MetaCyc Pathway: superpathway of Clostridium acetobutylicum solventogenic fermentation in Sinorhizobium meliloti 1021

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Reactions and Genes pipercolic (C)
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Pyruvate synthase:
pyruvate + coenzyme A + 2 an oxidized ferredoxin [iron-sulfur] cluster→acetyl-CoA + CO2 + H+ + 2 a reduced ferredoxin [iron-sulfur] cluster (EC 1.2.7.1)
No genes
Acetaldehyde dehydrogenase (acetylating) (in reverse):
acetyl-CoA + NADH + H+→acetaldehyde + coenzyme A + NAD+ (EC 1.2.1.10)
No genes
Acetyl-CoA C-acyltransferase:
2 acetyl-CoA→acetoacetyl-CoA + coenzyme A (EC 2.3.1.16; 2.3.1.9)
SM_b20589 -0.1
SMa1450 -0.3
SMc00262 -0.7
SMc00966 -0.2
SMc02228 -0.5
SMc03879 -2.9
Butyrate--acetoacetate CoA-transferase (in reverse):
acetoacetyl-CoA + butanoate→acetoacetate + butanoyl-CoA (EC 2.8.3.9)
No genes
Butyrate--acetoacetate CoA-transferase (in reverse):
acetoacetyl-CoA + acetate→acetoacetate + acetyl-CoA (EC 2.8.3.9)
SMa1409 -0.1
SMc04399 +0.1
Alcohol dehydrogenase (in reverse):
acetaldehyde + NADH + H+→ethanol + NAD+ (EC 1.1.1.1)
SM_b20147 +0.0
SM_b20170 N.D.
SMa0263 +0.2
SMa1296 -0.5
SMa2113 -0.0
SMc00105 +0.1
SMc00680 -0.3
SMc01270 N.D.
SMc01582 -0.0
SMc01816 +0.0
SMc03929 +0.0
SMc04270 N.D.
3-hydroxyacyl-CoA dehydrogenase (in reverse):
acetoacetyl-CoA + NADH + H+→(S)-3-hydroxybutanoyl-CoA + NAD+ (EC 1.1.1.35)
SM_b21632 -0.0
SMc00727 -1.2
SMc01638 -0.2
SMc02227 -0.6
Acetoacetate decarboxylase:
acetoacetate + H+→acetone + CO2 (EC 4.1.1.4)
No genes
(S)-3-hydroxybutanoyl-CoA→crotonyl-CoA + H2O (EC 4.2.1.150)
SM_b21632 -0.0
SM_b21633 -0.0
SMc00976 +0.4
SMc01638 -0.2
SMc01669 +0.1
SMc01806 -0.1
SMc04398 N.D.
crotonyl-CoA[cytosol] + 2 NADH[cytosol] + 2 an oxidized ferredoxin [iron-sulfur] cluster[cytosol]→butanoyl-CoA[cytosol] + 2 NAD+[cytosol] + 2 a reduced ferredoxin [iron-sulfur] cluster[cytosol] (EC 1.3.1.109)
No genes
Butanal dehydrogenase (in reverse):
butanoyl-CoA + NAD(P)H + H+→1-butanal + coenzyme A + NAD(P)+ (EC 1.2.1.57)
No genes
Alcohol dehydrogenase (NADP(+)) (in reverse):
1-butanal + NADPH + H+→butan-1-ol + NADP+ (EC 1.1.1.2)
SM_b20493 -0.1
1-butanal + NADH + H+→butan-1-ol + NAD+
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