Lyophilized from sterile PBS, pH 7.4, 5 % trehalose and 5 % mannitol.
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.
< 1.0 EU per 1 microgram of protein (determined by LAL method).
> 90 % by SDS-PAGE.
Assembles with the antigen receptor of B-lymphocytes in order to decrease the threshold for antigen receptor-dependent stimulation.
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