EC 1.14.14.146     
Accepted name: geranylgeraniol 18-hydroxylase
Reaction: geranylgeraniol + [reduced NADPH—hemoprotein reductase] + O2 = 18-hydroxygeranylgeraniol + [oxidized NADPH—hemoprotein reductase] + H2O
Glossary: plaunotol = 18-hydroxygeranylgeraniol
Other name(s): GGOH-18-hydroxylase
Systematic name: geranylgeraniol,[reduced NADPH—hemoprotein reductase]:oxygen oxidoreductase (18-hydroxylating)
Comments: A cytochrome P-450 (heme-thiolate) protein isolated from the plant Croton sublyratus.
References:
1.  Tansakul, P. and De-Eknamkul, W. Geranylgeraniol-18-hydroxylase: the last enzyme in the plaunotol biosynthetic pathway in Croton sublyratus. Phytochemistry 47 (1998) 1241–1246.
[EC 1.14.14.146 created 2009 as EC 1.14.13.110, transferred 2018 to EC 1.14.14.146]