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- Recombinant Human CD19 Fc Chimera Biotinylated Protein, CF (BT9269)
Recombinant Human CD19 Fc Chimera Biotinylated Protein, CF
R&D Systems, part of Bio-Techne | Catalog # BT9269

Key Product Details
Source: | CHO |
Structure / Form: | Disulfide linked homodimer, Biotinylated via amines |
Applications: | Bioactivity |
Product Specifications for Recombinant Human CD19 Fc Chimera Biotinylated Protein, CF
Source |
Chinese Hamster Ovary cell line, CHO-derived human CD19 protein
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Endotoxin level | <0.10 EU per 1 μg of the protein by the LAL method. | ||||||||||||||||||||
N-terminal sequence Analysis | Glu21 | ||||||||||||||||||||
Predicted Molecular Mass | 57 kDa | ||||||||||||||||||||
SDS-PAGE | 57 kDa | ||||||||||||||||||||
Activity |
Measured by its binding ability in a functional ELISA. Biotinylated Recombinant Human CD19 Fc Chimera binds to Human CD19 Antibody (Catalog # MAB4867) with an ED50 of 25.0-250 ng/mL.
Formulation, Preparation and StorageCarrier FreeWhat does CF mean?CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA. What formulation is right for me?In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere. BT9269
Reconstitution CalculatorBackground: CD19
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