β-Galactosidase from Escherichia coli
商品编号：
S0494
备注：
国外库存，货期2-4周，具体详情请联系销售人员。
详细介绍
l 基本信息 |
产品名称 | β-Galactosidase from Escherichia coli |
别 称 | β-D-Galactoside galactohydrolase, Lactase |
含 量 | for enzyme immunoassay, ~140U/mg | CAS
NO. | 9031-11-2 |
分子量 | Mr ~135000 | MDL
number | MFCD00130623 |
适用范围 | 生物试剂 |
l 理化信息 |
外 观 | 冻干粉 |
l 生物学信息 |
生物活性/药理作用 | β-galactosidase cleaves lactose into its monosaccharide components, glucose and galactose. It also catalyses the transglycosylation of glucose into allolactose, the inducer of β-galactosidase, in a feedback loop. |
应 用 | Aqueous solution may be used directly for derivatization without previous dialysis or gel permeation chromatography. |
有效单位定义 | 1U corresponds to the amount of enzyme which hydrolyzes 1μmol 2-nitrophenyl-β-D-galactopyranoside per minute at pH7.8 and 37 °C |
l 存储 |
存储温度 | -20°C |
l 注意事项及免责声明 |
本产品仅用于实验研究，不得作为药物使用，不得用于家用或其它用途。 |
l 参考文献 |
1. http://www.drugbank.ca 2. https://ncit.nci.nih.gov 3. https://www.ncbi.nlm.nih.gov |
