The transmembrane domain of HIV-1 Vpu is sufficient to confer anti-tetherin activity to SIVcpz and SIVgor Vpu proteins: cytoplasmic determinants of Vpu function. - Kluge, Silvia F.; Sauter, Daniel; Vogl, Michael; Peeters, Martine; Yingying Li; Bibollet-Ruche, Frederic; Hahn, Beatrice H.; Kirchhoff, Frank (Retrovirology, 2013)