A nuclear export sequence in GPN-loop GTPase 1, an essential protein for nuclear targeting of RNA polymerase II, is necessary and sufficient for nuclear export.
Reyes-Pardo H, Barbosa-Camacho AA, Pérez-Mejía AE, Lara-Chacón B, Salas-Estrada LA, Robledo-Rivera AY, Montero-Morán GM, Lara-González S, Calera MR, Sánchez-Olea R. Biochim Biophys Acta. 2012 Oct; 1823(10):1756-66. Epub 2012 Jul 14.