. "\"Any process that initiates the activity of an inactive GTPase of the Ran family through the replacement of GDP by GTP.\" [GOC:dph, GOC:mah, GOC:tb]" . . "activation of Ran GTPase activity" . "Ran GTPase activation" . "Note that this term should not be confused with the molecular function term 'Ran GTPase activator activity ; GO:0005098', which refers specifically to the activity of Ran GAPs." . . .