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Product Details
Synonyms
CD3 epsilon & CD3 gamma, CD3E & CD3G
Source
Biotinylated Human CD3E&CD3G Heterodimer Protein, His,Avitag&Tag Free (CDG-H82W3) is expressed from human 293 cells (HEK293). It contains AA Asp 23 - Asp 126 (CD3E) & Gln 23 - Ser 116 (CD3G) (Accession # NP_000724.1 (CD3E) & AAI13831 (CD3G)).
Predicted N-terminus: Asp 23 (CD3E)
Request for sequenceMolecular Characterization
Other Tags and Version Biotin & Other Labeled Version
Biotinylated Human CD3E&CD3G Heterodimer Protein, His,Avitag&Tag Free is produced by co-expression of CD3E and CD3G, has a calculated MW of 18.6 kDa (CD3E) and 14.7 kDa (CD3G). Subunit CD3E is fused with a polyhistidine tag at the C-terminus, followed by an Avi tag and subunit CD3G contains no tag at the C-terminus. The reducing (R) heterodimer protein migrates as 20-24 kDa and 25-28 kDa when calibrated against Star Ribbon Pre-stained Protein Marker due to glycosylation.
Labeling
Biotinylation of this product is performed using Avitag™ technology. Briefly, the single lysine residue in the Avitag is enzymatically labeled with biotin.
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, 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 Human CD3E&CD3G Heterodimer Protein, His,Avitag&Tag Free 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 Human CD3E&CD3G Heterodimer Protein, His,Avitag&Tag Free (Cat. No. CDG-H82W3) is more than 95% and the molecular weight of this protein is around 35-52 kDa verified by SEC-MALS.
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Bioactivity-ELISA
Immobilized Mouse Anti-Human CD3 (SP34-2) at 1 μg/mL (100 μL/well) can bind Biotinylated Human CD3E&CD3G Heterodimer Protein, His,Avitag&Tag Free (Cat. No. CDG-H82W3) with a linear range of 0.016-0.25 μg/mL (QC tested).
Protocol
Immobilized UCHT1 at 1 μg/mL (100 μL/well) can bind Biotinylated Human CD3E&CD3G Heterodimer Protein, His,Avitag&Tag Free (Cat. No. CDG-H82W3) with a linear range of 0.5-31 ng/mL (Routinely tested).
Protocol
Immobilized Human DLL3, His Tag (Cat. No. DL3-H52H4) at 0.2 μg/mL, add increasing concentrations of Tarlatamab and then add Biotinylated Human CD3E&CD3G Heterodimer Protein, His,Avitag&Tag Free (Cat. No. CDG-H82W3) at 1 μg/mL. Detection was performed using HRP-conjugated Streptavidin (Acro, Cat. No. STN-NH913) with sensitivity of 26.91 ng/mL (Routinely tested).
Protocol
Immobilized Human CD20 Full Length Protein, His Tag (Cat. No. CD0-H52H3) at 2 μg/mL, add increasing concentrations of Glofitamab and then add Biotinylated Human CD3E&CD3G Heterodimer Protein, His,Avitag&Tag Free (Cat. No. CDG-H82W3) at 1 μg/mL. Detection was performed using HRP-conjugated Streptavidin (Acro, Cat. No. STN-NH913) with sensitivity of 0.40 μg/mL (Routinely tested).
Protocol
Immobilized Human BCMA, Mouse IgG2a Fc Tag (Cat. No. BCA-H5253) at 1 μg/mL, add increasing concentrations of Teclistamab and then add Biotinylated Human CD3E&CD3G Heterodimer Protein, His,Avitag&Tag Free (Cat. No. CDG-H82W3) at 1 μg/mL. Detection was performed using HRP-conjugated Streptavidin (Acro, Cat. No. STN-NH913) with sensitivity of 20.12 ng/mL (Routinely tested).
Protocol
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