MetaCyc Pathway: L-isoleucine biosynthesis V in Methanococcus maripaludis JJ

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Reactions and Genes H2 McCas, 5g/L bicarb, 40 psi H2CO2
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Acetate--CoA ligase:
2-methylbutanoate + ATP + coenzyme A→(2S)-2-methylbutanoyl-CoA + AMP + diphosphate (EC 6.2.1.1)
MMJJ_RS04645 -1.4
MMJJ_RS07800 +0.4
3-methyl-2-oxobutanoate dehydrogenase (ferredoxin) (in reverse):
(2S)-2-methylbutanoyl-CoA + CO2 + H+ + 2 a reduced ferredoxin [iron-sulfur] cluster→(3S)-3-methyl-2-oxopentanoate + coenzyme A + 2 an oxidized ferredoxin [iron-sulfur] cluster (EC 1.2.7.7)
MMJJ_RS07805 +0.1
MMJJ_RS07810 +0.2
MMJJ_RS07815 +0.1
Branched-chain-amino-acid transaminase (in reverse):
(3S)-3-methyl-2-oxopentanoate + L-glutamate→L-isoleucine + 2-oxoglutarate (EC 2.6.1.42)
MMJJ_RS04725 +0.4

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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