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BRENDA KEGG MetaCyc

acetoin degradation (BRENDA)

:= BRENDA, := KEGG, := MetaCyc, := SABIO-RK
:= amino acid sequences := show the reaction diagram
EC Number
Reaction
Pathways
Reaction IDs
Stoichiometry Check
Missing Substrate
Missing Product
Commentary
Remark
diacetyl reductase [(S)-acetoin forming]
(2S,3S)-butane-2,3-diol + NAD+ = (S)-acetoin + NADH + H+
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natural substrates
(R,R)-butanediol dehydrogenase
(2S,3S)-butane-2,3-diol + NAD+ = (S)-acetoin + NADH + H+
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natural substrates
glycerol dehydrogenase
(2S,3S)-butane-2,3-diol + NAD+ = (S)-acetoin + NADH + H+
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natural substrates
(S,S)-butanediol dehydrogenase
(2S,3S)-butane-2,3-diol + NAD+ = (S)-acetoin + NADH + H+
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natural substrates
meso-2,3-butandiol dehydrogenase
(2S,3S)-butane-2,3-diol + NAD+ = (S)-acetoin + NADH + H+
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natural substrates
aldehyde dehydrogenase (NAD+)
(R)-acetoin + NAD+ = diacetyl + NADH + H+
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: This activity is usually associated with butanediol dehydrogenase activity (EC 1.1.1.4 or EC 1.1.1.76). While the butanediol dehydrogenase activity is reversible, diacetyl reductase activity is irreversible. The product can be either (R)-acetoin [10938079] or (S)-acetoin |CITS: [Ui97][2040298]|, depending on the enzyme. The enzyme from pigeon liver can also accept NADP+ as acceptor [4152609].
natural substrates
(R)-acetoin + NAD+ = diacetyl + NADH + H+
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: This activity is usually associated with butanediol dehydrogenase activity (EC 1.1.1.4 or EC 1.1.1.76). While the butanediol dehydrogenase activity is reversible, diacetyl reductase activity is irreversible. The product can be either (R)-acetoin [10938079] or (S)-acetoin |CITS: [Ui97][2040298]|, depending on the enzyme. The enzyme from pigeon liver can also accept NADP+ as acceptor [4152609].
natural substrates
(R)-acetoin + NAD+ = diacetyl + NADH + H+
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: This activity is usually associated with butanediol dehydrogenase activity (EC 1.1.1.4 or EC 1.1.1.76). While the butanediol dehydrogenase activity is reversible, diacetyl reductase activity is irreversible. The product can be either (R)-acetoin [10938079] or (S)-acetoin |CITS: [Ui97][2040298]|, depending on the enzyme. The enzyme from pigeon liver can also accept NADP+ as acceptor [4152609].
natural substrates
alcohol dehydrogenase
(R)-acetoin + NAD+ = diacetyl + NADH + H+
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: This activity is usually associated with butanediol dehydrogenase activity (EC 1.1.1.4 or EC 1.1.1.76). While the butanediol dehydrogenase activity is reversible, diacetyl reductase activity is irreversible. The product can be either (R)-acetoin [10938079] or (S)-acetoin |CITS: [Ui97][2040298]|, depending on the enzyme. The enzyme from pigeon liver can also accept NADP+ as acceptor [4152609].
natural substrates
L-xylulose reductase
(R)-acetoin + NAD+ = diacetyl + NADH + H+
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: This activity is usually associated with butanediol dehydrogenase activity (EC 1.1.1.4 or EC 1.1.1.76). While the butanediol dehydrogenase activity is reversible, diacetyl reductase activity is irreversible. The product can be either (R)-acetoin [10938079] or (S)-acetoin |CITS: [Ui97][2040298]|, depending on the enzyme. The enzyme from pigeon liver can also accept NADP+ as acceptor [4152609].
natural substrates
L-threonine 3-dehydrogenase
(R)-acetoin + NAD+ = diacetyl + NADH + H+
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: This activity is usually associated with butanediol dehydrogenase activity (EC 1.1.1.4 or EC 1.1.1.76). While the butanediol dehydrogenase activity is reversible, diacetyl reductase activity is irreversible. The product can be either (R)-acetoin [10938079] or (S)-acetoin |CITS: [Ui97][2040298]|, depending on the enzyme. The enzyme from pigeon liver can also accept NADP+ as acceptor [4152609].
natural substrates
sepiapterin reductase (L-erythro-7,8-dihydrobiopterin forming)
(R)-acetoin + NAD+ = diacetyl + NADH + H+
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: This activity is usually associated with butanediol dehydrogenase activity (EC 1.1.1.4 or EC 1.1.1.76). While the butanediol dehydrogenase activity is reversible, diacetyl reductase activity is irreversible. The product can be either (R)-acetoin [10938079] or (S)-acetoin |CITS: [Ui97][2040298]|, depending on the enzyme. The enzyme from pigeon liver can also accept NADP+ as acceptor [4152609].
