Phosphoprotein associated with glycosphingolipid-enriched microdomains (PAG), a novel ubiquitously expressed transmembrane adaptor protein, binds the protein tyrosine kinase csk and is involved in regulation of T cell activation - Brdicka, T; Pavlistova, D; Leo, A; Bruyns, E; Korinek, V; Angelisova, P (J Exp Med, 2000)