Geraniol 8-hydroxylase

Geraniol 8-hydroxylase (EC 1.14.13.152, CYP76B6, G10H, CrG10H, SmG10H) is an enzyme with systematic name geraniol,NADPH:oxygen oxidoreductase (8-hydroxylating).^[1]^[2]^[3] This enzyme catalyses the following chemical reaction

geraniol + NADPH + H⁺ + O₂

\rightleftharpoons

(6E)-8-hydroxygeraniol + NADP⁺ + H₂O

Geraniol 8-hydroxylase is a cytochrome P450 and therefore requires a partner cytochrome P450 reductase for functional expression.

References

↑ Collu, G., Unver, N., Peltenburg-Looman, A.M., van der Heijden, R., Verpoorte, R. and Memelink, J. (2001). "Geraniol 10-hydroxylase, a cytochrome P450 enzyme involved in terpenoid indole alkaloid biosynthesis". FEBS Lett. 508 (2): 215–220. doi:10.1016/s0014-5793(01)03045-9. PMID 11718718.
↑ Wang, J., Liu, Y., Cai, Y., Zhang, F., Xia, G. and Xiang, F. (2010). "Cloning and functional analysis of geraniol 10-hydroxylase, a cytochrome P450 from Swertia mussotii Franch". Biosci. Biotechnol. Biochem. 74 (8): 1583–1590. doi:10.1271/bbb.100175. PMID 20699579.
↑ Sung, P.H., Huang, F.C., Do, Y.Y. and Huang, P.L. (2011). "Functional expression of geraniol 10-hydroxylase reveals its dual function in the biosynthesis of terpenoid and phenylpropanoid". J. Agric. Food Chem. 59 (9): 4637–4643. doi:10.1021/jf200259n. PMID 21504162.

External links

Geraniol 8-hydroxylase at the US National Library of Medicine Medical Subject Headings (MeSH)

Oxidoreductases: dioxygenases, including steroid hydroxylases (EC 1.14)

1.14.11: 2-oxoglutarate	Prolyl hydroxylase Lysyl hydroxylase

1.14.13: NADH or NADPH	Flavin-containing monooxygenase FMO1 FMO2 FMO3 FMO4 FMO5 Nitric oxide synthase NOS1 NOS2 NOS3 Cholesterol 7 alpha-hydroxylase Methane monooxygenase 3A4 Lanosterol 14 alpha-demethylase 24-hydroxycholesterol 7α-hydroxylase

1.14.14: reduced flavin or flavoprotein	19A1 2D6 2E1

1.14.15: reduced iron-sulfur protein	11B1 11B2 11A1

1.14.16: reduced pteridine (BH4 dependent)	Phenylalanine hydroxylase Tyrosine hydroxylase Tryptophan hydroxylase

1.14.17: reduced ascorbate	Dopamine beta-hydroxylase

1.14.18-19: other	Tyrosinase Stearoyl-CoA desaturase-1

1.14.99 - miscellaneous	Cyclooxygenase Heme oxygenase (HMOX1) Squalene monooxygenase 17A1 21A2

Enzymes

Activity	Active site Binding site Catalytic triad Oxyanion hole Enzyme promiscuity Catalytically perfect enzyme Coenzyme Cofactor Enzyme catalysis Enzyme kinetics Lineweaver–Burk plot Michaelis–Menten kinetics

Regulation	Allosteric regulation Cooperativity Enzyme inhibitor

Classification	EC number Enzyme superfamily Enzyme family List of enzymes

Types	EC1 Oxidoreductases(list) EC2 Transferases(list) EC3 Hydrolases(list) EC4 Lyases(list) EC5 Isomerases(list) EC6 Ligases(list)

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