TABLE 1.
E. coli operons with confirmed ς54-dependent promoters
| Operon | Regulator | Function | Promoter sequencea |
|---|---|---|---|
| argT-hisJQMP | NRI-NRII | Arginine, histidine transport | CAAGA TGGCA TAAGA CCTGC ATGAA AGAG |
| astCADBE | NRI-NRII-ArgR | Arginine catabolism | CTGGC TGGCA CGAAC CCTGC AATCT ACAT |
| atoDAEB | AtoC-AtoS | Acetoacetate catabolism | CATTC TGGCA CTCCC CTTGC TATTG CCTG |
| fdhF | FhlA | FDH | AAATG TGGCA TAAAA GATGC ATACT GTAG |
| glnALG | NRI-NRII | Nitrogen assimilation | AAAGT TGGCA CAGAT TTCGC TTTAT CTTT |
| glnHPQ | NRI-NRII | Glutamine transport | AAAAC TGGCA CGATT TTTTC ATATA TGTG |
| glnK-amtB | NRI-NRII | PII paralog, NH3 transport | ATTTC TGGCA CACCG CTTGC AATAC CTTC |
| hycABCDEFGHI | FhlA | Hydrogenase | AAAGT TGGCA CAAAA AATGC TTAAA GCTG |
| hydN-hypF | FhlA | Hydrogenase | AAAGA TGGCA TGATT TCTGC TGTCA GAAA |
| hypABCDE-fhlA | FhlA | Hydrogenase | AACAC TGGCA CAATT ATTGC TTGTA GCTG |
| nac | NRI-NRII | Nitrogen assimilation | AAAAC TGGCA AGCAT CTTGC AATCT GGTT |
| prpBCDE | PrpR | Propionate catabolism | AATTG TGGCA CACCC CTTGC TTTGT CTTT |
| pspABCDE | PspF | Phage shock and other stresses | AAAAT TGGCA CGCAA ATTGT ATTAA CAGT |
| rtcBA | RtcR | RNA terminal cyclase | TTTTC TGGCA CGACG GTTGC AATTA TCAG |
| ygjG | NRI-NRII? | Uncharacterized transaminase | CGGAG TGGCG CAATC CCTGC AATAC TTAA |
| zraP | ZraR-ZraS | Zinc tolerance | ATCGT TGGCA CGGAA GATGC AATAC CCGA |
| zraSR (hydGH) | ZraR-ZraS | Regulators of zinc tolerance | AAAGA TGGCA TGATT TCTGC TGTCA CCGA |
a
Residues that are conserved 100% are shown in bold type.