| Strain | Pseudomonas aeruginosa M18 |
| GI | 386057136 |
| Locus Tag | PAM18_1069 |
| Description | respiratory nitrate reductase delta chain |
| Strain | Pseudomonas stutzeri DSM 4166 |
| GI | 386019471 |
| Locus Tag | PSTAA_0843 |
| Description | respiratory nitrate reductase delta chain |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83646716 |
| Locus Tag | HCH_04009 |
| Description | nitrate reductase molybdenum cofactor assembly chaperone |