CBX4 / PC2 antibody

Principal name

CBX4 / PC2 antibody

Alternative names for CBX4 / PC2 antibody

Chromobox protein homolog 4, Polycomb 2 homolog, E3 SUMO-protein ligase CBX4

SwissProt ID

O00257 (Human), O55187 (Mouse)

Gene ID

8535 (CBX4), 12418 (Cbx4)

Available reactivities

Bov (Bovine), Can (Canine), Chk (Chicken), Hu (Human), Ms (Mouse), Rt (Rat), Ze (Zebrafish), African clawed frog

Available hosts

Rabbit, Mouse

Available applications

Western blot / Immunoblot (WB), Paraffin Sections (P), Enzyme Immunoassay (E), Immunocytochemistry/Immunofluorescence (ICC/IF), ELISA (detection) (E(detection))

Background of CBX4 / PC2 antibody

PC2 is the human homolog of the Drosophila 'Polycomb' (Pc) protein which has been identified as a gene family member associated with a cellular memory system that is responsible for the inheritance of gene activity by progeny cells. The human Pc homolog gene is more closely related to a Xenopus Pc homolog, XPc, than to a previously described human Pc homolog, CBX2 (hPc1). However, the hPc2 and CBX2/hPc1 proteins are shown to colocalize in interphase nuclei of human U-2 OS osteosarcoma cells, suggesting that the proteins are part of a common protein complex. The human protein is believed to function as a repressor of proto-oncogene activity and that interference with hPc2 function can lead to derepression of proto-oncogene transcription and subsequently to cellular transformation. Other reports describe PC2 as a protein that has SUMO E3 activity for the corepressors CtBP and CtBP2.

General readings

Simon JA and Tamkun JW. Programming off and on states in chromatin: mechanisms of Polycomb and trithorax group complexes. Curr. Opin. Genet. Dev. 2002;12:210-8.

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Primary Antibodies

Catalog No. Host Iso. Clone Pres. React. Applications  

CBX4 / PC2 antibody

  Rabbit polyclonal anti-PC2 antibody  
Analysis shows the detection of human PC2 in probed lysates using Affinity Purified anti-hPC2 antibody. Rabbit Aff - Purified Hu, Ms E, ICC/IF, WB
0.1 mg / €503.00
  OriGene Technologies, Inc.

CBX4 / PC2 (N-term) antibody

  Rabbit Polyclonal CBX4 Antibody  
Western blot analysis of CBX4 in human brain tissue lysate with CBX4 antibody at 1 ug/ml in (A) the absence and (B) the presence of blocking peptide. Rabbit IgG Aff - Purified Hu, Ms, Rt E, ICC/IF, WB
0.1 mg / €371.00
  OriGene Technologies, Inc.

CBX4 / PC2 (95-107) antibody

Colon: Formalin-Fixed Paraffin-Embedded (FFPE) Rabbit Aff - Purified Hu E, ICC/IF, P, WB
50 µg / €380.00
  Acris Antibodies GmbH

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