产品说明
一般描述
pH optimum 10.5-10.8 (L-leucine substrate) and 9.4 (α-ketoisocaproate substrate), temperature optimum 65°C.
Native L-leucine dehydrogenase from Bacillus cereus. Catalyzes the NAD+-dependent conversion of L-leucine to α-ketoisocaproate. Suitable for the production of L-tertiary leucine amino acids.
Native L-leucine dehydrogenase from Bacillus cereus. Purified enzyme that catalyzes the NAD-dependent conversion of L-leucine to α-ketoisocaproate. Suitable for the production of L-tertiary leucine amino acids. Has an optimal pH of 10.5-10.8 for L-leucine substrate and 9.4 for α-ketoisocaproate substrate. Has an optimal temperature of 65°C.
包装
100 u in Plastic ampoule
警告
Toxicity: Standard Handling (A)
单位定义
One unit is defined as the amount of enzyme that will convert 1.0 µmol L-leucine to α-ketoisocaproate in the presence of NAD+ per min at 30°C, pH 10.7.
外形
In 100 mM NaCl, 10 mM potassium phosphate buffer, 50% glycerol, pH 7.5.
重悬
Following initial thaw, aliquot and freeze (-20°C).
其他说明
Kärst, U., et al. 1986. FEMS Microbiol. Lett. 37, 335.
Schütte, H., et al. 1985. Appl. Microbiol.Biotechnol.22, 306.
法律信息
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
基本信息
酶学委员会(EC)编号 | 1.4.1.9 ( BRENDA | IUBMB ) |
MDL编号 | MFCD00147461 |
产品性质
形式 | liquid |
质量水平 | 100 |
specific activity | ≥10 units/mg protein ≥50 units/mL |
manufacturer/tradename | Calbiochem® |
储存条件 | OK to freeze avoid repeated freeze/thaw cycles |
运输 | wet ice |
储存温度 | −20℃ |
安全信息
储存分类代码 | 10 - Combustible liquids |
WGK | WGK 2 |