| CDS description | CDS accession | Island | Host Description |
|---|
| putative RNA polymerase sigma-54 factor | NC_016776:4982094:4987123 | NC_016776:4982094 | Bacteroides fragilis 638R, complete genome |
| putative RNA polymerase sigma-54 factor | NC_003228:4895326:4900356 | NC_003228:4895326 | Bacteroides fragilis NCTC 9343, complete genome |
| putative RNA polymerase sigma-54 factor | NC_014328:4249032:4263165 | NC_014328:4249032 | Clostridium ljungdahlii ATCC 49587 chromosome, complete genome |
| putative RNA polymerase sigma-54 factor RpoN | NC_020291:5641444:5654139 | NC_020291:5641444 | Clostridium saccharoperbutylacetonicum N1-4(HMT), complete genome |