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Invitrogen™ MagicMark™ XP Western Protein Standard DFS Item

Specifically designed for easy and convenient protein molecular weight estimation directly on Western blots

Manufacturer:  Invitrogen™ LSLC5603

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Catalog No. LC5603



The MagicMark™ XP Western Protein Standard consists of nine recombinant proteins, each of which contains an IgG binding site. The IgG binding site binds the primary or secondary antibody used for detection of the target protein, allowing direct visualization of the standard on the Western blot. The MagicMark XP Standard is compatible with all Western kits and substrates (chemiluminescent, chromogenic, and fluorescent).

  • Direct visualization of molecular weight standard bands on Western blots with the commonly used immunodetection method
  • Nine sharp clear bands in even increments from 20 to 220kDa
  • Convenient, ready-to-use format no mixing, reducing, or heating
  • Gel Compatibility: Bolt Bis-Tris Plus Gels, NovexTricine Gels, NovexTris-Glycine Gels, NuPAGE Bis-Tris Gels, NuPAGE Tris-Acetate Gels, SDS-PAGE Gels
  • Bands can also be visualized with Coomassie or membrane stains, if needed

1D Gel Electrophoresis, Protein Gel Electrophoresis, Protein Gel Staining and Imaging, Proteins, Expression, Isolation and Analysis, Western Blotting



User defined detection system
20 to 220 kDa
50μL of ready-to-use standardmixture is provided in a plastic vial; Loading buffer consists of 125mM Tris-HCl (pH 6.8), 10mM DTT, 17.4% Glycerol, 3% SDS, and 0.025% Bromophenol Blue
50 µl of ready-to-use standard mixture is provided in a plastic vial. Loading buffer consists of 125 mM Tris-HCl (pH 6.8), 10 mM DTT, 17.4% Glycerol, 3% SDS, and 0.025% Bromophenol Blue. Store at -20°C.
Novex® Tricine Gels, Novex® Tris-Glycine Gels, NuPAGE® Bis-Tris Gels, NuPAGE® Tris-Acetate Gels, SDS-PAGE Gels
Dry Ice
Western Blotting, SDS-PAGE
220, 120, 100, 80, 60, 50, 40, 30, 20 kDa
50 μL

For Research Use Only. Not for use in diagnostic procedures.