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公司新闻/正文

Fc受体蛋白 Fc Receptor Proteins

4593 人阅读发布时间:2016-10-25 12:10

General Description

治疗性抗体的功效不仅取决于Fab片段和它结合靶抗原的活性,还取决于Fc片段及其与Fc受体的相互作用。 根据Fc片段与FcRn受体(FCGRT和B2M)的亲和力可以预测抗体的半衰期,而Fc片段和FCGRIIIA(CD16a)的结合会影响抗体引起抗体依赖的细胞介导的细胞毒性作用(Antibody-Dependent Cell-mediated Cytotoxicity)的能力。因此,优化抗体结构,从而得到Fc受体亲和力最优的抗体,是发展治疗性单克隆抗体中的一个重要步骤。
 

Product List 

Molecule Catalog No. Species Product Name
FcRn / FCGRT & B2M FCM-H5286 Human FcRn / FCGRT & B2M Heterodimer Protein
FCM-H8286 Human  Biotinylated FcRn / FCGRT & B2M, ultra sensitivity (primary amine labeling)
FCM-H82W4 Human  Biotinylated FcRn / FCGRT & B2M, Avi Tag (Avitag™)
FCM-M52W2 Mouse FcRn / FCGRT & B2M Heterodimer Protein
FCM-M82W6 Mouse  Biotinylated FcRn / FCGRT & B2M, Avi Tag (Avitag™)
FCM-R5287 Rat FcRn / FCGRT & B2M Heterodimer Protein
FCM-R82W7 Rat  Biotinylated FcRn / FCGRT & B2M, Avi Tag (Avitag™)
FCM-C5284 Cynomolgus FcRn / FCGRT & B2M Heterodimer Protein
FCM-C82W5 Cynomolgus  Biotinylated FcRn / FCGRT & B2M, Avi Tag (Avitag™)
FCM-P5280 Porcine FcRn / FCGRT & B2M Heterodimer Protein
Fc gamma RIIIA / CD16a CD8-H52H4 Human FCGR3A / CD16a (V158) Protein
CDA-H5220 Human FCGR3A / CD16a (F158) Protein
CDA-H82E8 Human  Biotinylated Fc gamma RIIIA / CD16a (F158), Avi Tag (Avitag™)
CDA-H82E9 Human  Biotinylated Fc gamma RIIIA / CD16a (V158), Avi Tag (Avitag™)
CDA-M52H8 Mouse FCGR3A / CD16a Protein
Fc gamma RIIIB / CD16b CDB-H5222 Human Fc gamma RIIIB / CD16b Protein
CDB-H82E1 Human  Biotinylated Fc gamma RIIIB / CD16b, Avi Tag (Avitag™)
Fc gamma RIIA / CD32a CD1-H5223 Human FcGR2A / CD32a (H131) Protein
CDA-H5221 Human Fc gamma RIIA / CD32a (R131) Protein
CDA-H82E6 Human  Biotinylated Fc gamma RIIA / CD32a (H131), Avi Tag (Avitag™)
CDA-H82E7 Human  Biotinylated Fc gamma RIIA / CD32a (R131), Avi Tag (Avitag™)
Fc gamma RIIB / CD32b CDB-H5228 Human Fc gamma RIIB / CD32b Protein
CDB-H82E0 Human  Biotinylated Fc gamma RIIB / CD32b, Avi Tag (Avitag™)
CDB-M52H7 Mouse Fc gamma RIIB / CD32b Protein
CDB-M82E8 Mouse  Biotinylated Fc gamma RIIB / CD32b, Avi Tag (Avitag™)
Fc gamma RI / CD64 FCA-H52H2 Human Fc gamma RI / CD64 Protein
FCA-H82E2 Human  Biotinylated Fc gamma RI / CD64, Avi Tag (Avitag™)
CD4-M5227 Mouse Fc gamma RI / CD64 Protein
CD4-M52E8 Mouse  Biotinylated Fc gamma RI / CD64, Avi Tag (Avitag™)
CD23 CD3-H5249 Human CD23 / Fc epsilon RII Protein



Why Choose Us

 Authentic Human Cell-Expressed Proteins
 High Quality Materials


The consistency in purity and bioactivity is essential in the successful production of biotinylated proteins. All our proteins are evaluated by a variety of methods throughout the production process to ensure all relevant requirements are met.
 

新闻图片1

The purity of human FcRn (FCM-H5286) was greater than 95% as determined in a HPLC analysis.



 Biotinylated Proteins Available

The use of biotin labeling can make your assay development much easier. We offer a variety of ready-to-use biotinylated Fc receptors. These proteins are produced using our in-house developed labeling techniques, which confers high bioactivity and minimal batch-to-batch variation.

 

Biotinylated Human FcRn / FCGRT & B2M, Avi Tag (Avitag™) (Cat.# FCM-H82W4) coupled to SA coated sensor chip can bind Herceptin with an affinity constant of 2.24 μM as determined in a SPR assay (Biacore 2000). The data is generally provided by Biaffin GmbH &Co KG, Germany



 Binding Activity Validated


The binding activity of our Fc receptors have been thoroughly evaluated by both SPR and ELISA analyses prior to launch.

Immobilized human FcRn (FCM-H5286) can bind human IgG1 with an affinity constant of 1 μM as determined in a SPR assay (Biacore 2000). The data is generally provided by Biaffin GmbH &Co KG, Germany.

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