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Product Details
Synonym
CD28, Tp44
Source
Mouse CD28, His Tag (CD8-M52H6) is expressed from human 293 cells (HEK293). It contains AA Asn 20 - Lys 149 (Accession # P31041-1).
Predicted N-terminus: Asn 20
Request for sequenceMolecular Characterization
Other Tags and Version Biotin & Other Labeled Version
This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 16.9 kDa. The protein migrates as 30-38 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.
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
Mouse CD28, His Tag 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 Mouse CD28, His Tag (Cat. No. CD8-M52H6) is more than 95% and the molecular weight of this protein is around 53-63 kDa verified by SEC-MALS.
Report
Bioactivity-ELISA
Immobilized Mouse CD28, His Tag (Cat. No. CD8-M52H6) at 5 μg/mL (100 μL/well) can bind Mouse B7-1, Fc Tag (Cat. No. CD0-M5259) with a linear range of 0.02-0.156 μg/mL (QC tested).
Protocol
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Background
Recent Advances
Drug Development Progress- English Name：
T-cell-specific surface glycoprotein CD28
- Category：
- Approved Drugs：
0 Details
- Drugs in Clinical Trials：
31 Details
- Highest Development Stage：
Phase 2 Clinical
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