| Strain | Pseudomonas aeruginosa UCBPP-PA14 |
| GI | 116054169 |
| Locus Tag | PA14_05700 |
| Description | cytosine permease |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472325761 |
| Locus Tag | H681_12985 |
| Description | cytosine permease |
| Strain | Pseudomonas protegens Pf-5 |
| GI | 161501969 |
| Locus Tag | PFL_4032 |
| Description | cytosine permease |