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FCGRT & B2M Heterodimer Protein, Human, Recombinant (His & Avi), Biotinylated

(Synonyms: α-chain, FCRN, Fc fragment of IgG, receptor, transporter, α, Fc fragment of IgG, receptor, transporter, alpha, alpha-chain) Copy Product Info

Synonyms: α-chain, FCRN, Fc fragment of IgG, receptor, transporter, α, Fc fragment of IgG, receptor, transporter, alpha, alpha-chain

Catalog No. TMPY-05448 Copy Product Info
FCGRT & B2M Heterodimer Protein, Human, Recombinant (His & Avi), Biotinylated is expressed in HEK293 mammalian cells with His and Avi tag. The predicted molecular weight is 45.3 kDa and the accession number is NP_004098.1&NP_004039.1.

Product Introduction

Bioactivity
Bioactivity
1. Measured by its ability to bind human IgG1 (Fc) in a functional ELISA. 2.Loaded Biotinylated Human FcRn recombinant protein (His & Avi Tag) on SA Biosensor, can bind IgG1 Fc (IgG1) with an affinity constant of 0.073 μM as determined in a BLI assay. 3.Loaded Biotinylated Human FcRn recombinant protein (His & Avi Tag) on SA Biosensor, can bind IgG4 Fc with an affinity constant of 0.070 μM as determined in a BLI assay. 4. The purity of Human FCGRT & B2M Heterodimer Protein (His & AVI Tag), Biotinylated is more than 95% and the molecular weight of this protein is around 46-56 kDa verified by SEC-MALS.
Description
FCGRT & B2M Heterodimer Protein, Human, Recombinant (His & Avi), Biotinylated is expressed in HEK293 mammalian cells with His and Avi tag. The predicted molecular weight is 45.3 kDa and the accession number is NP_004098.1&NP_004039.1.
Species
Human
Expression System
HEK293 Cells
TagHis, Avi
Accession NumberNP_004098.1&NP_004039.1
ConstructionA DNA sequence encoding the extracellular domain (Met1-Ser297) of human FCGRT (NP_004098.1) was fused with a C-terminal polyhistidine tagged AVI tag at the C-terminus, constructed the plasmid 1; A DNA sequence encoding the human B2M (NP_004039.1) (Met1-Met119) constructed the plasmid 2. The two plasmids were co-expressed and the human FCGRT/B2M heterodimer was purified. The purified heterodimer was biotinylated in vivo by the Biotin-Protein ligase (BirA enzyme) which is co-expressed. Predicted N terminal: Ala 24 & Ile 21
Protein Purity
> 95 % as determined by SDS-PAGE. > 90 % as determined by SEC-HPLC
Endotoxin< 1.0 EU/μg of the protein as determined by the LAL method.
FormulationLyophilized from a solution filtered through a 0.22 μm filter, containing PBS, pH 7.4. Typically, a mixture containing 5% to 8% trehalose, mannitol, and 0.01% Tween 80 is incorporated as a protective agent before lyophilization.
ReconstitutionA Certificate of Analysis (CoA) containing reconstitution instructions is included with the products. Please refer to the CoA for detailed information.
Synonymsα-chain, FCRN, Fc fragment of IgG, receptor, transporter, α, Fc fragment of IgG, receptor, transporter, alpha, alpha-chain
Chemical Properties
Molecular Weight45.3 kDa (predicted)
Storage & Solubility Information
ShippingIn general, lyophilized powders are shipped with blue ice, while solutions are shipped with dry ice.
StorageIt is recommended to store recombinant proteins at -20°C to -80°C for future use. Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at -80°C. For reconstituted protein solutions, the solution can be stored at -20°C to -80°C for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots.

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Keywords

Related Tags: FCGRT & B2M Heterodimer Protein, Human, Recombinant (His & Avi), Biotinylated chemical structure | FCGRT & B2M Heterodimer Protein, Human, Recombinant (His & Avi), Biotinylated molecular weight