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Key Documents

G6282

Sigma-Aldrich

Monoclonal Anti-β-Galactosidase antibody produced in mouse

clone GAL-40, ascites fluid

Synonyma:

Mouse Anti-beta-Galactosidase

Přihlásitk zobrazení cen stanovených pro organizaci a smluvních cen


About This Item

MDL number:
UNSPSC Code:
12352203
NACRES:
NA.46

biological source

mouse

conjugate

unconjugated

antibody form

ascites fluid

antibody product type

primary antibodies

clone

GAL-40, monoclonal

contains

15 mM sodium azide

species reactivity

bacteria

technique(s)

dot blot: suitable using soluble β-galactosidase
immunocytochemistry: suitable
western blot: 1:1,000 using denatured-reduced Escherichia coli β-galactosidase

isotype

IgM

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

General description

β-Galactosidase is coded by the LacZ gene which helps to transform lactose into galactose.
β-galactosidase is a ~465 kDa tetrameric protein. Eukaryotic genes are usually cloned into E.coli β-galactosidase (lacZ) gene that results in a fusion hybrid of the desired gene product with the β-galactosidase enzyme . As the amount of the desired gene product in these cloned vector systems corresponds to the amount of β-galactosidase, enzyme assays for β-galactosidase can be utilized to detect the required gene product . Monoclonal anti-β-galactosidase antibodies are specific for β-galactosidase in E.coli and enable the analysis of β-galactosidase fusion proteins encoded by cloned vector systems.

Specificity

The antibody may be used for detection of β-galactosidase expressed by the E. coli lacZ gene encoded in many cloned gene sequences; serves as an indicator for fusion proteins encoded by an inserted DNA sequence.

Immunogen

β-D-galactosidase from E. coli

Application

Monoclonal Anti-β-Galactosidase antibody produced in mouse has been used for western blotting.
Monoclonal anti-β-galactosidase antibodies may be used in dot blot (using soluble β-galactosidase), western blot (at a dilution of 1:1,000, using denatured-reduced Escherichia coli β-galactosidase) and immunocytochemistry. This antibody may also be used for immunochemical assays such as ELISA, immunoblot and immunohistochemistry by using the stepwise procedure or by the preparation of β-galactosidase anti-β galactosidase (BBAG) complex. Additionally, this product is suitable for the detection and purification of recombinant fusion proteins encoded by cloning vectors containing the β-galactosidase gene. Monoclonal anti-β-galactosidase antibody is also used for the immunoenzymatic staining of bone marrow and blood smears, and tissue sections.

Biochem/physiol Actions

β-galactosidase catalyses the hydrolysis of lactose to form glucose and galactose. It serves as a reporter enzyme in a number of analysis such as studying the regulation of gene expression, protein function and structure determination, and examining of target gene expression. β-galactosidase is also known to yield coloured products by acting on several substrates. Thus, it is prefered as a reporter enzyme in applications involving gene expression regulation, analysis of protein function/structure, and target gene expression.

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Storage Class

10 - Combustible liquids

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable


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Navštívit knihovnu dokumentů

K Hayashibe et al.
Journal of immunoassay, 11(1), 89-95 (1990-01-01)
A rapid and sensitive enzyme-linked immunoassay (ELISA) to quantitate recombinant fusion proteins encoded by cloned cDNA in the bacteriophage lambda gt11 is described. Since the fusion protein is expressed in an equimolar ratio to beta-galactosidase, the assay derives the concentration
S Z Shapiro et al.
Journal of immunological methods, 97(2), 275-279 (1987-03-12)
A simple technique for raising specific antisera to protein encoded by cloned genes is described. The procedure involves preparation of an antiserum to Escherichia coli beta-galactosidase and the use of that serum to immunoprecipitate a fusion protein in a crossed
The Stable 2.0-Kilobase Intron of the Herpes Simplex Virus Type 1 Latency-Associated Transcript Does Not Function as an Antisense Repressor of ICP0 in Nonneuronal Cells
Burton EA, et al.
Journal of Virology, 77(6), 3516-3530 (2003)
P Dráber et al.
Hybridoma, 11(3), 385-390 (1992-06-01)
A panel of seven mouse monoclonal antibodies (BG-01-BG-07) was prepared against beta-galactosidase derived from E. coli. The antibodies are beta-galactosidase specific, show no cross-reactivity with other E. coli proteins and can be used for identification and characterization of beta-galactosidase fusion
María Dolores Juárez-Rodríguez et al.
Infection and immunity, 80(2), 798-814 (2011-12-07)
Tuberculosis remains a global health threat, and there is dire need to develop a vaccine that is safe and efficacious and confers long-lasting protection. In this study, we constructed recombinant attenuated Salmonella vaccine (RASV) strains with plasmids expressing fusion proteins

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