Atypical RanGAP drives nucleocytoplasmic transport in a parasitic Alveolate
Pravin S. Dewangan, Michael L. Reese
A RabGAP-fold protein, TBC9, supplies the missing RanGAP activity in Toxoplasma; its acidic C-terminal motif promotes Ran binding and marks TBC9 orthologs across non-ciliate alveolates.