MetaCyc Pathway: hexitol fermentation to lactate, formate, ethanol and acetate in Azospirillum brasilense Sp245

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Reactions and Genes L-Malic (C) with ammonium chloride; anaerobic; 8 days
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Mannitol-1-phosphate 5-dehydrogenase:
D-mannitol 1-phosphate + NAD+→β-D-fructofuranose 6-phosphate + NADH + H+ (EC 1.1.1.17)
No genes
Sorbitol-6-phosphate 2-dehydrogenase:
D-sorbitol 6-phosphate + NAD+→keto-D-fructose 6-phosphate + NADH + H+ (EC 1.1.1.140)
No genes
6-phosphofructokinase:
β-D-fructofuranose 6-phosphate + ATP→β-D-fructofuranose 1,6-bisphosphate + ADP + H+ (EC 2.7.1.11)
AZOBR_RS06155 -0.8
Fructose-bisphosphate aldolase:
β-D-fructofuranose 1,6-bisphosphate→glycerone phosphate + D-glyceraldehyde 3-phosphate (EC 4.1.2.13)
AZOBR_RS10395 -0.2
AZOBR_RS30885 -0.5
AZOBR_RS31235 +0.1
Fructose-bisphosphatase:
β-D-fructofuranose 1,6-bisphosphate + H2O→β-D-fructofuranose 6-phosphate + phosphate (EC 3.1.3.11)
AZOBR_RS07840 N.D.
Triose-phosphate isomerase (in reverse):
glycerone phosphate→D-glyceraldehyde 3-phosphate (EC 5.3.1.1)
No genes
Glyceraldehyde-3-phosphate dehydrogenase (phosphorylating):
D-glyceraldehyde 3-phosphate + NAD+ + phosphate→3-phospho-D-glyceroyl phosphate + NADH + H+ (EC 1.2.1.12)
AZOBR_RS10375 +0.2
Phosphoglycerate kinase (in reverse):
3-phospho-D-glyceroyl phosphate + ADP→3-phospho-D-glycerate + ATP (EC 2.7.2.3)
AZOBR_RS03885 N.D.
3-phospho-D-glycerate→2-phospho-D-glycerate (EC 5.4.2.12)
AZOBR_RS04055 N.D.
AZOBR_RS19425 +0.2
3-phospho-D-glycerate→2-phospho-D-glycerate (EC 5.4.2.11)
AZOBR_RS19425 +0.2
Phosphopyruvate hydratase:
2-phospho-D-glycerate→phosphoenolpyruvate + H2O (EC 4.2.1.11)
AZOBR_RS07555 N.D.
AZOBR_RS30200 N.D.
Pyruvate, water dikinase:
pyruvate + ATP + H2O→phosphoenolpyruvate + AMP + 2 H+ + phosphate (EC 2.7.9.2)
No genes
Pyruvate kinase (in reverse):
phosphoenolpyruvate + ADP + H+→pyruvate + ATP (EC 2.7.1.40)
AZOBR_RS06845 +0.5
AZOBR_RS21415 +0.4
Formate C-acetyltransferase (in reverse):
pyruvate + coenzyme A→acetyl-CoA + formate (EC 2.3.1.54)
AZOBR_RS21180 -0.9
AZOBR_RS30150 -1.3
AZOBR_RS30195 -0.3
Acetaldehyde dehydrogenase (acetylating) (in reverse):
acetyl-CoA + NADH + H+→acetaldehyde + coenzyme A + NAD+ (EC 1.2.1.10)
AZOBR_RS32240 -0.1
L-lactate dehydrogenase (in reverse):
pyruvate + NADH + H+→(S)-lactate + NAD+ (EC 1.1.1.27)
AZOBR_RS01310 +1.0
AZOBR_RS01615 +0.3
AZOBR_RS01620 +0.0
AZOBR_RS25115 -0.0
Phosphate acetyltransferase:
acetyl-CoA + phosphate→acetyl phosphate + coenzyme A (EC 2.3.1.8)
AZOBR_RS04600 -0.7
AZOBR_RS12500 -2.3
AZOBR_RS32455 -0.8
Acetate kinase (in reverse):
acetyl phosphate + ADP→acetate + ATP (EC 2.7.2.1; 2.7.2.15)
AZOBR_RS04605 -0.1
AZOBR_RS12495 -1.6
Alcohol dehydrogenase (in reverse):
acetaldehyde + NADH + H+→ethanol + NAD+ (EC 1.1.1.1)
AZOBR_RS06065 +0.0
AZOBR_RS10415 -0.1
AZOBR_RS13230 -0.3
AZOBR_RS16515 +0.4
AZOBR_RS20975 +0.1
AZOBR_RS26265 +0.0
AZOBR_RS26520 -0.3
AZOBR_RS27605 +0.6
AZOBR_RS28580 -0.3
AZOBR_RS32240 -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