| Strain | Pseudomonas putida KT2440 |
| GI | 26990923 |
| Locus Tag | PP_4231 |
| Description | xanthine dehydrogenase accessory factor |
| Strain | Pseudomonas protegens CHA0 |
| GI | 501679282 |
| Locus Tag | PFLCHA0_c18220 |
| Description | XdhC/CoxI family protein |
| Strain | Pseudomonas stutzeri RCH2 |
| GI | 431928533 |
| Locus Tag | Psest_3448 |
| Description | xanthine and CO dehydrogenases maturation factor, XdhC/CoxF family |