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Your Position: Home > Bio-Markers & CD Antigens > beta 2-Microglobulin > Rat Beta-2 microglobulin /B2M Protein

Rat beta 2-Microglobulin / B2M Protein

  • Synonym
    B2M
  • Source
    Rat beta 2-Microglobulin, His Tag (B2M-R5229) is expressed from human 293 cells (HEK293). It contains AA Ile 21 - Met 119 (Accession # NP_036644).
    Predicted N-terminus: Ile 21
  • Molecular Characterization
    B2M(Ile 21 - Met 119) NP_036644

    This protein carries a polyhistidine tag at the C-terminus.

    The protein has a calculated MW of 12.5 kDa. The protein migrates as 15 kDa under reducing (R) condition (SDS-PAGE).

  • Endotoxin
    Less than 1.0 EU per μg by the LAL method.
  • Purity

    >95% as determined by SDS-PAGE.

  • Formulation

    Lyophilized from 0.22 μm filtered solution in PBS, pH7.4. Normally trehalose is added as protectant before lyophilization.

    Contact us for customized product form or formulation.

  • Reconstitution

    Please see Certificate of Analysis for specific instructions.

    For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

  • Storage

    For long term storage, the product should be stored at lyophilized state at -20°C or lower.

    Please avoid repeated freeze-thaw cycles.

    No activity loss is observed after storage at:

    1. 4-8°C for 12 months in lyophilized state;
    2. -70°C for 3 months under sterile conditions after reconstitution.
SDS-PAGE
Rat beta 2-Microglobulin, His Tag (Cat. No. B2M-R5229) SDS-PAGE gel

Rat beta 2-Microglobulin, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 95%.

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