Lyophilized from sterile PBS, pH 7.4, 5 % trehalose and 5 % mannitol.
Bio-activity
Measured by its binding ability in a functional ELISA. Immobilized human IL3 at 20 μg/ml (100 μl/well) can bind biotinylated human IL3RA with a linear ranger of 0.32-1.6 μg/ml.
Molecular Mass
Recombinant Human IL3RA comprises 298 amino acids and has a predicted molecular mass of 34.5 kDa. As a result of glycosylation, the apparent molecular mass of rh IL3RA is approximately 50-60 kDa in SDS-PAGE under reducing conditions.
Endotoxin
< 1.0 EU per 1 microgram of protein (determined by LAL method).
Purity
> 95 % by SDS-PAGE.
BACKGROUND
Background
Receptor for TNFSF4/OX40L/GP34. Is a costimulatory molecule implicated in long-term T-cell immunity. (Microbial infection) Acts as a receptor for human herpesvirus 6B/HHV-6B.
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