Anti-CBX4 antibody,Abcam,AB4189

PC2 and other members of the Drosophila Polycomb group gene family are part of a cellular memory system that is responsible for the inheritance of gene activity by progeny cells.

Host

Rabbit

Reactivity

Human

Application

ICC/IF, WB

Platform ID

BAB554934177

Abcam

Headquarters

Discovery Drive Cambridge Biomedical Campus Cambridge CB2 0AX UK

Contact

Tel: +44 (0)1223 696000
Fax: +44 (0)1223 215 215

Product Specifications
Scientific Background

Specifications

NameAnti-CBX4 antibody
Cat. No.AB4189
HostRabbit
IsotypeIgG
ReactivityHuman
ApplicationICC/IF, WB
ClonalityPolyclonal
Concentration1.36 mg/mL Batch dependent concentration
ImmunogenSynthetic Peptide within Human CBX4 aa 50-150. The exact immunogen used to generate this antibody is proprietary information.
PurityAffinity purification Immunogen
Appearance/FormLiquid
ShippingBlue Ice
FormulationpH: 7.2 Preservative: 0.01% Sodium azide Constituents: 0.88% Sodium chloride, 0.424% Potassium phosphate solution
Storage-20°C
Regulatory StatusResearch Use Only

Scientific Background

Target data E3 SUMO-protein ligase which facilitates SUMO1 conjugation by UBE2I (PubMed : 12679040). Involved in the sumoylation of HNRNPK, a p53/TP53 transcriptional coactivator, hence indirectly regulates p53/TP53 transcriptional activation resulting in p21/CDKN1A expression. Monosumoylates ZNF131 (PubMed : 22825850).. Component of a Polycomb group (PcG) multiprotein PRC1-like complex, a complex class required to maintain the transcriptionally repressive state of many genes, including Hox genes, throughout development (PubMed : 12167701, PubMed : 19636380, PubMed : 21282530). PcG PRC1 complex acts via chromatin remodeling and modification of histones; it mediates monoubiquitination of histone H2A 'Lys-119', rendering chromatin heritably changed in its expressibility (PubMed : 12167701, PubMed : 19636380, PubMed : 21282530). Binds to histone H3 trimethylated at 'Lys-9' (H3K9me3) (By similarity). Plays a role in the lineage differentiation of the germ layers in embryonic development (By similarity). See full target information CBX4

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