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Cell Biology Proteolysis / Ubiquitin Proteasome / Ubiquitin Ubiquitin E3 Enzymes SCF Complex E3 Ligase
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Anti-Cullin 4B/CUL-4B antibody (ab245474)

  • Datasheet
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Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Cullin 4B/CUL-4B antibody (ab245474)
  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Cullin 4B/CUL-4B antibody (ab245474)
  • Western blot - Anti-Cullin 4B/CUL-4B antibody (ab245474)

Key features and details

  • Rabbit polyclonal to Cullin 4B/CUL-4B
  • Suitable for: WB, IHC-P
  • Reacts with: Mouse, Human
  • Isotype: IgG

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Secondary
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Goat Anti-Rabbit IgG H&L (HRP) (ab205718)

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Overview

  • Product name

    Anti-Cullin 4B/CUL-4B antibody
    See all Cullin 4B/CUL-4B primary antibodies
  • Description

    Rabbit polyclonal to Cullin 4B/CUL-4B
  • Host species

    Rabbit
  • Tested applications

    Suitable for: WB, IHC-Pmore details
  • Species reactivity

    Reacts with: Mouse, Human
  • Immunogen

    Synthetic peptide within Human Cullin 4B/CUL-4B aa 863-913. The exact sequence is proprietary. NP_003579.3
    Database link: Q13620

  • Positive control

    • WB: HEK-293T, HeLa and jurkat whole cell lysate. IHC-P: Human prostate cancer tissue; Mouse teratoma tissue.
  • General notes

    Reproducibility is key to advancing scientific discovery and accelerating scientists’ next breakthrough.

    Abcam is leading the way with our range of recombinant antibodies, knockout-validated antibodies and knockout cell lines, all of which support improved reproducibility.

    We are also planning to innovate the way in which we present recommended applications and species on our product datasheets, so that only applications & species that have been tested in our own labs, our suppliers or by selected trusted collaborators are covered by our Abpromise™ guarantee.

    In preparation for this, we have started to update the applications & species that this product is Abpromise guaranteed for.

    We are also updating the applications & species that this product has been “predicted to work with,” however this information is not covered by our Abpromise guarantee.

    Applications & species from publications and Abreviews that have not been tested in our own labs or in those of our suppliers are not covered by the Abpromise guarantee.

    Please check that this product meets your needs before purchasing. If you have any questions, special requirements or concerns, please send us an inquiry and/or contact our Support team ahead of purchase. Recommended alternatives for this product can be found below, as well as customer reviews and Q&As.

Properties

  • Form

    Liquid
  • Storage instructions

    Shipped at 4°C. Store at +4°C short term (1-2 weeks). Upon delivery aliquot. Store at -20°C long term. Avoid freeze / thaw cycle.
  • Storage buffer

    pH: 7
    Preservative: 0.09% Sodium azide
    Constituent: Tris citrate/phosphate

    pH 7 to 8
  • Concentration information loading...
  • Purity

    Immunogen affinity purified
  • Purification notes

    ab245474 was affinity purified using an epitope specific to Cullin 4B/CUL-4B immobilized on solid support.
  • Clonality

    Polyclonal
  • Isotype

    IgG
  • Research areas

    • Cell Biology
    • Proteolysis / Ubiquitin
    • Proteasome / Ubiquitin
    • Ubiquitin E3 Enzymes
    • SCF Complex E3 Ligase

Associated products

  • Compatible Secondaries

    • Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) (ab150077)
    • Goat Anti-Rabbit IgG H&L (HRP) (ab205718)
  • Positive Controls

    • HeLa whole cell lysate (ab150035)
    • HeLa whole cell lysate (ab29545)
    • Jurkat whole cell lysate (ab30128)
    • Jurkat whole cell lysate (ab7899)

Applications

Our Abpromise guarantee covers the use of ab245474 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 1/2000 - 1/10000. Predicted molecular weight: 104 kDa.
IHC-P 1/500 - 1/2000. Perform heat mediated antigen retrieval with citrate buffer pH 6 before commencing with IHC staining protocol.

