|Other Names||Cystatin-B, CPI-B, Liver thiol proteinase inhibitor, Stefin-B, CSTB, CST6, STFB|
|Format||Synthetic peptide was lyophilized with 100% acetonitrile and is supplied as a powder. Reconstitute with 0.1 ml DI water for a final concentration of 1 mg/ml.|
|Storage||Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C.|
|Precautions||This product is for research use only. Not for use in diagnostic or therapeutic procedures.|
|Function||This is an intracellular thiol proteinase inhibitor. Tightly binding reversible inhibitor of cathepsins L, H and B.|
|Cellular Location||Cytoplasm. Nucleus|
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Provided below are standard protocols that you may find useful for product applications.
The cystatin superfamily encompasses proteins that containmultiple cystatin-like sequences. Some of the members are activecysteine protease inhibitors, while others have lost or perhapsnever acquired this inhibitory activity. There are three inhibitoryfamilies in the superfamily, including the type 1 cystatins(stefins), type 2 cystatins and kininogens. This gene encodes astefin that functions as an intracellular thiol protease inhibitor.The protein is able to form a dimer stabilized by noncovalentforces, inhibiting papain and cathepsins l, h and b. The protein isthought to play a role in protecting against the proteases leakingfrom lysosomes. Evidence indicates that mutations in this gene areresponsible for the primary defects in patients with progressivemyoclonic epilepsy (EPM1).
Bailey, S.D., et al. Diabetes Care 33(10):2250-2253(2010)Ceru, S., et al. J. Biol. Chem. 285(13):10078-10086(2010)Skerget, K., et al. J. Biol. Chem. 285(5):3201-3210(2010)Ceru, S., et al. Biol. Cell 102(6):319-334(2010)Talmud, P.J., et al. Am. J. Hum. Genet. 85(5):628-642(2009)
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