计算溶液所需的质量、体积或浓度。
ActiBioPure™,EnzymoPure™,生物活性,重组,高性能 级 提供 ≥90%(SDS-PAGE) 纯度,适用于对基线干扰要求严格的色谱和分析工作流程。
避光,-20°C储存,干燥,避免反复冻融。超低温运输 。请查阅批次 COA 获取详细规格。
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在色谱分析、有机合成和交叉偶联反应领域已被 0 篇同行评审文献引用。
A flavoprotein. The enzyme catalyses a two-electron reduction and has a preference for short-chain acceptor quinones, such as ubiquinone, benzoquinone, juglone and duroquinone. The animal, but not the plant, form of the enzyme is inhibited by dicoumarol.
Reaction

Product description
| Appearance: | Yellowish amorphous powder |
| Source: | Microorganism |
| Enzyme Commission Number: | EC 1.6.5.2 |
| CAS Number: | 9032-20-6 |
| Storage temperature: | -20℃ |
| Activity: | ≥20U/mg enzyme powder; ≥35U/mg protein |
| Unit definition: | One unit will convert one micromole of NADH to NAD⁺ per min at pH 8.0 at 37℃. |
Properties
| Stability: | Stable at -20℃ for at least two years | |
| Molecular weight: | 24KD | |
| Isoelectric point: | 6.0 | |
| Michaelis constant: | 2.6×10⁻³M (NADH) | |
| Optimum pH: | 8.0-11.0 | {Fig. 1} |
| Optimum temperature: | 40℃-65℃ | {Fig. 3} |
| pH Stability: | 7.0-10.0 (25℃, 24hr) | {Fig. 2} |
| Thermal stability: | < 50℃ (pH 8.0, 30min) | {Fig. 4} |
| Inhibitors: | Co²⁺, Cu²⁺, Fe³⁺, Mn²⁺, Ni²⁺, Zn²⁺, NEM, SDS | |
| Effect of various chemicals: | {Table 1} |
Table 1. Effect of Various Chemicals on DIA
[The enzyme dissolved in 100mM Tris-HCl buffer, pH8.0 + 0.1%BSA(5U/ml) was incubated with each chemical at 37℃ for 2hr.]

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| 批号(Lot Number) | 证书类型 | 货号 |
|---|---|---|
| 分析证书 | D776907 | |
| 分析证书 | D776907 |
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