ug/ml, when using an MMP-1 concentration of 1.6ug/ml.
Endotoxin
<0.1ng/ug (1EU/ug)
AA Sequence
MCSCSPVHPQ QAFCNADVVI RAKAVSEKEV DSGNDIYGNP IKRIQYEIKQ IKMFKGPEKD IEFIYTAPSS AVCGVSLDVG GKKEYLIAGK AEGDGKMHIT LCDFIVPWDT LSTTQKKSLN HRYQMGCECK ITRCPMIPCY ISSPDECLWM DWVTEKNING HQAKFFACIK RSDGSCAWYR GAAPPKQEFL DIEDP
Storage and Stability
May be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Source
Recombinant, E. coli
Purity
~95% (SDS-PAGE and HPLC)
Form
Supplied as a lyophilized powder.
Important Note
This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
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