sTR Antigen

Cat.No.: DCU75

Derived From:
Human Cells
Description:
Recombinant Human Transferrin Receptor Protein 1 is produced by Mammalian expression system and the target gene encoding Leu101-Phe760 is expressed with a 6His tag at the N-terminus.
Accession:
P02786
Names(Known as):
Transferrin receptor protein 1; TR; TfR; Trfr; T9; p90
Quality Control:
Mol Mass:
74.9kDa
AP Mol Mass:
80-90kDa, reducing conditions
Purity:
Greater than 95% as determined by reducing SDS-PAGE.
Formulation:
Supplied as a 0.2 μM filtered solution of 20mM PB, 150mM NaCl, 5% Trehalose, pH7.4.
Shipping:
The product is shipped on dry ice pack. Upon receipt, store it immediately at the temperature listed below.
Storage:
Reconstituted protein solution should be stored at ≤ -20°C.
Purification:
Affinity purification chromatography.
Immunoreactivity:
N.A.
Application:
Immunogen, calibrator or standard.
Background:
Transferrin receptor protein 1 (TFRC) belongs to the peptidase M28 family that is synthesized as a 172 amino acid (aa). TFRC regulated by cellular iron levels through binding of the iron regulatory proteins, IRP1 and IRP2, to iron-responsive elements in the 3'-UTR. It binds one transferrin or HFE molecule per subunit and binds the HLA class II histocompatibility antigen, DR1. It Interacts with SH3BP3 and STEAP3, facilitates TFRC endocytosis in erythroid precursor cells. Cellular uptake of iron occurs via receptor-mediated endocytosis of ligand-occupied transferrin receptor into specialized endosomes. Endosomal acidification leads to iron release. The apotransferrin-receptor complex is then recycled to the cell surface with a return to neutral pH and the concomitant loss of affinity of apotransferrin for its receptor. Transferrin receptor is necessary for development of erythrocytes and the nervous system. A second ligand, the heditary hemochromatosis protein HFE, competes for binding with transferrin for an overlapping C-terminal binding site. It positively regulates T and B cell proliferation through iron uptake.
FOR RESEARCH OR FURTHER MANUFACTURING USE ONLY

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