| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472325761 |
| Locus Tag | H681_12985 |
| Description | cytosine permease |
| Strain | Pseudomonas aeruginosa 2192 |
| GI | 254243536 |
| Locus Tag | PA2G_04354 |
| Description | cytosine permease |
| Strain | Pseudomonas fluorescens Pf0-1 |
| GI | 77460000 |
| Locus Tag | Pfl01_3778 |
| Description | cytosine permease |