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WB analysis of MCF cells with DNA damage using GTX00677 MDMX (phospho Ser367) antibody [#15]. MCF cells were preincubated with the proteasome inhibitor MG132 (20 microM) followed by exposed to DNA damaging agents adriamycin (3 microM) or etoposide (20 microM). The cell lysates were used for immunoprecipitation with anti-MdmX antibody and then analyzed by Western blotting.Induction of S367 phosphorylation after DNA damage is associated with increased binding of 14-3-3 to MdmX and accelerated MdmX degradation.
WB analysis of MCF cells with DNA damage using GTX00677 MDMX (phospho Ser367) antibody [#15]. MCF cells were preincubated with the proteasome inhibitor MG132 (20 microM) followed by exposed to DNA damaging agents adriamycin (3 microM) or etoposide (20 microM). The cell lysates were used for immunoprecipitation with anti-MdmX antibody and then analyzed by Western blotting.Induction of S367 phosphorylation after DNA damage is associated with increased binding of 14-3-3 to MdmX and accelerated MdmX degradation.
WB analysis of MCF cells with DNA damage using GTX00677 MDMX (phospho Ser367) antibody [#15]. MCF cells were preincubated with the proteasome inhibitor MG132 (20 microM) followed by exposed to DNA damaging agents adriamycin (3 microM) or etoposide (20 microM). The cell lysates were used for immunoprecipitation with anti-MdmX antibody and then analyzed by Western blotting.Induction of S367 phosphorylation after DNA damage is associated with increased binding of 14-3-3 to MdmX and accelerated MdmX degradation.

MDMX (phospho Ser367) antibody [#15]

GTX00677
GeneTex
ApplicationsImmunoFluorescence, ImmunoPrecipitation, Western Blot, ELISA, ImmunoCytoChemistry
Product group Antibodies
TargetMDM4
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Overview

  • Supplier
    GeneTex
  • Product Name
    MDMX (phospho Ser367) antibody [#15] - Orthogonal Validated
  • Delivery Days Customer
    9
  • Application Supplier Note
    WB: ~1 microg/ml. *Optimal dilutions/concentrations should be determined by the researcher.Not tested in other applications.
  • Applications
    ImmunoFluorescence, ImmunoPrecipitation, Western Blot, ELISA, ImmunoCytoChemistry
  • Certification
    Research Use Only
  • Clonality
    Monoclonal
  • Clone ID
    #15
  • Concentration
    1 mg/ml
  • Conjugate
    Unconjugated
  • Gene ID4194
  • Target name
    MDM4
  • Target description
    MDM4 regulator of p53
  • Target synonyms
    BMFS6; double minute 4, human homolog of; p53-binding protein; HDMX; mdm2-like p53-binding protein; Mdm4 p53 binding protein homolog; MDM4 protein variant G; MDM4 protein variant Y; MDM4, p53 regulator; MDM4-related protein 1; MDMX; MRP1; protein Mdm4; protein Mdmx
  • Host
    Mouse
  • Isotype
    IgG2b
  • Protein IDO15151
  • Protein Name
    Protein Mdm4
  • Scientific Description
    This gene encodes a nuclear protein that contains a p53 binding domain at the N-terminus and a RING finger domain at the C-terminus, and shows structural similarity to p53-binding protein MDM2. Both proteins bind the p53 tumor suppressor protein and inhibit its activity, and have been shown to be overexpressed in a variety of human cancers. However, unlike MDM2 which degrades p53, this protein inhibits p53 by binding its transcriptional activation domain. This protein also interacts with MDM2 protein via the RING finger domain, and inhibits the latters degradation. So this protein can reverse MDM2-targeted degradation of p53, while maintaining suppression of p53 transactivation and apoptotic functions. Alternatively spliced transcript variants encoding different isoforms have been noted for this gene. [provided by RefSeq, Feb 2011]
  • Storage Instruction
    -20°C or -80°C,2°C to 8°C
  • UNSPSC
    12352203

References

  • DNA damage-induced phosphorylation of MdmX at serine 367 activates p53 by targeting MdmX for Mdm2-dependent degradation. Okamoto K et al., 2005 Nov, Mol Cell Biol
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Figure 1. Western blot analysis of MDMX/MDM4 using anti-MDMX/MDM4 antibody (A01889-2). Electrophoresis was performed on a 5-20% SDS-PAGE gel at 70V (Stacking gel) / 90V (Resolving gel) for 2-3 hours. The sample well of each lane was loaded with 30 ug of sample under reducing conditions. Lane 1: human Hela whole cell lysates, Lane 2: human A549 whole cell lysates, Lane 3: human A431 whole cell lysates, Lane 4: human MCF-7 whole cell lysates. After electrophoresis, proteins were transferred to a nitrocellulose membrane at 150 mA for 50-90 minutes. Blocked the membrane with 5% non-fat milk/TBS for 1.5 hour at RT. The membrane was incubated with rabbit anti-MDMX/MDM4 antigen affinity purified polyclonal antibody (Catalog # A01889-2) at 0.5 microg/mL overnight at 4°C, then washed with TBS-0.1%Tween 3 times with 5 minutes each and probed with a goat anti-rabbit IgG-HRP secondary antibody at a dilution of 1:5000 for 1.5 hour at RT. The signal is developed using an Enhanced Chemiluminescent detection (ECL) kit (Catalog # EK1002) with Tanon 5200 system. A specific band was detected for MDMX/MDM4 at approximately 55 kDa. The expected band size for MDMX/MDM4 is at 55 kDa.
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