MetaCyc Pathway: L-valine degradation I in Escherichia coli BW25113

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Reactions and Genes Dodecanol (C)
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Branched-chain-amino-acid transaminase:
L-valine + 2-oxoglutarate→3-methyl-2-oxobutanoate + L-glutamate (EC 2.6.1.42)
b3770 (ilvE) +0.1
2-oxoisovalerate dehydrogenase (acylating):
3-methyl-2-oxobutanoate + coenzyme A + NAD+→isobutanoyl-CoA + CO2 + NADH (EC 1.2.1.25)
No genes
isobutanoyl-CoA + an oxidized electron-transfer flavoprotein + H+→methylacrylyl-CoA + a reduced electron-transfer flavoprotein (EC 1.3.8.5)
No genes
methylacrylyl-CoA + H2O→(S)-3-hydroxy-isobutanoyl-CoA (EC 4.2.1.150)
b2341 (yfcX) -0.2
b3846 (fadB) -1.4
3-hydroxyisobutyryl-CoA hydrolase:
(S)-3-hydroxy-isobutanoyl-CoA + H2O→(S)-3-hydroxy-isobutanoate + coenzyme A + H+ (EC 3.1.2.4)
No genes
3-hydroxyisobutyrate dehydrogenase:
(S)-3-hydroxy-isobutanoate + NAD+→(S)-methylmalonate-semialdehyde + NADH + H+ (EC 1.1.1.31)
b2341 (yfcX) -0.2
b3846 (fadB) -1.4
(S)-3-amino-2-methylpropionate transaminase (in reverse):
(S)-methylmalonate-semialdehyde + L-glutamate→(S)-3-amino-2-methylpropanoate + 2-oxoglutarate (EC 2.6.1.22)
b2662 (gabT) -0.1
Methylmalonate-semialdehyde dehydrogenase (acylating):
(S)-methylmalonate-semialdehyde + coenzyme A + NAD+ + H2O→propanoyl-CoA + hydrogen carbonate + NADH + H+ (EC 1.2.1.27)
No genes

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Candidate genes for each reaction are identified from best hits to MetaCyc; by matching EC numbers (which are assigned by TIGRFam, SEED, or best hits to KEGG); or by matching SEED roles to KEGG reactions to MetaCyc reactions. See the "Protein" tab of each gene for more information