Product Details
Synonyms
CD71, TFRC, TFR, sTfR, TfR1, Trfr, T9, p90
Source
Biotinylated Mouse Transferrin R Protein, Avitag,His Tag (TFR-M82E3) is expressed from human 293 cells (HEK293). It contains AA Cys 89 - Phe 763 (Accession # Q62351-1).
Predicted N-terminus: Gly
Request for sequenceMolecular Characterization

Other Tags and Version Biotin & Other Labeled Version
This protein carries an Avi tag (Avitag™) at the N-terminus, followed by a polyhistidine tag.
The protein has a calculated MW of 79.5 kDa. The protein migrates as 85-95 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.
The protein is designed as a dimer.
Labeling
Biotinylation of this product is performed using Avitag™ technology. Briefly, the single lysine residue in the Avitag is enzymatically labeled with biotin.
Protein Ratio
Passed as determined by the HABA assay / binding ELISA.
Purity
>95% as determined by SDS-PAGE.
>95% as determined by SEC-MALS.
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

Biotinylated Mouse Transferrin R Protein, Avitag,His 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

The purity of Biotinylated Mouse Transferrin R Protein, Avitag,His Tag (Cat. No. TFR-M82E3) is more than 95% and the molecular weight of this protein is around 145-180 kDa verified by SEC-MALS.
Report
Bioactivity-ELISA

Immobilized Biotinylated Mouse Transferrin R Protein, His,Avitag (Cat. No. TFR-M82E3) at 1 μg/mL (100 μL/well) on streptavidin (Cat. No. STN-N5116) precoated (0.5 μg/well) plate can bind Mouse Transferrin Protein, Mouse IgG2a Fc Tag (Cat. No. TRN-M525b) with a linear range of 0.2-6 ng/mL (QC tested).
Protocol
Immobilized Human Transferrin Protein, His Tag (Cat. No. TRN-H52H3) at 5 μg/mL (100 μL/well) can bind Biotinylated Mouse Transferrin R Protein, His,Avitag (Cat. No. TFR-M82E3) with a linear range of 0.1-16 ng/mL (Routinely tested).
Protocol
Customer Reviews Writing Reviews
S*** 2025-11-18Likes
Used this material as a captured ligand in routine SPR testing on a Biacore. Material is clean, consistent, and easy to work with, and can be used to generate quality data
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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