CD19 Protein (C-His, Human)

Product Specifications

Abbreviation

CD19

Synonyms

B4, CVID3

Host

HEK 293

Tag

C-His

Endotoxin

< 1.0 EU per μg of the protein as determined by the LAL method

Purity

> 90 % as determined by SDS-PAGE

Bioactivity

1.Immobilized Recombinant Human CD19 / Leu-12 Protein (ECD, His Tag) (Cat:11880-H08H) at 2 μg/mL (100 μL/well) can bind Monoclonal Anti-Human CD19 Antibody (IgG1), the EC50 is 8-24 ng/mL. 2.Immobilized Monoclonal Anti-Human CD19 Antibody (IgG1) at 2 μg/mL (100 μL/well) can bind Recombinant Human CD19 / Leu-12 Protein (ECD, His Tag) (Cat:11880-H08H), the EC50 is 120-410 ng/mL. (QC tested)

Function

Met1-Lys291

Molecular Weight

The recombinant human CD19 consists of 283 amino acids and predictes a molecular mass of 31.6 kDa. In SDS-PAGE under reducing conditions, rhCD19 migrates as an approximately 47 kDa band due to glycosylation.