Table 2.
The 30 pathways that occur most frequently across the BioCyc databases, and their frequency (f) of occurrence
| PATHWAY-UNIQUE ID | Pathway description | f |
|---|---|---|
| PWY0-162 | De novo biosynthesis of pyrimidine ribonucleotides | 153 |
| GLYCOLYSIS | Glycolysis I | 152 |
| TRNA-CHARGING-PWY | tRNA charging pathway | 152 |
| DENOVOPURINE2-PWY | Purine nucleotides de novo biosynthesis I | 152 |
| PWY0-166 | De novo biosynthesis of pyrimidine deoxyribonucleotides | 151 |
| PHOSLIPSYN-PWY | Phospholipid biosynthesis I | 150 |
| GLYSYN-PWY | Glycine biosynthesis I | 149 |
| HEMESYN2-PWY | Biosynthesis of proto- and sirohaeme | 146 |
| P1-PWY | Salvage pathways of purine and pyrimidine nucleotides | 144 |
| FASYN-INITIAL-PWY | Fatty acid biosynthesis—initial steps | 144 |
| 1CMET2-PWY | formylTHF biosynthesis | 144 |
| PWY0-163 | Salvage pathways of pyrimidine ribonucleotides | 142 |
| P106-PWY | Serine-isocitrate lyase pathway | 142 |
| THIOREDOX-PWY | Thioredoxin pathway | 140 |
| ARO-PWY | Chorismate biosynthesis | 139 |
| P124-PWY | Glucose fermentation to lactate II | 139 |
| CALVIN-PWY | Calvin cycle | 136 |
| FOLSYN-PWY | Tetrahydrofolate biosynthesis | 136 |
| PWY0-662 | PRPP biosynthesis I | 136 |
| RIBOKIN-PWY | Ribose degradation | 133 |
| TRPSYN-PWY | Tryptophan biosynthesis | 133 |
| PEPTIDOGLYCANSYN-PWY | Peptidoglycan biosynthesis | 133 |
| PWY0-901 | Selenocysteine biosynthesis | 132 |
| FASYN-ELONG-PWY | Fatty acid elongation—saturated | 131 |
| PWY-841 | Purine nucleotides de novo biosynthesis II | 131 |
| RIBOSYN2-PWY | Riboflavin and FMN and FAD biosynthesis | 130 |
| P61-PWY | UDP-glucose conversion | 130 |
| DAPLYSINESYN-PWY | Lysine biosynthesis I | 130 |
| ILEUSYN-PWY | Isoleucine biosynthesis I | 130 |
| ACETATEUTIL-PWY | Acetate utilization | 129 |