| Strain | Pseudomonas aeruginosa UCBPP-PA14 |
| GI | 116049425 |
| Locus Tag | PA14_45290 |
| Description | cytochrome C-type biogenesis protein CcmH |
| Strain | Pseudomonas stutzeri RCH2 |
| GI | 431926906 |
| Locus Tag | Psest_1761 |
| Description | c-type cytochromes biosynthesis protein |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647058 |
| Locus Tag | HCH_04362 |
| Description | CcmH family cytochrome c biogenesis protein |