Reaction catalyzed by protein geranylgeranyltransferase type II (2.5.1.60)
+
Arabidopsis thaliana RAB-ATa protein
=
S-geranylgeranyl-RAB GTPase
+
geranylgeranyl diphosphate
+
Arabidopsis thaliana RAB-ATa protein
=
S-geranylgeranyl-RAB GTPase
+
diphosphate