推薦產品
形狀
suspension
品質
crystalline suspension in 3.8 M ammonium sulfate solution
比活性
~350 U/mg protein (10-40 mg/ml)
分子量
Mr ~230000
pH值
~6
異物活動
lactate dehydrogenase ≤0.01%
儲存溫度
2-8°C
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生化／生理作用
分子量：237 kDa，以分子量为 57 kDa 的四个等亚基的四聚体形式存在。
等电点：7.6
最佳 pH：~7.5
最佳温度：25°C
εA 280= 0.541 mg (p)/ml，1 cm 路径
在 pH 7.4 和 30°C 的 Tris 缓冲液中，报告的 K M 值为 ATP (0.86 mM)、丙酮酸盐 (10 mM)、ADP (0.3 mM) 和 PEP (0.07 mM)。丙酮酸激酶对磷酸烯醇式丙酮酸具有高度特异性，但可利用其他三磷酸二核苷酸作为底物替代 ATP，包括 GTP、ITP、dATP、UTP 和 CTP。
等电点：7.6
最佳 pH：~7.5
最佳温度：25°C
εA 280= 0.541 mg (p)/ml，1 cm 路径
在 pH 7.4 和 30°C 的 Tris 缓冲液中，报告的 K M 值为 ATP (0.86 mM)、丙酮酸盐 (10 mM)、ADP (0.3 mM) 和 PEP (0.07 mM)。丙酮酸激酶对磷酸烯醇式丙酮酸具有高度特异性，但可利用其他三磷酸二核苷酸作为底物替代 ATP，包括 GTP、ITP、dATP、UTP 和 CTP。
Pyruvate kinase catalyzes the conversion of phosphoenolpyruvate to pyruvate, whitch is the rate-limiting final step in glycolysis.
單位定義
1 U corresponds to the amount of enzyme which catalyzes the transphosphorylation of 1 μmol PEP per min at pH 7.4 and 25 °C
儲存類別代碼
11 - Combustible Solids
水污染物質分類（WGK）
WGK 3
閃點（°F）
Not applicable
閃點（°C）
Not applicable
個人防護裝備
Eyeshields, Gloves, type N95 (US)
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