Pathways

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BRENDA KEGG MetaCyc

leucine metabolism (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
alcohol dehydrogenase
3-methylbutanol + NAD+ = 3-methylbutanal + NADH + H+
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: see R05686 (NADPH)
natural substrates
alcohol dehydrogenase (NADP+)
3-methylbutanol + NAD+ = 3-methylbutanal + NADH + H+
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: see R05686 (NADPH)
natural substrates
3-methylbutanal reductase
3-methylbutanol + NAD+ = 3-methylbutanal + NADH + H+
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: see R05686 (NADPH)
natural substrates
leucine 2,3-aminomutase
(2S)-alpha-leucine = (3R)-beta-leucine
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natural substrates
alanine dehydrogenase
L-leucine + H2O + NAD+ = 4-methyl-2-oxopentanoate + NH3 + NADH + H+
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natural substrates
phenylalanine dehydrogenase
L-leucine + H2O + NAD+ = 4-methyl-2-oxopentanoate + NH3 + NADH + H+
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natural substrates
valine dehydrogenase (NAD+)
L-leucine + H2O + NAD+ = 4-methyl-2-oxopentanoate + NH3 + NADH + H+
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natural substrates
valine dehydrogenase (NADP+)
L-leucine + H2O + NAD+ = 4-methyl-2-oxopentanoate + NH3 + NADH + H+
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natural substrates
leucine dehydrogenase
L-leucine + H2O + NAD+ = 4-methyl-2-oxopentanoate + NH3 + NADH + H+
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natural substrates
SPONTANEOUS
(2S)-2-isopropyl-3-oxosuccinate + H+ = 4-methyl-2-oxopentanoate + CO2
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: spontaneous (following EC 1.1.1.85 or R04426 reaction)
natural substrates
0.0.0.0
spontaneous reaction
(2S)-2-isopropyl-3-oxosuccinate + H+ = 4-methyl-2-oxopentanoate + CO2
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: spontaneous (following EC 1.1.1.85 or R04426 reaction)
natural substrates
3-isopropylmalate dehydrogenase
(2S)-2-isopropyl-3-oxosuccinate + H+ = 4-methyl-2-oxopentanoate + CO2
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: spontaneous (following EC 1.1.1.85 or R04426 reaction)
natural substrates
3-isopropylmalate dehydrogenase
(2R,3S)-3-isopropylmalate + NAD+ = (2S)-2-isopropyl-3-oxosuccinate + NADH + H+
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: subsequently R01652
natural substrates
3-isopropylmalate dehydratase
(2R,3S)-3-isopropylmalate = 2-isopropylmaleate + H2O
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: Catalyzes the isomerization between (2R,3S)-3-isopropylmalate and 3-hydroxy-4-methyl-3-carboxypentanoate, via the formation of (2S)-2 isopropylmaleate.
natural substrates
(2R,3S)-3-isopropylmalate = 2-isopropylmaleate + H2O
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: Catalyzes the isomerization between (2R,3S)-3-isopropylmalate and 3-hydroxy-4-methyl-3-carboxypentanoate, via the formation of (2S)-2 isopropylmaleate.
natural substrates
3-methyl-2-oxobutanoate dehydrogenase (ferredoxin)
2-ketoisocaproate + CoA + oxidized ferredoxin = S-(3-methylbutanoyl)-CoA + CO2 + reduced ferredoxin
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natural substrates, generic, protein
indolepyruvate ferredoxin oxidoreductase
2-ketoisocaproate + CoA + oxidized ferredoxin = S-(3-methylbutanoyl)-CoA + CO2 + reduced ferredoxin
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natural substrates, generic, protein
isovaleryl-CoA dehydrogenase
isovaleryl-CoA + FAD = 3-methylcrotonyl-CoA + FADH2
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natural substrates
medium-chain acyl-CoA dehydrogenase
isovaleryl-CoA + FAD = 3-methylcrotonyl-CoA + FADH2
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natural substrates
methylcrotonoyl-CoA carboxylase
ATP + 3-methylcrotonoyl-CoA + HCO3- + H+ = ADP + phosphate + 3-methylglutaconyl-CoA
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natural substrates
geranoyl-CoA carboxylase
ATP + 3-methylcrotonoyl-CoA + HCO3- + H+ = ADP + phosphate + 3-methylglutaconyl-CoA
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natural substrates
methylglutaconyl-CoA hydratase
(S)-3-hydroxy-3-methylglutaryl-CoA = trans-3-methylglutaconyl-CoA + H2O
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natural substrates
hydroxymethylglutaryl-CoA lyase
(S)-3-Hydroxy-3-methylglutaryl-CoA = acetyl-CoA + acetoacetate
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natural substrates
leucine-tRNA ligase
ATP + L-leucine + tRNALeu = AMP + diphosphate + L-leucyl-tRNALeu
BR55show the reaction diagram
412
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natural substrates
(R)-2-hydroxy-4-methylpentanoate CoA-transferase
4-methylpentanoyl-CoA + (R)-2-hydroxy-4-methylpentanoate = 4-methylpentanoate + (R)-2-hydroxy-4-methylpentanoyl-CoA
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natural substrates
(R)-2-hydroxyisocaproyl-CoA dehydratase
(R)-2-hydroxy-4-methylpentanoyl-CoA = 4-methylpent-2-enoyl-CoA + H2O
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natural substrates
(R)-2-hydroxyisocaproate CoA transferase
4-methylpent-2-enoyl-CoA + (R)-2-hydroxy-4-methylpentanoate = 4-methylpent-2-enoate + (R)-2-hydroxy-4-methylpentanoyl-CoA
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natural substrates
trans-2-enoyl-CoA reductase (NAD+)
acyl-CoA + NAD+ = trans-didehydroacyl-CoA + NADH + H+
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: general reaction
natural substrates, generic