| Strain | Pseudomonas fluorescens Pf0-1 |
| GI | 77460000 |
| Locus Tag | Pfl01_3778 |
| Description | cytosine permease |
| Strain | Pseudomonas putida DOT-T1E |
| GI | 397693804 |
| Locus Tag | T1E_1035 |
| Description | cytosine permease |
| Strain | Pseudomonas aeruginosa 39016 |
| GI | 313111937 |
| Locus Tag | PA39016_004050011 |
| Description |