G5160
β 半乳糖苷酶 来源于米曲霉
≥8.0 units/mg solid
别名:
β-D-半乳糖苷半乳糖水解酶, 乳糖酶 来源于米曲霉
产品名称
β 半乳糖苷酶 来源于米曲霉, ≥8.0 units/mg solid
form
solid
specific activity
≥8.0 units/mg solid
contains
dextrin as extender
storage temp.
−20°C
Quality Level
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Application
β-半乳糖苷酶（来源于米曲霉Aspergillus oryzae）已用于：
- 体外核磁共振(NMR)
- 作为β-半乳糖苷酶分析标准品，测定细胞相关的β-半乳糖苷酶浓度
- 修饰突变滑液细胞(slime cell)表面的糖残基以研究粘附性
- 乳糖酶促水解实验
- 反相(RP)吸附实验
- 乳清乳糖水解
Biochem/physiol Actions
ββ-半乳糖苷酶作用于二糖、糖缀合物和多糖末端的β-D-半乳糖基。它可用于介导转糖基反应，比如低聚半乳糖(GOS)合成。ββ-半乳糖苷酶可用于糖生物学和生物技术应用。
β-半乳糖苷酶切割乳糖成单糖成分，葡萄糖和半乳糖。它还能催化葡萄糖转糖基化形成异乳糖，在反馈回路中作为β-半乳糖苷酶的诱导剂。
General description
ββ-半乳糖苷酶属于糖苷水解酶clan A(GH-A)家族的一员，广泛存在于包括原核生物和真核生物的微生物中。
Other Notes
一单位每分钟水解1.0 μmole乳糖，pH4.5,30℃。
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
法规信息
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