| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15598359 |
| Locus Tag | PA3163 |
| Description | cytidylate kinase |
| Strain | Pseudomonas putida HB3267 |
| GI | 431801326 |
| Locus Tag | B479_06850 |
| Description | cytidylate kinase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647659 |
| Locus Tag | HCH_04979 |
| Description | cytidylate kinase |