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D-3-羟丁酸脱氢酶

时间:2023-07-20  来源:化工号   作者:C31H38ClN5O
密度1.2±0.1 g/cm3
沸点806.8±65.0 °C at 760 mmHg
分子式C31H38ClN5O
分子量532.119
闪点441.7±34.3 °C
精确质量531.276489
LogP5.89
外观性状lyophilized powder
蒸汽压0.0±2.9 mmHg at 25°C
折射率1.663
储存条件

一、贮存

应充氩气密封于0℃以下(粉末)和4℃(悬浮液)保存。

稳定性

Application Suitable for the determination of acetoacetate and D(-)-3-hydroxybutyrate by the method of Williamson, D. H., and Mellanby, J., Methods of Enzymatic Analysis, Bergmeyer, H., ed., 2nd edition, 4, 1836 (1974).

Biochem/physiol Actions In mammalian systems, β-hydroxybutyrate dehydrogenase is localized on the inner mitochondrial membrane and requires phosphatidyl choline for activity. In contrast, the enzyme from Pseudomonas is a soluble cytosolic enzyme that does not require a phospholipid allosteric activator. The enzyme is required for the utilization of ketone bodies as a source of metabolic energy. It catalyzes the oxidation of 3-hydroxybutyrate to acetoacetate, the first step in the conversion of ketone bodies to citric acid, which is then further metabolized via the tricarboxylic acid cycle (Krebs cycle).

Unit Definition One unit will oxidize 1.0 μmole of D-β-hydroxybutyrate to acetoacetate per min at pH 7.8 at 37 °C.

Physical form Lyophilized powder containing sucrose and Tris buffer salts

计算化学

1.疏水参数计算参考值(XlogP):6.1

2.氢键供体数量:3

3.氢键受体数量:4

4.可旋转化学键数量:12

5.互变异构体数量:12

6.拓扑分子极性表面积73

7.重原子数量:38

8.表面电荷:0

9.复杂度:739

10.同位素原子数量:0

11.确定原子立构中心数量:0

12.不确定原子立构中心数量:0

13.确定化学键立构中心数量:0

14.不确定化学键立构中心数量:0

15.共价键单元数量:1

更多

1. 性状:冻干粉末。

2. 密度(g/mL,25℃):未确定

3. 相对蒸汽密度(g/mL,空气=1):未确定

4. 熔点(ºC):未确定

5. 沸点(ºC,常压):未确定

6. 沸点(ºC,5.2kPa):未确定

7. 折射率:未确定

8. 闪点(ºC):未确定

9. 比旋光度(º):未确定

10. 自燃点或引燃温度(ºC):未确定

11. 蒸气压(kPa,20ºC):未确定

12. 饱和蒸气压(kPa,60ºC):未确定

13. 燃烧热(KJ/mol):未确定

14. 临界温度(ºC):未确定

15. 临界压力(KPa):未确定

16. 油水(辛醇/水)分配系数的对数值:未确定

17. 爆炸上限(%,V/V):未确定

18. 爆炸下限(%,V/V):未确定

19. 溶解性:溶于水

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