In the classical export scheme, proteins with a nuclear export sequence (NES) can bind in the nucleus to form a heterotrimeric complex with an exportin and RanGTP (for example the exportin CRM1).
No esquema clásico da exportación, as proteínas cunha secuencia nuclear de exportación poden unirse no núcleo para formar un complexo heterotrimérico cunha exportina e a RanGTP (por exemplo a exportina CRM1).