Transferases;
Transferring alkyl or aryl groups, other than methyl groups;
Transferring alkyl or aryl groups, other than methyl groups (only sub-subclass identified to date)
Geranylgeranyl diphosphate is preferred over farnesyl diphosphate as allylic substrate [1]. The plant Arabidopsis thaliana has two different enzymes that catalyse this reaction. SPS1 contributes to the biosynthesis of the ubiquinone side-chain while SPS2 supplies the precursor of the plastoquinone side-chains [2].
History
EC 2.5.1.85 created 1972 as EC 2.5.1.11, part transferred 2010 to EC 2.5.1.85
Enzymatic reactions [BR:br08201]
2. Transferase reactions
2.5 Transferring alkyl or aryl groups, other than methyl groups
2.5.1 Transferring alkyl or aryl groups, other than methyl groups (only sub-subclass identified to date)
2.5.1.85
R09251 Geranylgeranyl diphosphate + 5 Isopentenyl diphosphate <=> all-trans-Nonaprenyl diphosphate + 5 Diphosphate
