Maize ROP7 GTPase contains a unique, CaaX box-independent plasma membrane targeting signal.


Signals in the carboxy-terminal hypervariable region (HVR) of Rho and Ras GTPases target these proteins to specific membrane compartments, where they function in signal transduction. ROP6 and ROP7 are closely related maize Rops (a plant-specific Rho subgroup) that share HVR sequences divergent from other Rho HVRs. Both ROPs terminate in CAA, instead of the… (More)


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