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Key Documents

07-574

Sigma-Aldrich

Anti-CENP-A Antibody

Upstate®, from rabbit

Synonym(s):

Anti-CENP-A, Anti-CenH3

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About This Item

UNSPSC Code:
12352203
eCl@ss:
32160702
NACRES:
NA.41

biological source

rabbit

Quality Level

antibody form

affinity purified immunoglobulin

antibody product type

primary antibodies

clone

polyclonal

purified by

affinity chromatography

species reactivity

human

manufacturer/tradename

Upstate®

technique(s)

western blot: suitable

isotype

IgG

NCBI accession no.

UniProt accession no.

shipped in

wet ice

target post-translational modification

unmodified

Gene Information

human ... CENPA(1058)

General description

CENP-A is a variant version of histone H3 found only at centromeres.
Centromere protein A (CENP-A) is a 17 kDa centromere-specific histone variant with 62% amino acids homology to the C-terminal of histone H3. Localized in the centromere, it plays a central role in the centromere-specific chromatin formation. The depletion of histone H3 at the CENP-A binding domain suggests CENP-A to be a possible replacement for histone H3 in the packaging process of α-satellite DNA into primary chromation structure. CENP-A is essential in the formation of specialized nucleosomes at the centromere, implicating CENP-A as a centromere-specific epigenetic marker.

Specificity

Broad species cross-reactivity is predicted.
CENP-A

Immunogen

peptide (RRRSRKPEAPRRRS) corresponding to amino acids 4-17 of human CENP-A

Application

Anti-CENP-A Antibody is a Rabbit Polyclonal Antibody for detection of CENP-A also known as Centromere autoantigen A & has been tested in WB.
Research Category
Epigenetics & Nuclear Function
Research Sub Category
Cell Cycle, DNA Replication & Repair

Quality

routinely evaluated by immunoblot in acid extracted histones from HeLa cells

Target description

17kDa

Linkage

Replaces: 04-205

Physical form

Affinity purified immunoglobulin in 0.1M Tris-glycine, pH 7.4, 0.15M NaCl, 0.05% sodium azide.
ImmunoAffinity Purified

Storage and Stability

Stable for 1 year at 2 to 8ºC from date of receipt.

Analysis Note

Control
Control Histones (from Hela cells) colcemid-treated or untreated

Legal Information

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

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 Code

10 - Combustible liquids

WGK

WGK 1


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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Qubo Zhu et al.
The Journal of cell biology, 185(5), 827-839 (2009-06-03)
Telomeric repeat binding factor 1 (TRF1) is a component of the multiprotein complex "shelterin," which organizes the telomere into a high-order structure. TRF1 knockout embryos suffer from severe growth defects without apparent telomere dysfunction, suggesting an obligatory role for TRF1
CENP-A nucleosomes localize to transcription factor hotspots and subtelomeric sites in human cancer cells.
Athwal, RK; Walkiewicz, MP; Baek, S; Fu, S; Bui, M; Camps, J; Ried, T; Sung, MH; Dalal, Y
Epigenetics & Chromatin null
Roshan L Shrestha et al.
Journal of cell science, 136(10) (2023-05-02)
Restricting the localization of the evolutionarily conserved centromeric histone H3 variant CENP-A to centromeres prevents chromosomal instability (CIN). The mislocalization of CENP-A to non-centromeric regions contributes to CIN in yeasts, flies and human cells. Even though overexpression and mislocalization of
Yujue Chen et al.
The Journal of cell biology, 220(7) (2021-04-22)
Centromeric transcription has been shown to play an important role in centromere functions. However, lack of approaches to specifically manipulate centromeric transcription calls into question that the proposed functions are a direct consequence of centromeric transcription. By monitoring nascent RNAs
Qinfu Chen et al.
Cell reports, 36(12), 109740-109740 (2021-09-23)
Bub1 is required for the kinetochore/centromere localization of two essential mitotic kinases Plk1 and Aurora B. Surprisingly, stable depletion of Bub1 by ∼95% in human cells marginally affects whole chromosome segregation fidelity. We show that CENP-U, which is recruited to

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