Term Name:	activation of GTPase activity
Synonyms:	activation of ARF GTPase activity, activation of Cdc42 GTPase activity, activation of Rab GTPase activity, activation of Rac GTPase activity, activation of Ral GTPase activity, activation of Ran GTPase activity, activation of Rap GTPase activity, activation of Ras GTPase activity, activation of Rho GTPase activity, ARF GTPase activation, Cdc42 GTPase activation, Rab GTPase activation, Rac GTPase activation, Ral GTPase activation, Ran GTPase activation, Rap GTPase activation, Ras GTPase activation, Rho GTPase activation
Definition:	Any process that initiates the activity of an inactive GTPase through the replacement of GDP by GTP.
Ontology:	GO: Biological Process [GO:0090630]    QuickGO    AmiGO