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Radiolabeling of Catalytic Subunits of PI 3-Kinases with 17β-Hydroxy-16α-(125I)Iodowortmannin: Identification of the Gβγ-Sensitive Isoform as a Complex Composed of 45- and 100-kDa Subunits

Protein FunctionSignal TransductionBiochemistryG Protein-coupled ReceptorNatural Sciences100-Kda SubunitsMolecular BiologyPi 3-KinasesCellular BiochemistryCatalytic SubunitsMedicineCell SignalingProtein Phosphorylation