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Your Position: Home > Bio-Markers & CD Antigens > Human-ErbB-3-HER3-Protein

Human ErbB3 / Her3 Protein

  • Synonym
    ERBB3,HER3,LCCS2,MDA-BF-1,MGC88033,c-erbB3,erbB3-S,p180-ErbB3,p45-sErbB3,p85-sErbB3
  • Source
    Human ErbB3, His Tag (ER3-H5223) is expressed from human 293 cells (HEK293). It contains AA Ser 20 - Thr 643 (Accession # NP_001973.2).
    Predicted N-terminus: Ser 20
  • Molecular Characterization
    ErbB3(Ser 20 - Thr 643) NP_001973.2

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

    The protein has a calculated MW of 71.5 kDa. The protein migrates as 100-110 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

  • 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
Human ErbB3, His Tag (Cat. No. ER3-H5223) SDS-PAGE gel

Human ErbB3, 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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