geranylgeranyltransferase-III complex
geranylgeranyltransferase-iii complex
A protein-containing complex that catalyzes the transfer of a geranyl-geranyl group from geranylgeranyl pyrophosphate to a mono-farnsylated substrate. In humans, the complex is comprised of a prenyltransferase alpha subunit, PTAR1 and beta subunit, RabGGTB, while in budding yeast the prenyltransferase complex contains Ecm9p, the alpha subunit and Bet2p, the beta subunit.