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07-981

Sigma-Aldrich

Anti-Cbx7 Antibody

from rabbit, purified by affinity chromatography

Synonym(s):

chromobox homolog 7, chromobox protein homolog 7

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About This Item

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

biological source

rabbit

Quality Level

antibody form

affinity isolated antibody

antibody product type

primary antibodies

clone

polyclonal

purified by

affinity chromatography

species reactivity

mouse

technique(s)

immunoprecipitation (IP): suitable
western blot: suitable

NCBI accession no.

UniProt accession no.

shipped in

wet ice

target post-translational modification

unmodified

Gene Information

human ... CBX7(23492)

General description

Chromobox protein homologue 7 (Cbx7) is a member of the mammalian chromobox family of proteins. As a component of the Polycomb repressive complex 1 (PRC1), Cbx7, is involved in the maintenance and prolongation of cultured epithelial cell lifespan, and has been shown to function independently of BMI-1 in the repression of INK4a/ARF, a known tumor suppressor locus. Cbx7 is also able to regulate cellular lifespan through maintaining CDKN2A repression. Studies have shown Cbx7 to be up-regulated in follicular lymphoma, suggesting potential as a human oncogene.

Specificity

This antibody recognizes Cbx7 at the C-terminus.

Immunogen

Epitope: C-terminus
GST-tagged recombinant protein corresponding to the C-terminus of mouse Cbx7.

Application

Anti-Cbx7 Antibody is a Rabbit Polyclonal Antibody for detection of Chromobox protein homolog 7 (Cbx7) also known as hromobox protein homolog 7 & has been validated in WB & IP.
Research Category
Epigenetics & Nuclear Function
Research Sub Category
Chromatin Biology
Western Blot (Snap i.d.) Analysis: 2 µg/mL from a representative lot detected Cbx7 on 10 µg of human and mouse embryonic stem cell lysates.

Immunoprecipitation Analysis: A representative lot was used by an independent laboratory in IP.

Quality

Evaluated by Western Blot in mouse embryonic stem cell lysate.

Western Blot Analysis: 0.25 µg/mL of this antibody detected Cbx7 on 10 µg of mouse embryonic stem cell lysate.

Target description

~21 kDa observed. A non-specific band at ~ 44 kDa and may be observed in some lysates.

Physical form

Affinity purified
Purified rabbit polyclonal in buffer containing 0.1 M Tris-Glycine (pH 7.4), 150 mM NaCl with 0.05% sodium azide.

Storage and Stability

Stable for 1 year at 2-8°C from date of receipt.

Analysis Note

Control
Mouse embryonic stem cell lysate

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.

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Storage Class

12 - Non Combustible Liquids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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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Elizabeth S Jaensch et al.
Molecular cell, 81(22), 4677-4691 (2021-10-13)
The CBX family of proteins is central to proper mammalian development via key roles in Polycomb-mediated maintenance of repression. CBX proteins in differentiated lineages have chromatin compaction and phase separation activities that might contribute to maintaining repressed chromatin. The predominant
Eleanor Glancy et al.
Molecular cell, 83(9), 1393-1411 (2023-04-09)
Polycomb repressive complex 2 (PRC2) mediates H3K27me3 deposition, which is thought to recruit canonical PRC1 (cPRC1) via chromodomain-containing CBX proteins to promote stable repression of developmental genes. PRC2 forms two major subcomplexes, PRC2.1 and PRC2.2, but their specific roles remain
Junghyun L Suh et al.
Cell chemical biology, 29(4), 555-571 (2021-10-30)
Canonical targeting of Polycomb repressive complex 1 (PRC1) to repress developmental genes is mediated by cell-type-specific, paralogous chromobox (CBX) proteins (CBX2, 4, 6, 7, and 8). Based on their central role in silencing and their dysregulation associated with human disease
Nadezda A Fursova et al.
Molecular cell, 74(5), 1020-1036 (2019-04-29)
The Polycomb system modifies chromatin and plays an essential role in repressing gene expression to control normal mammalian development. However, the components and mechanisms that define how Polycomb protein complexes achieve this remain enigmatic. Here, we use combinatorial genetic perturbation
Jin He et al.
Nature cell biology, 15(4), 373-384 (2013-03-19)
Polycomb group (PcG) proteins play important roles in repressing lineage-specific genes and maintaining the undifferentiated state of mouse embryonic stem cells (mESCs). However, how PcG proteins are recruited to their target genes is largely unknown. Here, we show that the

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