Human CD3E&CD3D Heterodimer Protein, Fc,His Tag&Fc,Flag Tag is produced by co-expression of CD3E and CD3D, has a calculated MW of 39.2 kDa (CD3E) and 37.5 kDa (CD3D) . Subunit CD3E is fused with his-tagged human IgG1 Fc fragment at the C-terminus and subunit CD3D is fused with flag-tagged human IgG1 Fc fragment at the C-terminus. The reducing (R) heterodimer protein migrates as 40-55 kDa due to glycosylation.
>90% as determined by SDS-PAGE.
>90% as determined by SEC-MALS.
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4. Normally trehalose is added as protectant before lyophilization.
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Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
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:
Human CD3E&CD3D Heterodimer Protein, Fc,His Tag&Fc,Flag Tag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 90%.
The purity of Human CD3E&CD3D Heterodimer Protein, Fc,His Tag&Fc,Flag Tag (Cat. No. CDD-H52W0) was more than 90% and the molecular weight of this protein is around 85-100 kDa verified by SEC-MALS.
Immobilized Human CD3E&CD3D Heterodimer Protein, Fc,His Tag&Fc,Flag Tag (Cat. No. CDD-H52W0) at 2 μg/mL (100 μL/well) can bind OKT3 (mouse IgG2a) (Cat. No. CDE-M120a) with a linear range of 10-78 ng/mL (QC tested).
Human CD3E&CD3D Heterodimer Protein, Fc,His Tag&Fc,Flag Tag (Cat. No. CDD-H52W0) captured on CM5 chip via Anti-human IgG Fc antibodies surface can bind OKT3 (mouse IgG2a) with an affinity constant of 31.3 nM as determined in a SPR assay (Biacore T200) (Routinely tested).
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