MetaCyc Pathway: L-valine biosynthesis in Pontibacter actiniarum KMM 6156, DSM 19842

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Acetolactate synthase:
2 pyruvate + H+→(S)-2-acetolactate + CO2 (EC 2.2.1.6)
CA264_06925
CA264_06930
Ketol-acid reductoisomerase (in reverse):
(S)-2-acetolactate + NADPH + H+→(2R)-2,3-dihydroxy-3-methylbutanoate + NADP+ (EC 1.1.1.86)
CA264_06920
Dihydroxy-acid dehydratase:
(2R)-2,3-dihydroxy-3-methylbutanoate→3-methyl-2-oxobutanoate + H2O (EC 4.2.1.9)
CA264_06935
Branched-chain-amino-acid transaminase (in reverse):
3-methyl-2-oxobutanoate + L-glutamate→L-valine + 2-oxoglutarate (EC 2.6.1.42)
CA264_00175
CA264_06940
CA264_08520

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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