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MAB3678-I

Sigma-Aldrich

Anti-Chloramphenicol Acetyltransferase Antibody, clone CAT-1

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biological source

mouse

Quality Level

conjugate

unconjugated

antibody form

purified antibody

antibody product type

primary antibodies

clone

CAT-1, monoclonal

mol wt

calculated mol wt 25.66 kDa

purified by

using protein G

species reactivity

E. coli

species reactivity (predicted by homology)

all

packaging

antibody small pack of 100 μL

technique(s)

immunocytochemistry: suitable
immunofluorescence: suitable
western blot: suitable

isotype

IgG1

epitope sequence

Unknown

Protein ID accession no.

UniProt accession no.

shipped in

2-8°C

target post-translational modification

unmodified

Gene Information

bacterial ... hxf11> HXF11(59683728)

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Chloramphenicol Chloramphenicol, CAS 56-75-7, is a synthetic bacteriostatic antibiotic that inhibits the translation of RNA by blocking the peptidyltransferase reaction on ribosomes.

220551

Chloramphenicol

clone

CAT-1, monoclonal

clone

polyclonal

clone

UMCD6, monoclonal

clone

-

biological source

mouse

biological source

goat

biological source

mouse

biological source

-

species reactivity

E. coli

species reactivity

human, opossum, guinea pig, rat, mouse, zebrafish (THE JOURNAL OF COMPARATIVE NEUROLOGY 474:75–107 (2004).), avian, monkey, chicken

species reactivity

human

species reactivity

-

conjugate

unconjugated

conjugate

-

conjugate

-

conjugate

-

antibody form

purified antibody

antibody form

affinity isolated antibody

antibody form

purified immunoglobulin

antibody form

-

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General description

Chloramphenicol acetyltransferase (UniProt: P62577; also known as EC:2.3.1.28, CAT) is encoded by the Cat gene (Gene ID: 59683728) in E. coli. Chloramphenicol acetyltransferase is an enzyme that catalyzes the acetyl-S-CoA-dependent acetylation of chloramphenicol at the 3-hydroxyl group leading to the production of 3-acetoxy chloramphenicol that does not bind to bacterial ribosomes and does not inhibit peptidyltransferase activity. It displays high stability in cells and has a half-life of about 48 hours. A highly reactive histidine residue has been implicated in the catalytic mechanism. CAT is shown to be an effector of chloramphenicol resistance in bacteria. Its synthesis is shown to be constitutive in E. coli and other Gram-negative bacteria that harbor plasmids bearing the structural gene for the enzyme. However, in Gram-positive bacteria such as staphylococci and streptococci it is synthesized only in the presence of chloramphenicol and related compounds. (Ref.:Shaw WH. (1983). CRC Crit. Rev. Biochem. 14(1); 1-46).
This mouse monoclonal Anti-Chloramphenicol Acetyltransferase, clone CAT-1, Cat. No. MAB3678-I is tested for use in Immunocytochemistry and Western Blotting and Immunofluorescence, for the detection of Chloramphenicol acetyltransferase.

Specificity

Clone CAT-1 is a mouse monoclonal antibody that detects Chloramphenicol acetyltransferase.

Immunogen

Full-length recombinant chloramphenicol acetyl transferase.

Application

Quality Control Testing

Evaluated by Immunocytochemistry in HEK293 cells transfected with gWIZ CAT plasmid.

Immunocytochemistry Analysis: A 1:500 dilution of this antibody detected Chloramphenicol Acetyltransferase in HEK293 cells transfected with gWIZ CAT plasmid.

Tested Applications

Immunofluorescence Analysis: A representative lot detected Chloramphenicol acetyltransferase in Immunofluorescence applications (Markus, B.M., et al. (2019). mSphere.;4(3):e00386-19).

Western Blotting Analysis: A representative lot detected Chloramphenicol acetyltransferase in Western Blotting applications (Smith, M.C., et al. (2011). Antiviral Res.;91(3):259-66; Markus, B.M., et al. (2019). mSphere.;4(3):e00386-19).

Note: Actual optimal working dilutions must be determined by end user as specimens, and experimental conditions may vary with the end user

Physical form

Purified mouse monoclonal antibody IgG1 in buffer containing 0.1 M Tris-Glycine (pH 7.4), 150 mM NaCl with 0.05% sodium azide.

Storage and Stability

Recommend storage at +2°C to +8°C. For long term storage antibodies can be kept at -20°C. Avoid repeated freeze-thaws.

Other Notes

Concentration: Please refer to the Certificate of Analysis for the lot-specific concentration.

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.

Storage Class

12 - Non Combustible Liquids

wgk_germany

WGK 1


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