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β 半乳糖苷酶 来源于米曲霉

β-Galactosidase from Aspergillus oryzae
产品编号:3411456
规格:≥8.0 units/mg solid
CAS NO:9031-11-2
包装规格:25000 UNITS,125000 UNITS,500000 UNITS
产品类别:进口试剂
品牌:Sigma-Aldrich
优惠价:立即咨询
产品编号包装单位单价(元)国内现货国外库存询价单
341145625000 UNITS1110
3411456125000 UNITS4050
3411456500000 UNITS8450
产品别名

9031-11-2

β 半乳糖苷酶 来源于米曲霉

β-Galactosidase from Aspergillus oryzae

Lactase from Aspergillus oryzae

β-D-Galactoside galactohydrolase

乳糖酶 来源于米曲霉

β-D-半乳糖苷半乳糖水解酶

基本信息
Enzyme Commission (EC) Number【酶学委员会(EC)编号】
3.2.1.23 ( BRENDA | IUBMB )
EC number【EC 号】
232-864-1
MDL number
MFCD00130623
General description【一般描述】
β-Galactosidase is a member of the glycoside hydrolase clan A (GH-A) family. It is widely present in microorganisms, which includes both prokaryotes and eukaryotes.
Application【应用】
β-Galactosidase from Aspergillus oryzae has been used:
  • in in vitro nuclear magnet resonance (NMR)
  • as a standard in the β-galactosidase assay to determine the concentration of cell-associated β-galactosidase
  • to modify sugar residues on the surface of the mutant slime cells to study the adhesive properties
  • for enzymatic hydrolysis of lactose
  • for reversed-phase (RP) adsorption
  • in the hydrolysis of whey lactose
Biochem/physiol Actions【生化/生理作用】
β-Galactosidase acts on the terminal β-D-galactosyl moieties of disaccharides, glycoconjugates, and polysaccharides. It is useful in mediating transglycosylation reactions such as the synthesis of galactooligosaccharides (GOS). β-Galactosidases might be used for glycobiological and biotechnological applications.
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。
Unit Definition【单位定义】
一单位每分钟水解1.0 μmole乳糖,pH4.5,30℃。
产品性质
Quality Level【质量水平】
200
form【形式】
solid
Specific Activity
≥8.0 units/mg solid
contains【包含】
dextrin as extender
storage temp.【储存温度】
−20℃
packaging【包装】
25000, 125000, 500000 units in poly bottle
安全信息
Storage Class Code【储存分类代码】
13 - Non Combustible Solids
WGK
WGK 3
Personal Protective Equipment【个人防护装备】
Eyeshields, Gloves, type N95 (US)
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