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Biotinylated Bovine FcRn / FCGRT & B2M Heterodimer Protein

分子别名(Synonym)

FcRn,FCGRT & B2M

表达区间及表达系统(Source)

MABSol® Biotinylated Bovine FcRn Heterodimer Protein (FCN-B82W3) is expressed from human HEK293 cells. It contains AA Ala 24 - Pro 298 (FCGRT) & Ile 21 - Leu 118 (B2M) (Accession # Q3T119-1 (FCGRT) & P01888-1 (B2M)).

Predicted N-terminus: Ala 24 (FCGRT) & Ile 21 (B2M)

蛋白结构(Molecular Characterization)

Precision Avi(Ala 24 - Pro 298 (FCGRT) & Ile 21 - Leu 118 (B2M)) Q3T119-1 (FCGRT) & P01888-1 (B2M)

The subunit FCGRT carries a polyhistidine tag at the C-terminus, followed by an Avi tag (Avitag™). The protein has a calculated MW of 34.5 kDa (FCGRT), 11.6 kDa (B2M) . The protein migrates as 37 kDa (FCGRT), 12 kDa (B2M) respectively on a SDS-PAGE gel under reducing (R) condition due to glycosylation.

标记(Biotinylation)

Biotinylation of this product is performed using Avitag™ technology. Briefly, the single lysine residue in the Avitag is enzymatically labeled with biotin.

蛋白标记度(Biotin:Protein Ratio)

The biotin to protein ratio is 0.5-1 as determined by the HABA assay.

内毒素(Endotoxin)

Less than 1.0 EU per μg by the LAL method.

纯度(Purity)

>90% as determined by SDS-PAGE.

制剂(Formulation)

Lyophilized from 0.22 μm filtered solution in PBS, pH7.4. Normally trehalose is added as protectant before lyophilization.

Contact us for customized product form or formulation.

重构方法(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.

存储(Storage)

For long term storage, the product should be stored at lyophilized state at -20°C or lower.

Please avoid repeated freeze-thaw cycles.

No activity loss was observed after storage at:

  1. 4-8°C for 12 months in lyophilized state;
  2. -70°C for 3 months under sterile conditions after reconstitution.
 

电泳(SDS-PAGE)

Biotinylated Bovine FcRn Heterodimer Protein (Cat. No. FCN-B82W3) SDS-PAGE gel

Biotinylated Bovine FcRn Heterodimer Protein on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 90%.

 

活性(Bioactivity)-ELISA

Biotinylated Human ELISA

Immobilized Ipilumimab at 2 μg/mL (100 μL/well) can bind Biotinylated Bovine FcRn Heterodimer Protein (Cat. No. FCN-B82W3) with a linear range of 2-20 ng/mL (QC tested).

点击申请Protocol

背景(Background)

FCGRT & B2M heterodimer protein (FcRn complex) consist of two subunits: p51 (equivalent to FCGRT), and p14 (equivalent to beta-2-microglobulin), and forms an MHC class I-like heterodimer. Fc fragment of IgG, receptor, transporter, alpha (FCGRT) binds to the Fc region of monomeric immunoglobulins gamma and mediates the uptake of IgG from milk. FCGRT possible role in transfer of immunoglobulin G from mother to fetus. Beta-2-microglobulin (B2M) is a component of the class I major histocompatibility complex (MHC) and involved in the presentation of peptide antigens to the immune system.

 

专利使用说明(Limited Use License)

The Biotin AviTag technology is covered by U.S. Pat. No: 5,874,239 and includes any and all materials, methods, kits and related derivatives claimed by this patent. The purchase of the Acrobiosystems’s Avitag™ proteins confers to the purchaser the limited right to use the Avitag™ technology for non-commercial, or research use, or for purposes of evaluating the Avitag™ technology.

Commercial use of the Avitag™ technology to manufacture a commercial product, or use of the Avitag™ technology to facilitate or advance research which will be applied to the development of a commercial product requires a license from Avidity, LLC. Examples of Commercial use include, but are not limited to biosensors, diagnostics, therapeutic applications, proximity assays, and drug screening assays.

 

前沿进展

货号/价格

FCN-B82W3-25ug / ¥3500

FCN-B82W3-200ug / ¥13800

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