MetaCyc Pathway: superpathway of (R,R)-butanediol biosynthesis in Pseudomonas putida KT2440

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Reactions and Genes L-Arginine (C)
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Acetolactate synthase:
2 pyruvate + H+→(S)-2-acetolactate + CO2 (EC 2.2.1.6)
PP_1157 N.D.
PP_1394 -1.2
PP_3365 -0.1
PP_3723 -0.9
PP_4679 -4.4
PP_4680 -4.7
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)
PP_0552 -0.1

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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