产品说明
应用
β-Galactosidase from bovine testes was used for coupling to Sepharose.
生化/生理作用
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.
单位定义
One unit will hydrolyze 1.0 μmole of p-nitrophenyl β-
外形
Suspension in 3.2 M (NH4)2SO4, pH approx. 5.0
基本信息
| 酶学委员会(EC)编号 | 3.2.1.23 ( BRENDA | IUBMB ) |
| EC 号 | 232-864-1 |
| MDL编号 | MFCD00130623 |
| NACRES | NA.54 |
产品性质
| 质量水平 | 200 |
| 生物来源 | bovine |
| 形式 | ammonium sulfate suspension |
| specific activity | 1.0-3.0 units/mg protein (modified Warburg-Christian) |
| 异质活性 | α- and β-glucosidase ≤0.2% α-fucosidase ≤0.2% α-galactosidase ≤0.2% α-mannosidase ≤0.2% β-N-acetylglucosaminidase ≤1.0% |
| 储存温度 | 2-8℃ |
安全信息
| 储存分类代码 | 13 - Non Combustible Solids |
| WGK | WGK 3 |
| 闪点(F) | Not applicable |
| 闪点(C) | Not applicable |
| 个人防护装备 | Eyeshields, Gloves, type N95 (US) |
Sigma-Aldrich
m.cnreagent.com
