Table 1.

Small GTPases and GEFs shown to regulate the exocyst

GTPase	Family	Reference
Rab8 (Sec4)	Rab	[6]
Rabin8 (Sec2)	GEF for Rab8	[22]
Arf6	Arf	[19]
Arl13	Arf	[20]
RalA	Ral	[15–18]
Rho1	Rho	[5]
Rho3	Rho	[9,12]
Cdc42	Rho	[13]
Tuba	GEF for Cdc42	[14,21]

GEF, guanine nucleotide exchange factor.