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EC 1.3.7.3 Details

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EC number

1.3.7.3

Accepted name

phycoerythrobilin:ferredoxin oxidoreductase

Reaction

(3Z)-phycoerythrobilin + oxidized ferredoxin = 15,16-dihydrobiliverdin + reduced ferredoxin

Other name(s)

PebB

Systematic name

(3Z)-phycoerythrobilin:ferredoxin oxidoreductase

CAS registry number

347401-21-2

Comment

Catalyses the two-electron reduction of the C2 and C3¹ diene system of 15,16-dihydrobiliverdin. Specific for 15,16-dihydrobiliverdin. It has been proposed that this enzyme and EC 1.3.7.2, 15,16-dihydrobiliverdin:ferredoxin oxidoreductase, function as a dual enzyme complex in the conversion of biliverdin IXα to phycoerythrobilin.

History

created 2002

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

1.3.4 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

1.3.99.1 succinate dehydrogenase

1.3.99.2 butyryl-CoA dehydrogenase

1.3.99.3 acyl-CoA dehydrogenase

1.3.99.4 3-oxosteroid 1-dehydrogenase

1.3.99.5 3-oxo-5α-steroid 4-dehydrogenase (acceptor)

1.3.99.6 3-oxo-5β-steroid 4-dehydrogenase

1.3.99.7 glutaryl-CoA dehydrogenase

1.3.99.8 2-furoyl-CoA dehydrogenase

1.3.99.9 created 1976, deleted 2002

1.3.99.10 isovaleryl-CoA dehydrogenase

1.3.99.11 dihydroorotate dehydrogenase

1.3.99.12 2-methylacyl-CoA dehydrogenase

1.3.99.13 long-chain-acyl-CoA dehydrogenase

1.3.99.14 cyclohexanone dehydrogenase

1.3.99.15 benzoyl-CoA reductase

1.3.99.16 isoquinoline 1-oxidoreductase

1.3.99.17 quinoline 2-oxidoreductase

1.3.99.18 quinaldate 4-oxidoreductase

1.3.99.19 quinoline-4-carboxylate 2-oxidoreductase

1.3.99.20 4-hydroxybenzoyl-CoA reductase

1.3.99.21 (R)-benzylsuccinyl-CoA dehydrogenase

1.3.99.22 coproporphyrinogen dehydrogenase

1.3.99.23 all-trans-retinol 13,14-reductase

1.3.99.24 2-amino-4-deoxychorismate dehydrogenase

1.3.99.25 carvone reductase

1.3.99.26 all-trans-ζ-carotene desaturase

1.3.99.27 1-hydroxycarotenoid 3,4-desaturase

1.3.99.28 phytoene desaturase (neurosporene-forming)

1.3.99.29 phytoene desaturase (ζ-carotene-forming)

1.3.99.30 phytoene desaturase (3,4-didehydrolycopene-forming)

1.3.99.31 phytoene desaturase (lycopene-forming)

1.3.99.32 glutaryl-CoA dehydrogenase (acceptor)

1.3.99.33 urocanate reductase

1.3.99.34 2,3-bis-O-geranylgeranyl-sn-glycerol 1-phosphate reductase (donor)

1.3.99.35 chlorophyllide a reductase

1.3.99.36 cypemycin cysteine dehydrogenase (decarboxylating)

1.3.99.37 1-hydroxy-2-isopentenylcarotenoid 3,4-desaturase

1.3.99.38 menaquinone-9 β-reductase

1.3.99.39 carotenoid φ-ring synthase

1.3.99.40 carotenoid χ-ring synthase

1.3.99.41 3-(methylsulfanyl)propanoyl-CoA 2-dehydrogenase

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)

1.6.99 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

1.11.2 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

1.15 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)