产品名称

β-Galactosidase-biotin labeled from Escherichia coli

含 量

350-1200units/mg protein; Protein, ~75% E1%/280

MDL  number

MFCD00130626

适用范围

生物试剂

l  理化信息

外 观

白色冻干粉

物理形态

Lyophilized powder containing Tris-acetate, DTT, MgCl², and isopropyl β-D-thiogalactopyranoside

l  生物学信息

生物活性/药理作用

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.

应 用

β-Galactosidase was used as a control antigen in the selection of human antibody fragments by phage display.

样品准备说明

Biotinylated using biotin–maleimide which incorporates an extended spacer.

有效单位定义

One unit will hydrolyze 1.0μmole of o-nitrophenyl β-D-galactoside per min at pH7.3 at 37°C.

l  存储

存储温度

-20°C

l  注意事项及免责声明

本产品仅用于实验研究，不得作为药物使用，不得用于家用或其它用途。

l  参考文献

1.    http://www.drugbank.ca

2.    https://ncit.nci.nih.gov

3.  https://www.ncbi.nlm.nih.gov