Target

  • Function

    Core component of multiple cullin-RING-based E3 ubiquitin-protein ligase complexes which mediate the ubiquitination and subsequent proteasomal degradation of target proteins. The functional specificity of the E3 ubiquitin-protein ligase complex depends on the variable substrate recognition subunit. CUL4B may act within the complex as a scaffold protein, contributing to catalysis through positioning of the substrate and the ubiquitin-conjugating enzyme. Plays a role as part of the E3 ubiquitin-protein ligase complex in polyubiquitination of CDT1, histone H2A, histone H3 and histone H4 in response to radiation-induced DNA damage. Targeted to UV damaged chromatin by DDB2 and may be important for DNA repair and DNA replication. Required for ubiquitination of cyclin E, and consequently, normal G1 cell cycle progression. Regulates the mammalian target-of-rapamycin (mTOR) pathway involved in control of cell growth, size and metabolism. Specific CUL4B regulation of the mTORC1-mediated pathway is dependent upon 26S proteasome function and requires interaction between CUL4B and MLST8.
  • Pathway

    Protein modification; protein ubiquitination.
  • Involvement in disease

    Defects in CUL4B are the cause of mental retardation syndromic X-linked Cabezas type (MRXC) [MIM:300354]; also known as mental retardation syndromic X-linked type 15. A syndromic form of X-linked mental retardation characterized by severe intellectual deficit associated with short stature, craniofacial dysmorphism, small testes, muscle wasting in lower legs, kyphosis, joint hyperextensibility, pes cavus, small feet, and abnormalities of the toes. Additional neurologic manifestations include speech delay and impairment, tremor, seizures, gait ataxia, hyperactivity and decreased attention span.
  • Sequence similarities

    Belongs to the cullin family.
  • Post-translational
    modifications

    Neddylated. Deneddylated via its interaction with the COP9 signalosome (CSN) complex.
  • Cellular localization

    Nucleus.
  • Target information above from: UniProt accession Q13620 The UniProt Consortium
    The Universal Protein Resource (UniProt) in 2010
    Nucleic Acids Res. 38:D142-D148 (2010) .

    Information by UniProt
  • Database links

    • Entrez Gene: 8450 Human
    • Entrez Gene: 72584 Mouse
    • Omim: 300304 Human
    • SwissProt: Q13620 Human
    • SwissProt: A2A432 Mouse
    • Unigene: 102914 Human
    • Unigene: 327675 Mouse
    • Alternative names

      • CUL 4B antibody
      • CUL-4B antibody
      • CUL4B antibody
      • CUL4B_HUMAN antibody
      • Cullin-4B antibody
      • DKFZp686F1470 antibody
      • KIAA0695 antibody
      • MRXHF2 antibody
      • MRXSC antibody
      • SFM2 antibody
      see all

    Images

    • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Cullin 4B/CUL-4B antibody (ab245474)
      Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Cullin 4B/CUL-4B antibody (ab245474)

      Formalin-fixed, paraffin-embedded mouse teratoma tissue stained for Cullin 4B/CUL-4B using ab245474 at 1/1000 dilution in immunohistochemical analysis. DAB staining.

    • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Cullin 4B/CUL-4B antibody (ab245474)
      Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Cullin 4B/CUL-4B antibody (ab245474)

      Formalin-fixed, paraffin-embedded Human prostate carcinoma tissue stained for Cullin 4B/CUL-4B using ab245474 at 1/1000 dilution in immunohistochemical analysis. DAB staining.

    • Western blot - Anti-Cullin 4B/CUL-4B antibody (ab245474)
      Western blot - Anti-Cullin 4B/CUL-4B antibody (ab245474)
      All lanes : Anti-Cullin 4B/CUL-4B antibody (ab245474) at 0.1 µg/ml

      Lane 1 : HEK-293T (human epithelial cell line from embryonic kidney transformed with large T antigen) whole cell lysate at 50 µg
      Lane 2 : HEK-293T (human epithelial cell line from embryonic kidney transformed with large T antigen) whole cell lysate at 15 µg
      Lane 3 : HeLa (human epithelial cell line from cervix adenocarcinoma) whole cell lysate at 50 µg
      Lane 4 : Jurkat (human T cell leukemia cell line from peripheral blood) whole cell lysate at 50 µg

      Developed using the ECL technique.

      Predicted band size: 104 kDa


      Exposure time: 3 minutes

    Protocols

    To our knowledge, customised protocols are not required for this product. Please try the standard protocols listed below and let us know how you get on.

    Click here to view the general protocols

    Datasheets and documents

    • Datasheet
  • References (0)

    Publishing research using ab245474? Please let us know so that we can cite the reference in this datasheet.

    ab245474 has not yet been referenced specifically in any publications.

    Customer reviews and Q&As

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