Athens Research & Technology;16-05-030112;Calpain-1, Human Erythrocyte

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Athens Research & Technology 公司位于美国乔治亚州雅典市,从1986年以来一直致力于纯化高纯度,高活性的人类蛋白质和开发这些蛋白的多克隆抗血清。我们的常规产品包括丝氨酸蛋白酶、蛋白酶抑制剂、中性粒细胞酶、载脂蛋白、脂蛋白,血小板蛋白、转铁蛋白、免疫球蛋白等。二十年多年来,世界各地的研究人员都在使用我们公司的产品。在炎症、冠状动脉疾病、自身免疫性疾病、癌症、老年痴呆症等等研究的主要科学出版物中都能看到引用我们公司的产品。
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MW: 110,000 Daltons
Catalytic Subunit = 80,000 Daltons
Regulatory Subunit = 30,000 Daltons

Frozen in 20 mM imidazole, 5mM β-mercaptoethanol, 1 mM EDTA, 1mM EGTA, 30% glycerol, pH 6.8

Storage: -70°C or lower

Buy Native Human Calpain-1 (u-Calpain)CAPN1, Human Erythrocyte direct from the manufacturer. Same day shipping. Bulk qty. available.

Calpain-1 (μ-Calpain) is a calcium activated neutral cysteine protease. It is a heterodimer of a Catalytic 80 kDa subunit and a 30 kDa subunit, which requires 50 μM Ca2+ for half-maximal activity in vitro. Its participation in events such as cell division, signal transduction, and long term potentiation has been suggested. Calpains have also been proposed to play a role in various pathological processes associated with altered metabolism and altered calcium homeostasis.

Ref: Vilei, E.E. et al. 1997. Journal of Biological Chemistry. 272. 41

Activity: Greater than or equal to 1,000 units per mg protein.

One unit is defined as the amount of enzyme that will hydrolyze one ρmol Suc-LLVY-AMC per minute at 25°C using the Calpain Activity Assay Kit, Fluorogenic (EMD Cat. No. QIA120)

Purity: Greater than or equal to 95% by SDS-PAGE.

Prepared from whole blood shown to be non-reactive for HBsAg, anti-HCV, anti-HBc, and negative for anti-HIV 1 & 2 by FDA approved tests.

Athens Research & Technology products are laboratory reagents and are not to be administered to humans or used for any drug purpose. For research or further manufacturing use only.