| Strain | Pseudomonas aeruginosa UCBPP-PA14 |
| GI | 116049418 |
| Locus Tag | PA14_45380 |
| Description | cytochrome c biogenesis protein CcmA |
| Strain | Pseudomonas resinovorans NBRC 106553 |
| GI | 512619620 |
| Locus Tag | PCA10_39670 |
| Description | heme ABC transporter ATP-binding protein CcmA |
| Strain | Pseudomonas syringae pv. tomato str. DC3000 |
| GI | 28870792 |
| Locus Tag | PSPTO_3635 |
| Description | heme exporter protein CcmA |