Lyophilized from sterile PBS, pH7.4, 10% Trehalose.
Molecular Mass
Recombinant Human CD19 Protein is fused with a human IgG1 Fc tag at the C-terminus, and has a calculated MW of 56.3 kDa. The reducing protein migrates as 56-66 kDa in SDS-PAGE due to glycosylation.
Endotoxin
< 1.0 EU per 1 microgram of protein (determined by LAL method).
Purity
> 95 % by SDS-PAGE.
BACKGROUND
Background
Assembles with the antigen receptor of B-lymphocytes in order to decrease the threshold for antigen receptor-dependent stimulation.
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