In general, the Ras family is responsible for cell proliferation: Rho for cell morphology, Ran for nuclear transport, and Rab and Arf for vesicle transport.
En xeral, a superfamilia Ras é a responsable da proliferación celular: Rho da morfoloxía celular, Ran do transporte nuclear, e Rab e Arf do transporte de vesículas.