The cytoplasmic/transmembrane domain of dipeptidyl peptidase IV, a type II glycoprotein, contains an apical targeting signal that does not specifically interact with lipid rafts. - Slimane TA; Lenoir C; Bello V; Delaunay JL; Goding JW; Chwetzoff S; Maurice M; Fransen JA; Trugnan G (Experimental cell research, 2001)