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CBX1 Antibody

Rabbit Polyclonal Antibody

  • WB - CBX1 Antibody ABV11139
    WB of various cell extracts with CBX1 pAb.
Product Information
  • Applications Legend:
  • WB=Western Blot
  • IHC=Immunohistochemistry
  • IHC-P=Immunohistochemistry (Paraffin-embedded Sections)
  • IHC-F=Immunohistochemistry (Frozen Sections)
  • IF=Immunofluorescence
  • FC=Flow Cytopmetry
  • IC=Immunochemistry
  • ICC=Immunocytochemistry
  • IP=Immunoprecipitation
  • DB=Dot Blot
  • CHIP=Chromatin Immunoprecipitation
  • FA=Fluorescence Assay
  • IEM=Immunoelectronmicroscopy
  • EIA=Enzyme Immunoassay
Primary Accession P83916
Reactivity Human, Mouse, Rat
Host Rabbit
Clonality Polyclonal
Isotype Rabbit IgG
Calculated MW 21418 Da
Additional Information
Gene ID 10951
Positive Control Western Blot: Various cell lysates
Application & Usage Western blot: 1:500 – 1:1000
Other Names M31, MOD1, p25beta.
Target/Specificity CBX1
Antibody Form Liquid
Appearance Colorless liquid
Formulation 100 µg of antibody in 100 µl PBS containing 0.02% sodium azide, 50% glycerol, pH 7.3
Handling The antibody solution should be gently mixed before use.
Reconstitution & Storage -20 °C
Background Descriptions
PrecautionsCBX1 Antibody is for research use only and not for use in diagnostic or therapeutic procedures.
Protein Information
Name CBX1
Synonyms CBX
Function Component of heterochromatin. Recognizes and binds histone H3 tails methylated at 'Lys-9', leading to epigenetic repression. Interaction with lamin B receptor (LBR) can contribute to the association of the heterochromatin with the inner nuclear membrane.
Cellular Location Nucleus. Note=Unassociated with chromosomes during mitosis
Tissue Location Expressed in all adult and embryonic tissues.
Citations (0)

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Heterochromatin protein 1 (HP1) is a family of heterochromatic adaptor molecules involved in both gene silencing and higher order chromatin structure. All three HP1 family members (α, β, and γ) are primarily associated with centromeric heterochromatin; However, HP1β and γ also localize to euchromatic sites in the genome. HP1 proteins are approximately 25 kDa in size and contain a conserved amino terminal chromodomain, followed by a variable hinge region and a conserved carboxy­terminal chromoshadow domain. The chromodomain facilitates binding to histone H3 tri­methylated at Lys9, a histone "mark" closely associated with centromeric heterochromatin. The variable hinge region binds both RNA and DNA in a sequence independent manner. The chromoshadow domain mediates the dimerization of HP1 proteins, in addition to binding multiple proteins  implicated in gene silencing and heterochromatin  formation, including the SUV39H histone methyltransferase, the DNMT1 and DNMT3a DNA  methyltransferases, and the p150 subunit of chromatin­assembly factor­1 (CAF1). In addition to contributing to heterochromatin formation and propagation, HP1 and SUV39H are also found complexed with retinoblastoma (Rb) and E2F6 proteins, both of which function to repress euchromatic gene transcription in quiescent cells. HP1 proteins are subject to multiple types of post­translational modifications, including phosphorylation, acetylation, methylation, ubiquitination, and sumoylation, suggesting multiple means of regulation.

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$ 335.00
Cat# ABV11139
(40 western blots)
Availability: 5-7days
Bulk Size
Seasonal Special on Bulk Order
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