跳轉至內容
Merck
全部照片(1)

重要文件

G4142

Sigma-Aldrich

β-Galactosidase from bovine testes

ammonium sulfate suspension, 1.0-3.0 units/mg protein (modified Warburg-Christian)

同義詞:

β-D-Galactoside galactohydrolase

登入查看組織和合約定價


About This Item

CAS號碼:
酶委員會編號:
EC號碼:
MDL號碼:
分類程式碼代碼:
12352204
NACRES:
NA.54

生物源

bovine

品質等級

形狀

ammonium sulfate suspension

比活性

1.0-3.0 units/mg protein (modified Warburg-Christian)

異物活動

α- and β-glucosidase ≤0.2%
α-fucosidase ≤0.2%
α-galactosidase ≤0.2%
α-mannosidase ≤0.2%
β-N-acetylglucosaminidase ≤1.0%

儲存溫度

2-8°C

相關類別

應用

β-Galactosidase from bovine testes was used for coupling to Sepharose.

生化/生理作用

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.

單位定義

One unit will hydrolyze 1.0 μmole of p-nitrophenyl β-D-galactopyranoside to p-nitrophenol and D-galactopyranose per min at pH 4.4 at 25 °C.

外觀

Suspension in 3.2 M (NH4)2SO4, pH approx. 5.0

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)


從最近期的版本中選擇一個:

分析證明 (COA)

Lot/Batch Number

未看到正確版本?

如果您需要一個特定的版本,您可以透過批號來尋找特定憑證。

已經擁有該產品?

您可以在文件庫中找到最近購買的產品相關文件。

存取文件庫

W Kiess et al.
The Journal of biological chemistry, 263(19), 9339-9344 (1988-07-05)
Cloning and sequencing of the human type II insulin-like growth factor (IGF) receptor cDNA revealed an 80% deduced amino acid sequence homology with the bovine cation-independent mannose 6-phosphate (Man-6-P) receptor, suggesting identity of the two receptors (Morgan, D. O., Edman
The purification and properties of beta-galactosidase from bovine testes.
J J Distler et al.
The Journal of biological chemistry, 248(19), 6772-6780 (1973-10-10)
D H Juers et al.
Protein science : a publication of the Protein Society, 8(1), 122-136 (1999-04-21)
Beta-galactosidase (lacZ) from Escherichia coli is a 464 kDa homotetramer. Each subunit consists of five domains, the third being an alpha/beta barrel that contains most of the active site residues. A comparison is made between each of the domains and
Screening of high-risk Gaucher disease patients using dried blood spots techniques.
Filippo Vairo et al.
Gene, 523(1), 114-115 (2013-04-10)
Natalya Chernichenko et al.
JAMA otolaryngology-- head & neck surgery, 139(2), 173-182 (2013-02-23)
To examine the therapeutic effects of an attenuated, replication-competent vaccinia virus (GLV-1h68) against a panel of 5 human salivary gland carcinoma cell lines. The susceptibility of 5 salivary gland carcinoma cell lines to infection and oncolysis by GLV-1h68 was assessed

文章

Instructions for working with enzymes supplied as ammonium sulfate suspensions

我們的科學家團隊在所有研究領域都有豐富的經驗,包括生命科學、材料科學、化學合成、色譜、分析等.

聯絡技術服務