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Merck

G1875

Sigma-Aldrich

β-半乳糖苷 来源于牛肝脏

Grade III, lyophilized powder, ≥0.15 units/mg protein

别名:

β-D-半乳糖苷半乳糖水解酶

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About This Item

CAS号:
EC號碼:
MDL號碼:
分類程式碼代碼:
12352204
NACRES:
NA.54

生物源

bovine liver

種類

Grade III

形狀

lyophilized powder

比活性

≥0.15 units/mg protein

成份

Protein, ≥40%

運輸包裝

wet ice

儲存溫度

−20°C

應用

使用β-半乳糖苷酶生产用于酒精分析的稳定的单一试剂。

生化/生理作用

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。

單位定義

一个单元将在37°C pH 7.3 下每分钟水解 1.0βmol o -硝基苯基 β- D -半乳糖苷,转化为 o -硝基酚和 D -半乳糖。

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)


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