Catalog No.: qs50019
Appearance: White amorphous powder
Source: Microorganism
Enzyme Commission Number: EC 3.2.1.23
CAS Number: 9031-11-2
Storage temperature: -20℃
Specific activity: ≥ 400U/mg protein
Unit definition: One unit will cause the formation of one micromole of ONP
from ONPG per min at pH 7.3 at 37℃.
β-半乳糖苷酶能够水解通过β-1→4糖苷键连接在单糖、寡糖或糖肽上的半乳糖残基。它主要用于酶联免疫检测中,偶联在抗体上作为标记物。此外,β-半乳糖苷酶还可用于糖类结构分析、乳糖检测和钠离子检测