Home  >  Products  >  Calpain 1 (Calcium-activated neutral protease, Calcium-activated neutral proteinase 1, Calpain 1 large subunit, CANP, CANP I, CANP1, Capa-1, Capa1, Capn1,mu-Calpain, muCANP, muCL, u-Calpain)
Calpain 1 (Calcium-activated neutral protease, Calcium-activated neutral proteinase 1, Calpain 1 large subunit, CANP, CANP I, CANP1, Capa-1, Capa1, Capn1,mu-Calpain, muCANP, muCL, u-Calpain)

Calpain 1 (Calcium-activated neutral protease, Calcium-activated neutral proteinase 1, Calpain 1 large subunit, CANP, CANP I, CANP1, Capa-1, Capa1, Capn1,mu-Calpain, muCANP, muCL, u-Calpain)

Cat no: C1035-27R

Supplier: United States Biological
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The calpain (calcium-dependent protease or calcium-activated neutral protease) system consists of two ubiquitous forms of calpain (Mu Calpain and M Calpain), a tissue specific calpain (N Calpain), and a calpain inhibitory protein (calpastatin). The calpain system has been detected in every vertebrate tissue examined, and has been suggested to play a regulatory role in cellular protein metabolism. This regulatory role may have important implications in platelet aggregation and pathologies associated with altered calcium homeostasis and protein metabolism such as ischemic cell injury and degenerative diseases. Inhibitors of calpain have been shown to block dexamethasone and low-level irradiation induced apoptosis in thymocytes suggesting that calpain has a regulatory or mechanistic role in apoptotic cell death.Mu and M Calpains are heterodimers consisting of 28kD and 80kD subunits. The 28kD subunit is identical in the two isoforms, but the 80kD subunits differ with ~50% sequence similarity. 28kD / 80kD complexes are thought to be inactive proenzymes which, upon binding of calcium, undergo conformational changes that promotes cleavage of the 28kD subunit and results in enzyme activation. Applications: Suitable for use in Western Blot and Immunocytochemistry. Other applications not tested. Recommended Dilution: Optimal dilutions to be determined by the researcher. Storage and Stability: May be stored at 4 degrees C for short-term only. For long-term storage and to avoid repeated freezing and thawing, aliquot Store at -20 degrees C. Aliquots are stable for at least 12 months at -20 degrees 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.
Catalogue number: C1035-27R
Reactivities: Human, Rat, Porcine
Hosts: Mouse
Applications: Immunocytochemistry, Western Blot
Size: 100ul
Form: Supplied as a liquid containing 0.05% sodium azide
P type: Mab
Isotype: IgG1
Purity: Purified ascites
Alternative names: Calcium-activated neutral protease, Calcium-activated neutral proteinase 1, Calpain 1 large subunit, CANP, CANP I, CANP1, Capa-1, Capa1, Capn1, mu-Calpain, muCANP, muCL, u-Calpain
References: This product has been used in:Boehm ML et al. Changes in the calpains and calpastatin during postmortem storage of bovine muscle. J Anim Sci 76:2415-34 (1998). Cong J et al. Effect of monoclonal antibodies specific for the 28-kDa subunit on catalytic properties of the calpains. J Biol Chem 268:25740-7 (1993). Lane RD et al. A comparison of the intracellular distribution of mu-calpain, m-calpain, and calpastatin in proliferating human A431 cells. Exp Cell Res 203:5-16 (1992).
Additional info: Species Crossreactivity: Crossreacts with Human, Rat, bovine and porcine. Not yet tested in other species.

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