| CDS description | CDS accession | Island | Host Description |
|---|
| NifU protein | NC_014328:1307490:1311121 | NC_014328:1307490 | Clostridium ljungdahlii ATCC 49587 chromosome, complete genome |
| nifU protein | NC_008593:1461771:1475210 | NC_008593:1461771 | Clostridium novyi NT, complete genome |
| nifU protein | NC_008262:1950205:1953121 | NC_008262:1950205 | Clostridium perfringens SM101, complete genome |
| NifU protein | NC_003454:677699:695293 | NC_003454:677699 | Fusobacterium nucleatum subsp. nucleatum ATCC 25586, complete |