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I5283

Sigma-Aldrich

Anti-INCENP antibody produced in rabbit

IgG fraction of antiserum, buffered aqueous solution

Synonym(s):

Anti-Inner Centromere Protein

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About This Item

MDL number:
MFCD05665235
UNSPSC Code:
12352203
NACRES:
NA.41

biological source

rabbit

conjugate

unconjugated

antibody form

IgG fraction of antiserum

antibody product type

primary antibodies

clone

polyclonal

form

buffered aqueous solution

mol wt

antigen ~106 kDa

species reactivity

human, mouse, rat

technique(s)

indirect immunofluorescence: 1:100 using HeLa cells
microarray: suitable
western blot (chemiluminescent): 1:2,000 using whole extract of mouse NIH3T3 and rat PC12 cells
western blot (chemiluminescent): 1:5,000 using nuclear extract of human HeLa cells

UniProt accession no.

Q9NQS7

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... INCENP(3619)
mouse ... Incenp(16319)
rat ... Incenp(293733)

General description

The gene INCENP (inner centromere protein) encodes an inner centromere protein that forms a component of the chromosomal passenger complex (CPC). It is found to be localized to inner centromeres during mitosis. The CPC also contains Aurora B, survivin, and Borealin.

Immunogen

synthetic peptide corresponding to amino acid residues 884-901 of human INCENP with N-terminal added cysteine conjugated to KLH. The corresponding sequence differs by one amino acid in chicken and Xenopus laevis and by two amino acids in mouse.

Application

Anti-INCENP antibody produced in rabbit has been used in western blotting and immunofluorescence.

Biochem/physiol Actions

Studies in knockout mice established INCENP (inner centromere protein) as essential for mouse development and viability. Loss of INCENP results in chromosome segregation defects and failures in cytokinesis.
The inner centromere protein encoded by the INCENP gene is phosphorylated by Cdk1 (cyclin dependent kinase 1) in mitosis. It is found to be associated with Plk1 (Polo-like kinase) in a polo-box–dependent manner. Plk1 is a serine/threonine kinase that functions in cell cycle, especially in mitosis. INCEP participates in the localization of Bub1 (Budding uninhibited by benzimidazole 1), a serine/threonine kinase involved in spindle checkpoint, to kinetochore. This, in turn, promotes the recruitment of Plk1 to kinetochores. Phosphorylated INCENP stimulates the activity of Aurora B kinase at centromeres and the central spindle that is important for chromosome segregation and cytokinesis, respectively.

Physical form

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

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 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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A Cul3-based E3 ligase removes Aurora B from mitotic chromosomes, regulating mitotic progression and completion of cytokinesis in human cells
Sumara I, et al.
Developmental Cell, 12(6), 887-900 (2007)
Lin-Ing Wang et al.
PLoS genetics, 15(5), e1008072-e1008072 (2019-06-01)
Sister centromere fusion is a process unique to meiosis that promotes co-orientation of the sister kinetochores, ensuring they attach to microtubules from the same pole during metaphase I. We have found that the kinetochore protein SPC105R/KNL1 and Protein Phosphatase 1
Reiko Honda et al.
Molecular biology of the cell, 14(8), 3325-3341 (2003-08-20)
The function of the Aurora B kinase at centromeres and the central spindle is crucial for chromosome segregation and cytokinesis, respectively. Herein, we have investigated the regulation of human Aurora B by its complex partners inner centromere protein (INCENP) and
Renee J Tamming et al.
Cell reports, 31(13), 107838-107838 (2020-07-02)
ATRX gene mutations have been identified in syndromic and non-syndromic intellectual disabilities in humans. ATRX is known to maintain genomic stability in neuroprogenitor cells, but its function in differentiated neurons and memory processes remains largely unresolved. Here, we show that
Fangwei Wang et al.
The Journal of cell biology, 199(2), 251-268 (2012-10-17)
Haspin phosphorylates histone H3 at threonine-3 (H3T3ph), providing a docking site for the Aurora B complex at centromeres. Aurora B functions to correct improper kinetochore-microtubule attachments and alert the spindle checkpoint to the presence of misaligned chromosomes. We show that
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