. "PI3K inducibly associates with CD28: the SH2 domains of the PI3K p85 adaptor subunit interact with a cytoplasmic YMNM consensus motif at residues 173-176 of CD28."^^ . "Authored: Garapati, P V, 2008-12-16 11:12:19"^^ . "Edited: Garapati, P V, 2008-12-16 11:12:19"^^ . "Reviewed: Bluestone, JA, Esensten, J, 2009-06-01 18:47:33"^^ . . . . . . . "PI3K binds CD28"^^ . . . .