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EC 1.3.3.9 Details

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EC number

1.3.3.9

Accepted name

secologanin synthase

Reaction

loganin + NADPH + H⁺ + O₂ = secologanin + NADP⁺ + 2 H₂O

Systematic name

loganin:oxygen oxidoreductase (ring-cleaving)

CAS registry number

258339-71-8

Comment

A heme-thiolate protein (P-450). Secologanin is the precursor of the monoterpenoid indole alkaloids and ipecac alkaloids.

History

created 2002, deleted 2018

EC Tree

1 Oxidoreductases

1.1 Acting on the CH-OH group of donors

1.2 Acting on the aldehyde or oxo group of donors

1.3 Acting on the CH-CH group of donors

1.3.1 With NAD⁺ or NADP⁺ as acceptor

1.3.2 With a cytochrome as acceptor

1.3.3 With oxygen as acceptor

1.3.3.1 dihydroorotate oxidase

1.3.3.2 created 1972, deleted 2005

1.3.3.3 coproporphyrinogen oxidase

1.3.3.4 protoporphyrinogen oxidase

1.3.3.5 bilirubin oxidase

1.3.3.6 acyl-CoA oxidase

1.3.3.7 dihydrouracil oxidase

1.3.3.8 tetrahydroberberine oxidase

1.3.3.9 secologanin synthase

1.3.3.10 tryptophan α,β-oxidase

1.3.3.11 pyrroloquinoline-quinone synthase

1.3.3.12 L-galactonolactone oxidase

1.3.3.13 albonoursin synthase

1.3.3.14 aclacinomycin-A oxidase

1.3.3.15 coproporphyrinogen III oxidase (coproporphyrin-forming)

1.3.3.16 oxazoline dehydrogenase

1.3.3.17 benzylmalonyl-CoA dehydrogenase

1.3.4 With a disulfide as acceptor

1.3.5 With a quinone or related compound as acceptor

1.3.7 With an iron-sulfur protein as acceptor

1.3.8 With a flavin as acceptor

1.3.98 With other, known, physiological acceptors

1.3.99 With unknown physiological acceptors

1.4 Acting on the CH-NH₂ group of donors

1.5 Acting on the CH-NH group of donors

1.6 Acting on NADH or NADPH

1.6.1 With NAD⁺ or NADP⁺ as acceptor

1.6.2 With a heme protein as acceptor

1.6.3 With oxygen as acceptor

1.6.4 With a disulfide as acceptor (deleted sub-subclass)

1.6.5 With a quinone or similar compound as acceptor

1.6.6 With a nitrogenous group as acceptor

1.6.7 With an iron-sulfur protein as acceptor (deleted sub-subclass)

1.6.8 With a flavin as acceptor (deleted sub-subclass)

1.6.8.1 created 1981, deleted 2002

1.6.8.2 created 1982, deleted 2002

1.6.99 With unknown physiological acceptors

1.7 Acting on other nitrogenous compounds as donors

1.8 Acting on a sulfur group of donors

1.9 Acting on a heme group of donors

1.10 Acting on diphenols and related substances as donors

1.11 Acting on a peroxide as acceptor

1.12 Acting on hydrogen as donor

1.13 Acting on single donors with incorporation of molecular oxygen (oxygenases)

1.14 Acting on paired donors, with incorporation or reduction of molecular oxygen

1.15 Acting on superoxide as acceptor

1.16 Oxidizing metal ions

1.17 Acting on CH or CH₂ groups

1.18 Acting on iron-sulfur proteins as donors

1.19 Acting on reduced flavodoxin as donor

1.20 Acting on phosphorus or arsenic in donors

1.21 Catalysing the reaction X-H + Y-H = X-Y

1.21.1 With NAD⁺ or NADP⁺ as acceptor

1.21.3 With oxygen as acceptor

1.21.4 With a disulfide as acceptor

1.21.98 With other, known, physiological acceptors

1.21.99 With unknown physiological acceptors

1.22 Acting on halogen in donors

1.23 Reducing C-O-C group as acceptor

1.97 Other oxidoreductases

1.97.1 Sole sub-subclass for oxidoreductases that do not belong in the other subclasses

1.98 Enzymes using H₂ as reductant (deleted subclass)

1.99 Other enzymes using O₂ as oxidant (deleted subclass)