• Product name

  • Description

    Mouse polyclonal to EID1
  • Host species

  • Tested applications

    Suitable for: WB, ICC/IFmore details
  • Species reactivity

    Reacts with: Human
    Predicted to work with: Chimpanzee, Rhesus monkey, Gorilla, Orangutan
  • Immunogen

    Recombinant full length protein, corresponding to amino acids 1-187 of Human EID1 (NP_055150.1).

  • Positive control

    • EID1 transfected 293T cell line lysate, HeLa cells



Our Abpromise guarantee covers the use of ab167290 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

Application Abreviews Notes
WB Use a concentration of 1 µg/ml. Predicted molecular weight: 21 kDa.
ICC/IF Use a concentration of 10 µg/ml.


  • Function

    Interacts with RB1 and EP300 and acts as a repressor of MYOD1 transactivation. Inhibits EP300 and CBP histone acetyltransferase activity. May be involved in coupling cell cycle exit to the transcriptional activation of genes required for cellular differentiation. May act as a candidate coinhibitory factor for NR0B2 that can be directly linked to transcription inhibitory mechanisms.
  • Tissue specificity

    Widely expressed. Most abundantly expressed in heart, skeletal muscle, pancreas, brain and testis. Expressed at much lower levels in placenta and peripheral blood leukocyte. Barely detectable in lung. Also weakly expressed in lung carcinoma A549 and various leukemia cell lines.
  • Developmental stage

    Expression decreased with development in ventricular tissue while remaining highly expressed in adult atrial tissue. In primary cultures of human skeletal myocytes, expression decreased during myogenic differentiation (at protein level).
  • Post-translational

    Ubiquitinated in U-2OS osteosarcoma cells and is rapidly degraded by proteasome as cells exit the cell cycle exit.
  • Cellular localization

    Nucleus. Cytoplasm. May shuttle between nucleus and cytoplasm.
  • Information by UniProt
  • Database links

  • Alternative names

    • 21 kDa pRb associated protein antibody
    • 21 kDa pRb-associated protein antibody
    • C15orf3 antibody
    • CBP antibody
    • Chromosome 15 open reading frame 3 antibody
    • CREBBP/EP300 inhibitor 1 antibody
    • CREBBP/EP300 inhibitory protein 1 antibody
    • CRI 1 antibody
    • CRI1 antibody
    • E1A like inhibitor of differentiation antibody
    • E1A-like inhibitor of differentiation 1 antibody
    • EID 1 antibody
    • EID-1 antibody
    • EID1 antibody
    • EID1_HUMAN antibody
    • EP300 interacting inhibitor of differentiation 1 antibody
    • EP300-interacting inhibitor of differentiation 1 antibody
    • IRO45620 antibody
    • MGC138883 antibody
    • MGC138884 antibody
    • NB4 apoptosis related protein antibody
    • PNAS 22 antibody
    • PNAS22 antibody
    • PTD014 antibody
    • Rb and p300 binding protein EID 1 antibody
    • Rb and p300 binding protein EID1 antibody
    • RBP21 antibody
    • Retinoblastoma protein associated protein antibody
    see all


  • All lanes : Anti-EID1 antibody (ab167290) at 1 µg/ml

    Lane 1 : EID1 transfected 293T cell line lysate
    Lane 2 : Non-transfected 293T cell line lysate

    Lysates/proteins at 15 µl per lane.

    Predicted band size: 21 kDa

  • Immunofluorescent analysis of HeLa cells labeling EID1 with ab167290 at 10 µg/ml.


ab167290 has not yet been referenced specifically in any publications.

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