MetaCyc Pathway: superpathway of (R,R)-butanediol biosynthesis in Cupriavidus basilensis FW507-4G11

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Acetolactate synthase:
2 pyruvate + H+→(S)-2-acetolactate + CO2 (EC 2.2.1.6)
RR42_RS02175
RR42_RS05435
RR42_RS05440
RR42_RS13670
RR42_RS26245
RR42_RS29140
RR42_RS31370
RR42_RS36655
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)
RR42_RS09405

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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