| 货号 (SKU) | 包装规格 | 是否现货 | 价格 | 数量 |
|---|---|---|---|---|
| G755072-10U |
10U |
期货  |
| |
| G755072-25U |
25U |
期货 |
|
| 产品名称 | β-半乳糖苷酶 来源于牛肝脏 |
|---|---|
| 别名 | β 半乳糖苷酶 | β-D-半乳糖苷半乳糖水解酶 | 乳糖酶 |
| 英文别名 | β Galactosidase | beta-galactosidase | exo-(1->4)-beta-D-galactanase | lactase | β-D-Galactoside galactohydrolase | GLB1 | GAL |
| 规格或纯度 | 天然, ≥80%(SDS-PAGE), ≥0.15 U/mg protein; Protein ≥40% |
| 生化机理 | Cleaves beta-linked terminal galactosyl residues from gangliosides, glycoproteins, and glycosaminoglycans. Catalytic activity: Hydrolysis of terminal non-reducing beta-D-galactose residues in beta-D-galactosides. |
| 产品介绍 |
β-半乳糖苷酶可将乳糖切割成单糖成分、葡萄糖和半乳糖。它还在反馈环中催化葡萄糖转糖基化为β-半乳糖苷酶的诱导物异乳糖。 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. |
| 生物活性 | ≥0.15 U/mg protein |
| 种属 | 牛(Bovine) |
| Accession # | Q58D55 |
| Nacres | NA.54 |
|---|
| 物理形态 | 冻干(Lyophilized) |
|---|---|
| 浓度 | ≥0.15 U/mg protein; Protein ≥40% |
| 复溶 | Reconstitute in sterile water to a concentration of less than 5.0 mg/mL. |
| 储存温度 | -20°C储存 |
| 运输条件 | 超低温冰袋运输 |
| CAS编号和信息 | 9031-11-2 |
| 酶学委员会编号 | 3.2.1.23 |
| 单位定义 | 一个单位（U）将在37℃，pH 7.3 下每分钟水解 1.0 μmol o-硝基苯基 β-D-半乳糖苷，转化为o-硝基酚和D-半乳糖。 |
| 分子类型 | 酶 |
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