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C6867 Sigma-Aldrich

Anti-CENP-A antibody produced in rabbit

~2 mg/mL, affinity isolated antibody, buffered aqueous solution

Synonym: Anti-CenH3, Anti-Centromere Protein A



Related Categories Alphabetical Index, Antibodies, Antibodies for Cell Biology, Antibodies for Epigenetics, Antibodies for Epigenetics and Nuclear Signaling,
conjugate   unconjugated
clone   polyclonal
biological source   rabbit
application(s)   western blot: 1-2 μg/mL using HEK-293 cells expressing human CENP-A
species reactivity   human
mol wt   antigen 17 kDa
form   buffered aqueous solution
shipped in   dry ice
storage temp.   −20°C
antibody form   affinity isolated antibody
antibody product type   primary antibodies
concentration   ~2 mg/mL
UniProt accession no.   P49450
Gene Information   human ... CENPA(1058)


General description

CENP-A is a 17 kDa histone H3- like protein.

Centromere protein A is a protein encoded by the CENPA gene in humans. It is referred as CenH3 and CENP-A. It is a histone H3 variant that has centromere-specific nucleosomal property and is located at neocentromere found on a chromosome 10. CENP-A- binding clusters is associated with nucleosomal blocks within the neocentromeric chromatin.


synthetic peptide corresponding to amino acids 32-49 located near the N-terminus of human CENP-A, conjugated to KLH.


Anti-CENP-A antibody has been used in immunoblotting.

Anti-CENP-A antibody produced in rabbit is suitable for western blotting at a concentration of 1-2μg/mL using HEK-293 cells expressing human CENP-A.

Physical form

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.


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.

Biochem/physiol Actions

The location of the centromere on the chromosome is dependent on the histone H3 variant centromere protein A (CENP-A). The N-terminal tail of CENP-A is highly different from other H3 variants. Serine 7 of (CENP-A) plays an important role in mitosis-specific phosphorylation. It also plays a key role in kinetochore assembly. Alteration in CENP-A causes various human cancers. CENP-A may play an important role in epithelial ovarian cancer (EOC) and may serve as prognostic marker. It acts as a potential target for gene therapy in the treatment of EOC. The NH2 terminus of human CENP-A is essential for mitotic progression and necessary for the platform function of CENP-A centromeric chromatin in the assembly as well as maintenance of active kinetochores.

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 


Certificate of Analysis


Milli-Q® Water Purification Solutions
Protocols & Articles


Antibody Basics

Immunoglobulins (Igs) are produced by B lymphocytes and secreted into plasma. The Ig molecule in monomeric form is a glycoprotein with a molecular weight of approximately 150 kDa that is shaped more ...
Keywords: Affinity chromatography, Centrifugation, Chromatography, Digestions, Direct immunofluorescence, Gene expression, High performance liquid chromatography, Immunofluorescence, Ion Exchange, Microscopy, Precipitation, Purification, Rheumatology, Scanning electron microscopy


Western Blot Protocol | Immunoblotting Protocol

Western Blotting refers to the electrophoretic transfer of proteins from sodium dodecyl sulfate polyacrylamide gels to sheets of PVDF or nitrocellullose membrane, followed by immunodetection of prote...
Keywords: AGE, Buffers, Cell disruption, Detergents, Dialysis, Electroblotting, Electrophoresis, Enzyme activity, Gel electrophoresis, Immunoprecipitation, PAGE, Protein extraction, Purification, Sample preparations, Western blot

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Peer-Reviewed Papers


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C6992 Anti-CENP-A (C-terminal) antibody produced in rabbit, ~2 mg/mL, affinity isolated antibody, buffered aqueous solution

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