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EC 1.11.1.22 Details

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EC number

1.11.1.22

Accepted name

hydroperoxy fatty acid reductase

Reaction

a hydroperoxy fatty acid + NADPH + H⁺ = a hydroxy fatty acid + NADP⁺ + H₂O

Other name(s)

slr1171 (gene name), slr1992 (gene name), hydroperoxy fatty acid:NADPH oxidoreductase

Systematic name

NADPH:hydroperoxy fatty acid oxidoreductase

Comment

The enzyme, characterized from the cyanobacterium Synechocystis PCC 6803, can reduce unsaturated fatty acid hydroperoxides and alkyl hydroperoxides. The enzyme, which utilizes NADPH generated by the photosynthetic electron transfer system, protects the cells from lipid peroxidation.

History

created 2013

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

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

1.6.4.1 created 1961, deleted 2002

1.6.4.2 created 1961, modified 1989, deleted 2002

1.6.4.3 created 1961, modified 1976, deleted 1983

1.6.4.4 created 1965, deleted 2002

1.6.4.5 created 1972, deleted 2002

1.6.4.6 created 1972, deleted 2002

1.6.4.7 created 1978, deleted 2002

1.6.4.8 created 1989, deleted 2002

1.6.4.9 created 1992, deleted 2002

1.6.4.10 created 1992, deleted 2002

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

1.11.1 Peroxidases

1.11.1.1 NADH peroxidase

1.11.1.2 NADPH peroxidase

1.11.1.3 fatty-acid peroxidase

1.11.1.4 created 1961, deleted 1964, reinstated 1965 as EC 1.13.1.12, deleted 1972

1.11.1.5 cytochrome-c peroxidase

1.11.1.6 catalase

1.11.1.7 peroxidase

1.11.1.8 iodide peroxidase

1.11.1.9 glutathione peroxidase

1.11.1.10 chloride peroxidase

1.11.1.11 L-ascorbate peroxidase

1.11.1.12 phospholipid-hydroperoxide glutathione peroxidase

1.11.1.13 manganese peroxidase

1.11.1.14 lignin peroxidase

1.11.1.15 peroxiredoxin

1.11.1.16 versatile peroxidase

1.11.1.17 glutathione amide-dependent peroxidase

1.11.1.18 bromide peroxidase

1.11.1.19 dye decolorizing peroxidase

1.11.1.20 prostamide/prostaglandin F_2α synthase

1.11.1.21 catalase-peroxidase

1.11.1.22 hydroperoxy fatty acid reductase

1.11.1.23 (S)-2-hydroxypropylphosphonic acid epoxidase

1.11.1.24 thioredoxin-dependent peroxiredoxin

1.11.1.25 glutaredoxin-dependent peroxiredoxin

1.11.1.26 NADH-dependent peroxiredoxin

1.11.1.27 glutathione-dependent peroxiredoxin

1.11.1.28 lipoyl-dependent peroxiredoxin

1.11.1.29 mycoredoxin-dependent peroxiredoxin

1.11.2 Peroxygenases

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)

1.14.3 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

1.14.21 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

1.98 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)