| Strain | Pseudomonas aeruginosa PA7 |
| GI | 152985409 |
| Locus Tag | PSPA7_1735 |
| Description | nitrous oxide reductase maturation protein NosY |
| Strain | Pseudomonas stutzeri A1501 |
| GI | 146283864 |
| Locus Tag | PST_3547 |
| Description | ABC transporter involved in multi-copper enzyme maturation |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83646125 |
| Locus Tag | HCH_03385 |
| Description | multi-copper enzyme maturation ABC transporter permease |