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Merck

345788

Sigma-Aldrich

β-Galactosidase, E. coli

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

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

345788-0MG:
US2345788-5MG:
345788-50MG:
345788-5MG:
345788-MG:

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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Global Trade Item Number

SKUGTIN
345788-5MGCN04055977193985