MetaCyc Pathway: superpathway of (R,R)-butanediol biosynthesis in Desulfovibrio vulgaris Hildenborough JW710

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Acetolactate synthase:
2 pyruvate + H+→(S)-2-acetolactate + CO2 (EC 2.2.1.6)
DVU1376 (ilvB-2)
DVU1377 (ilvN-2)
DVU3293
DVU0360 (ilvB-1)
DVU0361 (ilvH)
DVU0626 (ilvN-1)
Acetolactate decarboxylase:
(S)-2-acetolactate + H+→CO2 + (R)-acetoin (EC 4.1.1.5)
No genes
(S)-2-acetolactate + an oxidized electron carrier + H+→CO2 + diacetyl + a reduced two electron carrier (spontaneous)
No genes
diacetyl + NADH + H+→(R)-acetoin + NAD+ (EC 1.1.1.303)
No genes
(R,R)-butanediol dehydrogenase (in reverse):
(R)-acetoin + NADH + H+→(R,R)-2,3-butanediol + NAD+ (EC 1.1.1.4)
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