Product Details
Synonyms
CD3E & CD3D, CD3 delta & CD3 epsilon
Source
Cynomolgus CD3E&CD3D Heterodimer Protein, Fc,His Tag&Fc,Flag Tag (CDD-C52W9) is expressed from human 293 cells (HEK293). It contains AA Gln 22 - Asp 117 (CD3E) & Phe 22 - Ala 105 (CD3D) (Accession # Q95LI5-1 (CD3E) & Q95LI8-1 (CD3D)).
Predicted N-terminus: Gln 22 (CD3E) & Phe 22 (CD3D)
Request for sequenceMolecular Characterization

Other Tags and Version Biotin & Other Labeled Version
Cynomolgus CD3E&CD3D Heterodimer Protein, Fc,His Tag&Fc,Flag Tag is produced by co-expression of CD3E and CD3D, has a calculated MW of 42.5 kDa (CD3E) and 40.9 kDa (CD3D). Subunit CD3E is fused with a human IgG1 Fc tag and a polyhistidine tag at the C-terminus and subunit CD3D is fused with a human IgG1 Fc tag and a flag tag at the C-terminus. The predicted N-terminus is Gln 22 (CD3E) & Phe 22 (CD3D). The reducing (R) protein migrates as 46-50 kDa and 55-65 kDa due to glycosylation.
Endotoxin
Less than 1.0 EU per μg by the LAL method / rFC method.
Purity
>90% as determined by SDS-PAGE.
>95% as determined by SEC-MALS.
Formulation
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
Contact us for customized product form or formulation.
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.
Storage
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:
- -20°C to -70°C for 12 months in lyophilized state;
- -70°C for 3 months under sterile conditions after reconstitution.
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Performance Data
SDS-PAGE

Cynomolgus CD3E&CD3D Heterodimer Protein, Fc,His Tag&Fc,Flag Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 90%.
SEC-MALS

The purity of Cynomolgus CD3E&CD3D Heterodimer Protein, Fc,His Tag&Fc,Flag Tag (Cat. No. CDD-C52W9) is more than 95% and the molecular weight of this protein is around 90-120 kDa verified by SEC-MALS.
Report
Bioactivity-ELISA

Immobilized Human anti-BCMA×CD3 scFv, C-Fc at 1 μg/mL (100 μL/well) can bind Cynomolgus CD3E&CD3D Heterodimer Protein, Fc,His Tag&Fc,Flag Tag (Cat. No. CDD-C52W9) with a linear range of 0.005-0.156 μg/mL (QC tested).
Protocol
Bioactivity-BLI

Loaded Cynomolgus CD3E&CD3D Heterodimer Protein, Fc,His Tag&Fc,Flag Tag (Cat. No. CDD-C52W9) on AHC Biosensor, can bind Bispecific CD3×BCMA T cell-engaging Antibody with an affinity constant of 1.77 nM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).
Protocol
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