| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15598359 |
| Locus Tag | PA3163 |
| Description | cytidylate kinase |
| Strain | Pseudomonas stutzeri CCUG 29243 |
| GI | 392421532 |
| Locus Tag | A458_12390 |
| Description | cytidylate kinase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647659 |
| Locus Tag | HCH_04979 |
| Description | cytidylate kinase |