R&D Systems™ Recombinant Human CD19 His-tag Protein

Catalog No.	Quantity
11095CD050	50 μg

Catalog No. 11095CD050 Supplier R&D Systems™ Supplier No. 11095CD050

Description

Measured by its binding ability in a functional ELISA. When Human CD19 Antibody (FMC63) (Novus Biologicals, Catalog # NBP2-52716 ) is immobilized at 2.00 μg/mL (100 μL/well), Recombinant Human CD19 binds with an ED50 of 15.0-150 ng/mL.

Specifications

• Accession Number: P15391.6
• For Use With (Application): Bioactivity
• Formulation: Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
• Gene ID (Entrez): 930
• Molecular Weight (g/mol): MolecularWeight-observed: 50-65 kDa, under reducing conditions., MolecularWeight-theroretical: 31 kDa
• Quantity: 50 μg
• Source: Chinese Hamster Ovary cell line, CHO-derived human CD19 protein Human CD19 (Glu21-Lys291) (N-terminus) Accession # P15391.6 6-His tag IEGR (C-terminus)
• Storage Requirements: Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20°C to -70°C as supplied. 1 month, 2°C to 8°C under sterile conditions after reconstitution. 3 months, -20°C to -70°C under sterile conditions after reconstitution.
• Endotoxin Concentration: <0.10 EU / 1 μg of the protein by the LAL method.
• Gene Alias: B4, B-lymphocyte antigen CD19, B-lymphocyte surface antigen B4, CD19, CD19 antigen, CD19 molecule, CVID3, Differentiation antigen CD19, Leu-12, MGC12802, T-cell surface antigen Leu-12
• Conjugate: Unconjugated
• Reconstitution: Reconstitute at 500 μg/mL in PBS.
• Purity or Quality Grade: >95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.
• Protein: CD19