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Merck

HPA008228

Sigma-Aldrich

Anti-CBX4 antibody produced in rabbit

Prestige Antibodies® Powered by Atlas Antibodies, affinity isolated antibody, buffered aqueous glycerol solution

Sinónimos:

Anti-Chromobox protein homolog 4 antibody produced in rabbit, Anti-E3 SUMO-protein ligase CBX4 antibody produced in rabbit, Anti-Pc2 antibody produced in rabbit, Anti-Polycomb 2 homolog antibody produced in rabbit, Anti-hPc2 antibody produced in rabbit

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About This Item

UNSPSC Code:
12352203
Human Protein Atlas Number:
NACRES:
NA.41

biological source

rabbit

conjugate

unconjugated

antibody form

affinity isolated antibody

antibody product type

primary antibodies

clone

polyclonal

product line

Prestige Antibodies® Powered by Atlas Antibodies

form

buffered aqueous glycerol solution

species reactivity

human

technique(s)

immunohistochemistry: 1:50- 1:200

immunogen sequence

QPEVILLDSDLDEPIDLRCVKTRSEAGEPPSSLQVKPETPASAAVAVAAAAAPTTTAEKPPAEAQDEPAESLSEFKPFFGNIIITDVTANCLTVTFKEYVTV

UniProt accession no.

shipped in

wet ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... CBX4(8535)

General description

Chromobox homolog 4 (CBX4) is an E3 small ubiquitin-like modifier (SUMO)-protein ligase which belongs to the polycomb group (PcG) of multiproteins.

Immunogen

E3 SUMO-protein ligase CBX4 recombinant protein epitope signature tag (PrEST)

Application

All Prestige Antibodies Powered by Atlas Antibodies are developed and validated by the Human Protein Atlas (HPA) project and as a result, are supported by the most extensive characterization in the industry.

The Human Protein Atlas project can be subdivided into three efforts: Human Tissue Atlas, Cancer Atlas, and Human Cell Atlas. The antibodies that have been generated in support of the Tissue and Cancer Atlas projects have been tested by immunohistochemistry against hundreds of normal and disease tissues and through the recent efforts of the Human Cell Atlas project, many have been characterized by immunofluorescence to map the human proteome not only at the tissue level but now at the subcellular level. These images and the collection of this vast data set can be viewed on the Human Protein Atlas (HPA) site by clicking on the Image Gallery link. We also provide Prestige Antibodies® protocols and other useful information.

Biochem/physiol Actions

Chromobox homolog 4 (CBX4) is mainly responsible for formation of large multimeric complexes called polycomb group (PcG) bodies which take part in the repression of gene expression. It is involved in the recruitment of the transcriptional corepressor C-terminal binding protein (CtBP) to PcG bodies and promotes its sumoylation. This facilitates the transfer of SUMO (Small ubiquitin-related modifier) to CtBP. CBX4 also covalently modifies Smad-1 interacting protein 1 (SIP1) by sumoylation and hence acts as a SUMO E3 ligase. E-cadherin repression by SIP1 is partially inhibited due to the sumoylation.

Features and Benefits

Prestige Antibodies® are highly characterized and extensively validated antibodies with the added benefit of all available characterization data for each target being accessible via the Human Protein Atlas portal linked just below the product name at the top of this page. The uniqueness and low cross-reactivity of the Prestige Antibodies® to other proteins are due to a thorough selection of antigen regions, affinity purification, and stringent selection. Prestige antigen controls are available for every corresponding Prestige Antibody and can be found in the linkage section.

Every Prestige Antibody is tested in the following ways:
  • IHC tissue array of 44 normal human tissues and 20 of the most common cancer type tissues.
  • Protein array of 364 human recombinant protein fragments.

Linkage

Corresponding Antigen APREST70925

Physical form

Solution in phosphate-buffered saline, pH 7.2, containing 40% glycerol and 0.02% sodium azide

Legal Information

Prestige Antibodies 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

10 - Combustible liquids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)


Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Visite la Librería de documentos

S Peuget et al.
Cell death and differentiation, 21(7), 1107-1118 (2014-03-13)
Tumor Protein p53-Induced Nuclear Protein 1 (TP53INP1) is a tumor suppressor that modulates the p53 response to stress. TP53INP1 is one of the key mediators of p53 antioxidant function by promoting the p53 transcriptional activity on its target genes. TP53INP1
Jianyin Long et al.
The Journal of biological chemistry, 280(42), 35477-35489 (2005-08-03)
Epithelial-mesenchymal transition (EMT) is important in embryonic development and tumorigenesis. Smad-interacting protein 1 (SIP1) can induce EMT by repressing the transcription of E-cadherin through recruitment of the corepressor C-terminal-binding protein (CtBP). How the activity of SIP1 is regulated still remains
Michael H Kagey et al.
Cell, 113(1), 127-137 (2003-04-08)
Polycomb group (PcG) proteins form large multimeric complexes (PcG bodies) which are involved in the stable repression of gene expression. The human PcG protein, Pc2, has been shown to recruit the transcriptional corepressor, CtBP, to PcG bodies. We show that
Changli Zheng et al.
Oncology reports, 33(3), 1115-1122 (2015-01-22)
MicroRNA-195 (miR-195) plays important roles in tumor metastasis and angiogenesis, yet its function and mechanism of action in hepatocellular carcinoma (HCC) remain to be elucidated. In this study, we aimed to confirm whether chromobox homolog 4 (CBX4) is a direct

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