Table 2.
Genes of three E. coli regulons sampled using the mean SOS minus one standard deviation (Cutoff values are shown in parenthesis in the leftmost column.)
| Regulon | Gene | SOS | Product |
| FruR (0.1) | purB | 0.44 | adenylosuccinate lyase |
| fruA | 0.69 | PTS family enzyme IIB'BC, fructose-specific | |
| fruB | 0.69 | PTS family enzyme IIA (N-terminal); FPr (C-terminal), fructose-specific | |
| fruK | 0.69 | fructose-1-phosphate kinase | |
| icda | 0.54 | e14 prophage; isocitrate dehydrogenase, specific for NADP+ | |
| aceB | 0.12 | malate synthase A | |
| aceA | 0.12 | isocitrate lyase | |
| setB | 0.23 | lactose/glucose:proton efflux pump | |
| glk | 0.15 | glucokinase | |
| epd | 0.46 | D-erythrose 4-phosphate dehydrogenase | |
| yibO | 0.14 | phosphoglycerate mutase III | |
| aroP | 0.17 | aromatic amino acid transport protein | |
| tpiA | 0.46 | triosephosphate isomerase | |
| pfkA | 0.46 | 6-phosphofructokinase I | |
| NtrC (0.11) | glnG | 0.55 | NtrC regulator |
| glnL | 0.55 | histidine protein kinase sensor for NtrC regulator | |
| glnA | 0.71 | glutamine synthetase | |
| glnH | 0.11 | high-affinity glutamine transport protein | |
| glnK | 0.31 | nitrogen regulatory protein P-II 2 | |
| amtB | 0.31 | probable ammonium transporter | |
| PurR (0.09) | codB | 0.1 | cytosine permease |
| codA | 0.1 | cytosine deaminase | |
| tsx | 0.12 | nucleoside channel | |
| purK | 0.37 | phosphoribosylaminoimidazole carboxylase (CO2 fixating subunit) | |
| purE | 0.37 | phosphoribosylaminoimidazole carboxylase (catalytic subunit) | |
| prsA | 0.1 | phosphoribosylpyrophosphate synthetase | |
| purR | 0.1 | repressor for purine nucleotide synthesis | |
| purT | 0.71 | phosphoribosylglycinamide formyltransferase 2 | |
| purF | 0.48 | amidophosphoribosyltransferase | |
| cvpa | 0.48 | membrane protein required for colicin V production | |
| upp | 0.35 | uracil phosphoribosyltransferase | |
| purC | 0.18 | phosphoribosylaminoimidazole-succinocarboxamide synthetase | |
| purM | 0.38 | phosphoribosylaminoimidazole synthetase | |
| purN | 0.38 | phosphoribosylglycinamide formyltransferase 1 | |
| glyA | 0.22 | serine hydroxymethyltransferase | |
| purL | 0.42 | phosphoribosylformyl-glycineamide synthetase | |
| yfhD | 0.42 | putative periplasmic binding protein of transport system | |
| gltS | 0.15 | glutamate transport | |
| yicE | 0.33 | putative purine/xanthine transport protein | |
| purH | 0.47 | IMP cyclohydrolase (N-terminal); phosphoribosylaminoimidazolecarboxamide formyltransferase (C-terminal) | |
| purD | 0.47 | phosphoribosylglycinamide synthetase | |