MetaCyc Pathway: L-isoleucine biosynthesis IV in Pseudomonas simiae WCS417

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Reactions and Genes L-Arabinose (C)
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Propionate--CoA ligase:
propanoate + ATP + coenzyme A→propanoyl-CoA + AMP + diphosphate (EC 6.2.1.17)
PS417_21750 -0.6
PS417_23925 +0.0
3-methyl-2-oxobutanoate dehydrogenase (ferredoxin) (in reverse):
propanoyl-CoA + CO2 + H+ + 2 a reduced ferredoxin [iron-sulfur] cluster→2-oxobutanoate + coenzyme A + 2 an oxidized ferredoxin [iron-sulfur] cluster (EC 1.2.7.7)
No genes
Acetolactate synthase:
2-oxobutanoate + H+ + pyruvate→(S)-2-aceto-2-hydroxybutanoate + CO2 (EC 2.2.1.6)
PS417_07295 +0.1
PS417_08225 -1.0
PS417_10695 +0.1
PS417_13315 +0.1
PS417_23805 -5.9
PS417_23810 -4.5
(S)-2-aceto-2-hydroxybutanoate + NAD(P)H + H+→(R)-2,3-dihydroxy-3-methylpentanoate + NAD(P)+ (EC 1.1.1.383)
No genes
Dihydroxy-acid dehydratase:
(R)-2,3-dihydroxy-3-methylpentanoate→(3S)-3-methyl-2-oxopentanoate + H2O (EC 4.2.1.9)
PS417_11000 -5.1
PS417_26890 -3.4
Branched-chain-amino-acid transaminase (in reverse):
(3S)-3-methyl-2-oxopentanoate + L-glutamate→L-isoleucine + 2-oxoglutarate (EC 2.6.1.42)
PS417_17565 -0.7

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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