natural substrates
L-glycol dehydrogenase
(R)-acetoin + NAD+ = diacetyl + NADH + H+
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: This activity is usually associated with butanediol dehydrogenase activity (EC 1.1.1.4 or EC 1.1.1.76). While the butanediol dehydrogenase activity is reversible, diacetyl reductase activity is irreversible. The product can be either (R)-acetoin [10938079] or (S)-acetoin |CITS: [Ui97][2040298]|, depending on the enzyme. The enzyme from pigeon liver can also accept NADP+ as acceptor [4152609].
natural substrates
(S)-carnitine 3-dehydrogenase
(R)-acetoin + NAD+ = diacetyl + NADH + H+
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: This activity is usually associated with butanediol dehydrogenase activity (EC 1.1.1.4 or EC 1.1.1.76). While the butanediol dehydrogenase activity is reversible, diacetyl reductase activity is irreversible. The product can be either (R)-acetoin [10938079] or (S)-acetoin |CITS: [Ui97][2040298]|, depending on the enzyme. The enzyme from pigeon liver can also accept NADP+ as acceptor [4152609].
natural substrates
diacetyl reductase [(R)-acetoin forming]
(R)-acetoin + NAD+ = diacetyl + NADH + H+
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: This activity is usually associated with butanediol dehydrogenase activity (EC 1.1.1.4 or EC 1.1.1.76). While the butanediol dehydrogenase activity is reversible, diacetyl reductase activity is irreversible. The product can be either (R)-acetoin [10938079] or (S)-acetoin |CITS: [Ui97][2040298]|, depending on the enzyme. The enzyme from pigeon liver can also accept NADP+ as acceptor [4152609].
natural substrates
(R,R)-butanediol dehydrogenase
(R)-acetoin + NAD+ = diacetyl + NADH + H+
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: This activity is usually associated with butanediol dehydrogenase activity (EC 1.1.1.4 or EC 1.1.1.76). While the butanediol dehydrogenase activity is reversible, diacetyl reductase activity is irreversible. The product can be either (R)-acetoin [10938079] or (S)-acetoin |CITS: [Ui97][2040298]|, depending on the enzyme. The enzyme from pigeon liver can also accept NADP+ as acceptor [4152609].
natural substrates
(S,S)-butanediol dehydrogenase
(R)-acetoin + NAD+ = diacetyl + NADH + H+
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: This activity is usually associated with butanediol dehydrogenase activity (EC 1.1.1.4 or EC 1.1.1.76). While the butanediol dehydrogenase activity is reversible, diacetyl reductase activity is irreversible. The product can be either (R)-acetoin [10938079] or (S)-acetoin |CITS: [Ui97][2040298]|, depending on the enzyme. The enzyme from pigeon liver can also accept NADP+ as acceptor [4152609].
natural substrates
hydroxypyruvate reductase
(R)-acetoin + NAD+ = diacetyl + NADH + H+
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: This activity is usually associated with butanediol dehydrogenase activity (EC 1.1.1.4 or EC 1.1.1.76). While the butanediol dehydrogenase activity is reversible, diacetyl reductase activity is irreversible. The product can be either (R)-acetoin [10938079] or (S)-acetoin |CITS: [Ui97][2040298]|, depending on the enzyme. The enzyme from pigeon liver can also accept NADP+ as acceptor [4152609].
natural substrates
acetolactate decarboxylase
(2S)-2-hydroxy-2-methyl-3-oxobutanoate = (3R)-3-hydroxybutan-2-one + CO2
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natural substrates
0.0.0.0
spontaneous reaction
2-acetolactate + oxidized electron acceptor = diacetyl + CO2 + reduced electron acceptor
generic compounds
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natural substrates, generic
acetoin dehydrogenase
acetoin + CoA + NAD+ = acetaldehyde + acetyl-CoA + NADH + H+
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natural substrates
diacetyl reductase [(S)-acetoin forming]
(S)-acetoin + NAD+ = diacetyl + NADH + H+
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natural substrates
(R,R)-butanediol dehydrogenase
(S)-acetoin + NAD+ = diacetyl + NADH + H+
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natural substrates
(S,S)-butanediol dehydrogenase
(S)-acetoin + NAD+ = diacetyl + NADH + H+
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natural substrates
meso-2,3-butandiol dehydrogenase
(S)-acetoin + NAD+ = diacetyl + NADH + H+
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natural substrates
alcohol dehydrogenase
(R,R)-butane-2,3-diol + NAD+ = (R)-acetoin + NADH + H+
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natural substrates
(R,R)-butanediol dehydrogenase
(R,R)-butane-2,3-diol + NAD+ = (R)-acetoin + NADH + H+
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natural substrates
glycerol dehydrogenase
(R,R)-butane-2,3-diol + NAD+ = (R)-acetoin + NADH + H+
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natural substrates
hydroxypyruvate reductase
(R,R)-butane-2,3-diol + NAD+ = (R)-acetoin + NADH + H+
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natural substrates