PIK3CD, phosphorylated (Tyr524) (Phosphatidylinositol-4,5-bisphosphate 3-kinase Catalytic Subunit delta Isoform, PtdIns-3-kinase Subunit delta, PI3-kinase Subunit delta, PI3K-delta, Phosphatidylinositol-4,5-bisphosphate 3-kinase 110kD Catalytic Subunit delta, PI3-kinase p110 Subunit delta, PtdIns-3-kinase subunit p110-delta) (FITC)