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EC 1.3.99.10 Details

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EC number

1.3.99.10

Accepted name

isovaleryl-CoA dehydrogenase

Reaction

3-methylbutanoyl-CoA + acceptor = 3-methylbut-2-enoyl-CoA + reduced acceptor

Other name(s)

isovaleryl-coenzyme A dehydrogenase, isovaleroyl-coenzyme A dehydrogenase, 3-methylbutanoyl-CoA:(acceptor) oxidoreductase

Systematic name

3-methylbutanoyl-CoA:acceptor oxidoreductase

CAS registry number

37274-61-6

Comment

A flavoprotein; forms with electron-transferring flavoprotein and EC 1.5.5.1 (electron-transferring-flavoprotein dehydrogenase) a system reducing ubiquinone. n-Pentanoate can act as donor. Not identical with EC 1.3.8.1 (butyryl-CoA dehydrogenase), EC 1.3.99.3 (acyl-CoA dehydrogenase) or EC 1.3.99.12 (2-methylacyl-CoA dehydrogenase).

History

created 1978, modified 1986, deleted 2012

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

1.4 Acting on the CH-NH₂ group of donors

1.4.1 With NAD⁺ or NADP⁺ as acceptor

1.4.1.1 alanine dehydrogenase

1.4.1.2 glutamate dehydrogenase

1.4.1.3 glutamate dehydrogenase [NAD(P)⁺]

1.4.1.4 glutamate dehydrogenase (NADP⁺)

1.4.1.5 L-amino-acid dehydrogenase

1.4.1.6 created 1961, deleted 1982

1.4.1.7 serine 2-dehydrogenase

1.4.1.8 valine dehydrogenase (NADP⁺)

1.4.1.9 leucine dehydrogenase

1.4.1.10 glycine dehydrogenase

1.4.1.11 L-erythro-3,5-diaminohexanoate dehydrogenase

1.4.1.12 2,4-diaminopentanoate dehydrogenase

1.4.1.13 glutamate synthase (NADPH)

1.4.1.14 glutamate synthase (NADH)

1.4.1.15 lysine dehydrogenase

1.4.1.16 diaminopimelate dehydrogenase

1.4.1.17 N-methylalanine dehydrogenase

1.4.1.18 lysine 6-dehydrogenase

1.4.1.19 tryptophan dehydrogenase

1.4.1.20 phenylalanine dehydrogenase

1.4.1.21 aspartate dehydrogenase

1.4.1.22 ornithine cyclodeaminase

1.4.1.23 valine dehydrogenase (NAD⁺)

1.4.1.24 3-dehydroquinate synthase II

1.4.1.25 L-arginine dehydrogenase

1.4.1.26 2,4-diaminopentanoate dehydrogenase (NAD⁺)

1.4.1.27 glycine cleavage system

1.4.1.28 secondary-alkyl amine dehydrogenase [NAD(P)⁺]

1.4.2 With a cytochrome as acceptor

1.4.3 With oxygen as acceptor

1.4.4 With a disulfide as acceptor

1.4.5 With a quinone or other compound as acceptor

1.4.7 With an iron-sulfur protein as acceptor

1.4.9 With a copper protein as acceptor

1.4.98. undefined

1.4.99 With unknown physiological acceptors

1.5 Acting on the CH-NH group of donors

1.6 Acting on NADH or NADPH

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

1.15.1 Acting on superoxide as acceptor (only sub-subclass identified to date)

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)

3.1 Acting on ester bonds

3.2 Glycosylases

3.3 Acting on ether bonds

3.4 Acting on peptide bonds (peptidases)

3.5 Acting on carbon-nitrogen bonds, other than peptide bonds

3.6 Acting on acid anhydrides

3.7 Acting on carbon-carbon bonds

3.8 Acting on halide bonds

3.9 Acting on phosphorus-nitrogen bonds

3.9.1 Acting on phosphorus-nitrogen bonds (only sub-subclass identified to date)

3.10 Acting on sulfur-nitrogen bonds

3.11 Acting on carbon-phosphorus bonds

3.12 Acting on sulfur-sulfur bonds

3.13 Acting on carbon-sulfur bonds

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Release 2023.1 (January 2023)