Catalyzes the transfer of a geranylgeranyl moiety from geranylgeranyl diphosphate to both cysteines of Rab proteins with the C-terminal sequence -XXCC, -XCXC and -CCXX, such as RAB1A, RAB3A, RAB5A and RAB7A.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
Protein Aliases: Geranylgeranyl transferase type II subunit alpha; Geranylgeranyl transferase type-2 subunit alpha; gunmetal; protein prenyltransferase alpha subunit repeat containing 3; PTAR3; Rab geranyl-geranyltransferase subunit alpha; Rab geranylgeranyl transferase, a subunit; Rab geranylgeranyltransferase alpha; Rab geranylgeranyltransferase subunit alpha; Rab geranylgeranyltransferase, alpha subunit; Rab GG transferase alpha; Rab GGTase alpha; RABGGTA
Gene Aliases: Ggta; gm; PTAR3; RABGGTA