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EC 1.14.20.8 Details

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EC number

1.14.20.8

Accepted name

(–)-deoxypodophyllotoxin synthase

Reaction

(–)-yatein + 2-oxoglutarate + O₂ = (–)-deoxypodophyllotoxin + succinate + CO₂ + H₂O

Other name(s)

2-ODD (gene name)

Systematic name

(–)-yatein,2-oxoglutarate:oxygen oxidoreductase (ring-forming)

Comment

The enzyme, characterized from the plant Sinopodophyllum hexandrum (mayapple), is involved in the biosynthetic pathway of podophyllotoxin, a non-alkaloid toxin lignan whose derivatives are important anticancer drugs. It catalyses the closure of the central six-membered ring in the aryltetralin scaffold.

History

created 2016 as EC 1.14.11.50, transferred 2018 to EC 1.14.20.8

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

1.4 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

1.6.3.1 NAD(P)H oxidase (H₂O₂-forming)

1.6.3.2 NAD(P)H oxidase (H₂O-forming)

1.6.3.3 NADH oxidase (H₂O₂-forming)

1.6.3.4 NADH oxidase (H₂O-forming)

1.6.3.5 renalase

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)

1.6.99 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

1.14.1 With NADH or NADPH as one donor (deleted sub-subclass)

1.14.2 With ascorbate as one donor (deleted sub-subclass)

1.14.2.1 created 1965, deleted 1972

1.14.2.2 created 1961 as EC 1.99.1.14, transferred 1965 to EC 1.14.2.2, deleted 1972

1.14.3 With reduced pteridine as one donor (deleted sub-subclass)

1.14.11 With 2-oxoglutarate as one donor, and incorporation of one atom of oxygen into each donor

1.14.12 With NADH or NADPH as one donor, and incorporation of two atoms of oxygen into the other donor

1.14.13 With NADH or NADPH as one donor, and incorporation of one atom of oxygen into the other donor

1.14.14 With reduced flavin or flavoprotein as one donor, and incorporation of one atom of oxygen into the other donor

1.14.15 With reduced iron-sulfur protein as one donor, and incorporation of one atom of oxygen into the other donor

1.14.16 With reduced pteridine as one donor, and incorporation of one atom of oxygen into the other donor

1.14.17 With reduced ascorbate as one donor, and incorporation of one atom of oxygen into the other donor

1.14.18 With another compound as one donor, and incorporation of one atom of oxygen into the other donor

1.14.19 With oxidation of a pair of donors resulting in the reduction of O₂ to two molecules of water

1.14.20 With 2-oxoglutarate as one donor, and the other dehydrogenated

1.14.20.1 deacetoxycephalosporin-C synthase

1.14.20.2 2,4-dihydroxy-1,4-benzoxazin-3-one-glucoside dioxygenase

1.14.20.3 (5R)-carbapenem-3-carboxylate synthase

1.14.20.4 anthocyanidin synthase

1.14.20.5 flavone synthase I

1.14.20.6 flavonol synthase

1.14.20.7 2-oxoglutarate/L-arginine monooxygenase/decarboxylase (succinate-forming)

1.14.20.8 (–)-deoxypodophyllotoxin synthase

1.14.20.9 L-tyrosine isonitrile desaturase

1.14.20.10 L-tyrosine isonitrile desaturase/decarboxylase

1.14.20.11 3-[(Z)-2-isocyanoethenyl]-1H-indole synthase

1.14.20.12 3-[(E)-2-isocyanoethenyl]-1H-indole synthase

1.14.20.13 6β-hydroxyhyoscyamine epoxidase

1.14.20.14 hapalindole-type alkaloid chlorinase

1.14.20.15 L-threonyl-[L-threonyl-carrier protein] 4-chlorinase

1.14.21 With NADH or NADPH as one donor, and the other dehydrogenated

1.14.99 Miscellaneous

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)

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Release 2023.1 (January 2023)