Product Details
Synonyms
CD71, TFRC, TFR, sTfR, TfR1, Trfr, T9, p90
Source
Mouse Transferrin R Protein, Fc Tag (TFR-M5263) is expressed from human 293 cells (HEK293). It contains AA Cys 89 - Phe 763 (Accession # Q62351-1).
Predicted N-terminus: Pro
Request for sequenceMolecular Characterization

Other Tags and Version Biotin & Other Labeled Version
This protein carries a human IgG1 Fc tag at the N-terminus.
The protein has a calculated MW of 102.3 kDa. The protein migrates as 105-125 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 / rFC method.
Purity
>90% 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:
- -20°C to -70°C for 12 months in lyophilized state;
- -70°C for 3 months under sterile conditions after reconstitution.
ACRO Quality Management System
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Performance Data
SDS-PAGE

Mouse 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 90% (With Star Ribbon Pre-stained Protein Marker).
SEC-MALS

The purity of Mouse Transferrin R Protein, Fc Tag (Cat. No. TFR-M5263) is more than 85% and the molecular weight of this protein is around 200-250 kDa verified by SEC-MALS.
Report
Bioactivity-ELISA

Immobilized Mouse Transferrin Protein, Mouse IgG2a Fc Tag (Cat. No. TRN-M525b) at 2 μg/mL (100 μL/well) can bind Mouse Transferrin R Protein, Fc Tag (Cat. No. TFR-M5263) with a linear range of 0.1-8 ng/mL (QC tested).
Protocol
Customer Reviews Writing Reviews
***a2026-05-29Likes
Was purchased for use in BLI, both for immobilization onto human fc binding sensors and as analyte with a biotin-labeled TfR-targeting nanobody on streptavidin. Retested for use after 1.5 years storage at -80 and still had full functional activity.
Background
Recent Advances
- English Name:
Transferrin receptor protein 1
- Category:
- Approved Drugs:
1 Details
- Drugs in Clinical Trials:
15 Details
- Highest Development Stage:
Approved
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