p56Lck and p59Fyn regulate CD28 binding to phosphatidylinositol 3-kinase, growth factor receptor-bound protein GRB-2, and T cell-specific protein-tyrosine kinase ITK: implications for T-cell costimulation.
Proc Natl Acad Sci U S A. 1995 Sep 12;92(19):8891-5. doi: 10.1073/pnas.92.19.8891.
Proc Natl Acad Sci U S A. 1995.
PMID: 7568038
Free PMC article.