| Strain | Pseudomonas fluorescens Pf0-1 | 
| GI | 77460000 | 
| Locus Tag | Pfl01_3778 | 
| Description | cytosine permease | 
| Strain | Pseudomonas putida H8234 | 
| GI | 512578172 | 
| Locus Tag | L483_17540 | 
| Description | cytosine permease | 
| Strain | Pseudomonas aeruginosa 2192 | 
| GI | 254243536 | 
| Locus Tag | PA2G_04354 | 
| Description | cytosine permease |