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Your Position: Home > Protein > Transferrin R > TFR-H5264

Human Transferrin R / CD71 Protein, Fc Tag (MALS verified)

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  • Synonym
    CD71,TFRC,TFR,sTfR,TfR1,Trfr,T9,p90
  • Source
    Human Transferrin R Protein, Fc Tag(TFR-H5264) is expressed from human 293 cells (HEK293). It contains AA Cys 89 - Phe 760 (Accession # P02786-1).
    Predicted N-terminus: Cys 89
  • Molecular Characterization
    Transferrin R Structure

    This protein carries a human IgG1 Fc tag at the C-terminus.

    The protein has a calculated MW of 101.6 kDa. The protein migrates as 95-120 kDa when calibrated against Star Ribbon Pre-stained Protein Marker 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 with trehalose as protectant.

    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.

    This product is stable after storage at:

    1. -20°C to -70°C for 12 months in lyophilized state;
    2. -70°C for 3 months under sterile conditions after reconstitution.
SDS-PAGE
Transferrin R SDS-PAGE

Human Transferrin R Protein, Fc Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95% (With Star Ribbon Pre-stained Protein Marker).

SEC-MALS
Transferrin R MALS images

The purity of Human Transferrin R Protein, Fc Tag (Cat. No. TFR-H5264) is more than 85% and the molecular weight of this protein is around 200-240 kDa verified by SEC-MALS.

Bioactivity-ELISA
 Transferrin R ELISA

Immobilized Human Transferrin Protein, His Tag (Cat. No. TRN-H52H3) at 2 μg/mL (100 μL/well) can bind Human Transferrin R Protein, Fc Tag (Cat. No. TFR-H5264) with a linear range of 0.039-0.625 μg/mL (QC tested).

Bioactivity-SPR
 Transferrin R SPR

Human Transferrin R Protein, Fc Tag (Cat. No. TFR-H5264) captured on Protein A Chip can bind Human Transferrin, His Tag (Cat. No. TRN-H4229) with an affinity constant of 0.491 μM as determined in a SPR assay (Biacore 8K) (Routinely tested).

  • Background
    CD antigen CD71 is also known as Transferrin receptor protein 1, TfR, sTfR, p90, TfR1, Trfr, which belongs to the peptidase M28 family and M28B subfamily. CD71 /TFR contains one PA (protease associated) domain. CD71 / TfR1 is required for iron delivery from transferrin to cells. CD71 is a potential new target in cases of human leukomia & lymphoma. CD71 /TFRC / TfR has been shown to interact with GABARAP and HFE.
  • Clinical and Translational Updates

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