β-Galactosidase, E. coli

Name: β-Galactosidase, <i>E. coli</i>
Brand: MM

Synonym(s):

β-Galactosidase, E. coli, β-D-Galactoside galactohydrolase

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About This Item

CAS Number:

9031-11-2

EC Number:

3.2.1.23 (BRENDA, IUBMB)

MDL number:

MFCD12912442

UNSPSC Code:

12352202

NACRES:

NA.32

Key Documents

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biological source

Escherichia coli

Quality Level

200

description

RTECS - LW5840000

form

lyophilized solid

specific activity

≥600 units/mg protein

manufacturer/tradename

Calbiochem^®

storage condition

OK to freeze

color

white

solubility

water: 2%

shipped in

ambient

storage temp.

−20°C

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Show Differences

1 of 4

This Item	G3153	G6008	G5635
Sigma-Aldrich 345788 β-Galactosidase, E. coli	Sigma-Aldrich G3153 β-Galactosidase from Escherichia coli	Sigma-Aldrich G6008 β-Galactosidase from Escherichia coli	Sigma-Aldrich G5635 β-Galactosidase from Escherichia coli
biological source Escherichia coli	biological source -	biological source Escherichia coli	biological source -
specific activity ≥600 units/mg protein	specific activity ≥500 units/mg protein	specific activity ≥250 units/mg protein	specific activity ≥500 units/mg protein
form lyophilized solid	form lyophilized powder	form lyophilized powder	form lyophilized powder
storage condition OK to freeze	storage condition -	storage condition -	storage condition -
solubility water: 2%	solubility -	solubility -	solubility -
shipped in ambient	shipped in -	shipped in wet ice	shipped in -

General description

Native E. coli β-galactosidase. Inducible enzyme not found in eukaryotic cells that is used as a reporter gene. Used to assess efficiency of transfection. Also used in ELISA and immunocytochemical techniques. Histochemical substrates include X-Gal (Cat. No. 203782).

Packaging

Yes

Other Notes

One unit is defined as the amount of enzyme that will hydrolyze 1.0 µmol of p-nitrophenyl-β-galactoside per min at 37°C.

Zeleny, R., et al. 1997. Anal. Biochem.246, 96.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Disclaimer

Toxicity: Standard Handling (A)

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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