| Pathway | #Steps | #Present | #Specific |
|---|
| acetate and ATP formation from acetyl-CoA I | 2 | 2 | 2 |
| superpathway of acetate utilization and formation | 3 | 3 | 2 |
| malonate degradation I (biotin-independent) | 3 | 3 | 2 |
| pyruvate fermentation to acetate II | 3 | 3 | 2 |
| pyruvate fermentation to acetate I | 3 | 2 | 2 |
| pyruvate fermentation to acetate IV | 3 | 2 | 2 |
| pyruvate fermentation to acetate VII | 3 | 2 | 2 |
| pyruvate fermentation to acetate and (S)-lactate I | 4 | 4 | 2 |
| putrescine degradation V | 2 | 2 | 1 |
| pyruvate fermentation to acetate and lactate II | 4 | 3 | 2 |
| glycine degradation (reductive Stickland reaction) | 2 | 1 | 1 |
| phenylethylamine degradation II | 2 | 1 | 1 |
| sulfoacetaldehyde degradation I | 2 | 1 | 1 |
| putrescine degradation I | 2 | 1 | 1 |
| ethylene glycol degradation | 2 | 1 | 1 |
| phenylethanol degradation | 2 | 1 | 1 |
| phenylethylamine degradation I | 2 | 1 | 1 |
| ethanolamine utilization | 5 | 5 | 2 |
| acetylene degradation (anaerobic) | 5 | 4 | 2 |
| (S)-propane-1,2-diol degradation | 5 | 3 | 2 |
| ethanol degradation II | 3 | 3 | 1 |
| ethanol degradation IV | 3 | 3 | 1 |
| fatty acid biosynthesis initiation (type II) | 3 | 3 | 1 |
| L-threonine degradation I | 6 | 5 | 2 |
| L-phenylalanine degradation II (anaerobic) | 3 | 2 | 1 |
| hypotaurine degradation | 3 | 2 | 1 |
| ethanol degradation III | 3 | 2 | 1 |
| putrescine degradation IV | 3 | 2 | 1 |
| methanogenesis from acetate | 6 | 2 | 2 |
| histamine degradation | 3 | 1 | 1 |
| styrene degradation | 3 | 1 | 1 |
| pyrroloquinoline quinone biosynthesis | 7 | 4 | 2 |
| acetyl-CoA fermentation to butanoate | 7 | 4 | 2 |
| phytol degradation | 4 | 3 | 1 |
| fatty acid biosynthesis initiation (mitochondria) | 4 | 2 | 1 |
| fatty acid α-oxidation I (plants) | 4 | 2 | 1 |
| lactate fermentation to acetate, CO2 and hydrogen (Desulfovibrionales) | 8 | 3 | 2 |
| fatty acid biosynthesis initiation (plant mitochondria) | 4 | 1 | 1 |
| L-tryptophan degradation X (mammalian, via tryptamine) | 4 | 1 | 1 |
| putrescine degradation III | 4 | 1 | 1 |
| D-arabinose degradation II | 4 | 1 | 1 |
| sulfolactate degradation II | 4 | 1 | 1 |
| superpathway of fermentation (Chlamydomonas reinhardtii) | 9 | 5 | 2 |
| superpathway of Clostridium acetobutylicum acidogenic fermentation | 9 | 5 | 2 |
| superpathway of L-alanine fermentation (Stickland reaction) | 9 | 4 | 2 |
| superpathway of fatty acid biosynthesis initiation | 5 | 4 | 1 |
| mitochondrial NADPH production (yeast) | 5 | 3 | 1 |
| octane oxidation | 5 | 3 | 1 |
| sphingosine and sphingosine-1-phosphate metabolism | 10 | 4 | 2 |
| L-lysine fermentation to acetate and butanoate | 10 | 3 | 2 |
| dopamine degradation | 5 | 1 | 1 |
| gallate degradation III (anaerobic) | 11 | 5 | 2 |
| glyoxylate cycle | 6 | 5 | 1 |
| 3-methyl-branched fatty acid α-oxidation | 6 | 3 | 1 |
| superpathway of sulfolactate degradation | 6 | 2 | 1 |
| alkane oxidation | 6 | 1 | 1 |
| superpathway of taurine degradation | 6 | 1 | 1 |
| (S)-lactate fermentation to propanoate, acetate and hydrogen | 13 | 5 | 2 |
| noradrenaline and adrenaline degradation | 13 | 4 | 2 |
| superpathway of glycol metabolism and degradation | 7 | 5 | 1 |
| serotonin degradation | 7 | 3 | 1 |
| ceramide degradation by α-oxidation | 7 | 2 | 1 |
| pederin biosynthesis | 14 | 2 | 2 |
| limonene degradation IV (anaerobic) | 7 | 1 | 1 |
| mixed acid fermentation | 16 | 12 | 2 |
| superpathway of ornithine degradation | 8 | 6 | 1 |
| superpathway of NAD/NADP - NADH/NADPH interconversion (yeast) | 8 | 5 | 1 |
| ceramide and sphingolipid recycling and degradation (yeast) | 16 | 4 | 2 |
| Salmonella enterica serotype O:8 O antigen biosynthesis | 8 | 1 | 1 |
| aromatic biogenic amine degradation (bacteria) | 8 | 1 | 1 |
| superpathway of Clostridium acetobutylicum acidogenic and solventogenic fermentation | 17 | 8 | 2 |
| superpathway of L-threonine metabolism | 18 | 13 | 2 |
| reductive glycine pathway of autotrophic CO2 fixation | 9 | 5 | 1 |
| Entner-Doudoroff pathway II (non-phosphorylative) | 9 | 5 | 1 |
| L-phenylalanine degradation IV (mammalian, via side chain) | 9 | 3 | 1 |
| hexitol fermentation to lactate, formate, ethanol and acetate | 19 | 16 | 2 |
| bryostatin biosynthesis | 19 | 2 | 2 |
| superpathway of methanogenesis | 21 | 2 | 2 |
| superpathway of N-acetylneuraminate degradation | 22 | 14 | 2 |
| superpathway of L-arginine, putrescine, and 4-aminobutanoate degradation | 11 | 6 | 1 |
| superpathway of phenylethylamine degradation | 11 | 4 | 1 |
| mycobactin biosynthesis | 11 | 1 | 1 |
| superpathway of glyoxylate bypass and TCA | 12 | 11 | 1 |
| purine nucleobases degradation II (anaerobic) | 24 | 16 | 2 |
| superpathway of L-arginine and L-ornithine degradation | 13 | 8 | 1 |
| superpathway of glyoxylate cycle and fatty acid degradation | 14 | 11 | 1 |
| Bifidobacterium shunt | 15 | 15 | 1 |
| purine nucleobases degradation I (anaerobic) | 15 | 6 | 1 |
| superpathway of fatty acid biosynthesis I (E. coli) | 16 | 15 | 1 |
| heterolactic fermentation | 18 | 15 | 1 |
| superpathway of L-lysine degradation | 43 | 11 | 2 |
| superpathway of glycolysis, pyruvate dehydrogenase, TCA, and glyoxylate bypass | 26 | 23 | 1 |
| mupirocin biosynthesis | 26 | 2 | 1 |
| anaerobic aromatic compound degradation (Thauera aromatica) | 27 | 3 | 1 |
| corallopyronin A biosynthesis | 30 | 2 | 1 |
| superpathway of pentose and pentitol degradation | 42 | 7 | 1 |
| superpathway of fatty acid biosynthesis II (plant) | 43 | 38 | 1 |
| superpathway of fatty acids biosynthesis (E. coli) | 53 | 51 | 1 |