特異性：Detects endogenous levels of CD19 only when phosphorylated at tyrosine 513. Tyr531 is equivalent to Tyr513 because of the signaling peptide in the CD19 protein sequence.
純度：Affinity Purified Purified by protein A and peptide affinity chromatography.
形状：Supplied as a liquid in 10mM sodium HEPES, pH 7.5, 150mM sodium chloride, BSA, 50% glycerol.
