| Strain | Pseudomonas aeruginosa M18 |
| GI | 386056506 |
| Locus Tag | PAM18_0437 |
| Description | cytosine deaminase |
| Strain | Pseudomonas stutzeri ATCC 17588 = LMG 11199 |
| GI | 339495619 |
| Locus Tag | PSTAB_3542 |
| Description | cytosine deaminase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647817 |
| Locus Tag | HCH_05147 |
| Description | cytosine deaminase |