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Product Details
Synonyms
FLJ18683, T3E, TCRE, CD3E, CD3-epsilon
Source
Biotinylated Cynomolgus CD3 epsilon Protein, His Tag, primary amine labeling (CDE-C82H3) is expressed from human 293 cells (HEK293). It contains AA Gln 22 - Asp 117 (Accession # Q95LI5-1).
Predicted N-terminus: Gln 22
Molecular Characterization
This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 16.0 kDa & 16.1 kDa. The protein migrates as 15-20 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.
The protein is designed as a dimer.
Labeling
The primary amines in the side chains of lysine residues and the N-terminus of the protein are conjugated with biotins using standard chemical labeling method. A standard biotin reagent (13.5 angstroms) is used in this product.
Protein Ratio
Passed as determined by the HABA assay / binding ELISA.
Purity
>90% as determined by SDS-PAGE.
>95% as determined by SEC-MALS.
Formulation
Lyophilized from 0.22 μm filtered solution in PBS, 0.2 M Arginine, 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
Biotinylated Cynomolgus CD3 epsilon Protein, His Tag, primary amine labeling on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 90% (With Star Ribbon Pre-stained Protein Marker).
SEC-MALS
The purity of Biotinylated Cynomolgus CD3 epsilon Protein, His Tag, primary amine labeling (Cat. No. CDE-C82H3) is more than 95% and the molecular weight of this protein is around 32-42 kDa verified by SEC-MALS.
Report
Bioactivity-ELISA
Validated with Bispecific Antibody. Immobilized Human BCMA, His Tag, premium grade (Cat. No. BCA-H522y) at 5 μg/mL, add increasing concentrations of Human anti-BCMA×CD3 scFv and then add Biotinylated Cynomolgus CD3 epsilon Protein, His Tag, primary amine labeling (Cat. No. CDE-C82H3) at 0.2 μg/mL. Detection was performed using HRP-conjugated streptavidin with sensitivity of 6.05 ng/mL (QC tested).
Protocol
Bioactivity-SPR
Human anti-BCMA×CD3 scFv, Fc Tag captured on Protein A Chip can bind Biotinylated Cynomolgus CD3 epsilon Protein, His Tag, primary amine labeling (Cat. No. CDE-C82H3) with an affinity constant of 0.184 nM as determined in a SPR assay (Biacore 8K) (Routinely tested).
Protocol
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Background
Recent Advances
Drug Development Progress- English Name：
T-cell surface glycoprotein CD3 epsilon chain
- Category：
- Approved Drugs：
4 Details
- Drugs in Clinical Trials：
7 Details
- Highest Development Stage：
Approved
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