p120 Is a Major Substrate of Tyrosine Phosphorylation upon B Cell Antigen Receptor Stimulation and Interacts in Vivo with Fyn and Syk Tyrosine Kinases, Grb2 and Shc Adaptors, and the p85 Subunit of Phosphatidylinositol 3-Kinase
Journal of biological chemistry/The Journal of biological chemistry