Megazyme® β-Galactosidase (Aspergillus niger)
8,000 Units
SKU 编号 700004192 | 目录编号 E-BGLAN
数量：
最低数量要求：1
This item must be ordered in multiples of one case. Quantity per case: 1
High purity β-Galactosidase (Aspergillus niger) for use in research, biochemical enzyme assays and analytical testing applications.
| 规格 | ||
|---|---|---|
| 品牌 | Megazyme | |
| EC 编号 | 3.2.1.23 | |
| 储存条件 | Storage Temperature: 2-8°C Stability: > 1 year under recommended storage conditions | |
| 应用实例 | Applications established in analysis and research within the food and feed, carbohydrate and biofuels industries. | |
| 配方 | In 3.2 M ammonium sulphate | |
| 外形 | Suspension | |
| CAS 编号 | 9031-11-2 | |
| 浓度 | ~ 4000 | |
| 同义词 | beta-galactosidase; beta-D-galactoside galactohydrolase | |
| 来源 | Aspergillus niger | |
| 分子量 | 125000 | |
| 表达 | Purified from Aspergillus niger | |
| 特异性 | Hydrolysis of terminal non-reducing β-D-galactose residues in β-D-galactosides. | |
| 具体活动 | ~ 240 U/mg (40°C, pH 4.5 on p-nitrophenyl β-D-galactoside) | |
| 单位定义 | One Unit of β-galactosidase activity is defined as the amount of enzyme required to release one µmole of p-nitrophenol (pNP) per minute from p-nitrophenyl-β-D-galactoside (10 mM) in sodium acetate buffer (100 mM), pH 4.5 at 40°C. | |
| 最佳温度 (°C) | 60 | |
| 包装尺寸 | 0.80 in x 0.80 in x 1.90 in | |
| 包装重量 | 0.03 lb | |