Function
May act as a GTPase-activating protein for Rab family protein(s) (By similarity). Required for osmotic regulation by the contractile vacuole in hypo-osmotic environments. Essential for periodic fusion of the contractile vacuole with the plasma membrane and consequent expulsion of water from the cell body.
Sequence
MICFDNSTAHTDSNNNNNQCDLPENYKELVTTGKVEKLILSPSSSLDRPKTLPPKSQEEVLKHQREYEEIQRKAKKTLEREAKEKEKLDAIRKEKERSLIDARKVWEEDIIPVWEKNSKKRDIKKIKDLSWRGLPPAVRGKIWRLCIGNDLRVTDELFNIFLGHANNAYNKTTSPPLKSSLSSSSKSPNINIDLRQANNSIHHSRSPMNTSTDGEDDVLDLETTNMALILQDIQDTFPSLMIFQKGGPLHSDLIDVLGAYICYRPDIGYVPGMTFLAAMFLLNMEKCDAFLSLSNHINSVCFLPFFRQDQSGIPKYLAAMDSTVEALTPPLHKHFKEIGISAKNYLVDWITTLFSKALPLDVATRIWDLVFIEGEIFIYRTALSILRYFISDLIQATYDECIDLFNKLPQRKISEDKLFEEIQSIVLDQRKFDKLLEK