| Strain | Pseudomonas stutzeri DSM 4166 |
| GI | 386019495 |
| Locus Tag | PSTAA_0867 |
| Description | xanthine and Co dehydrogenase maturation factor |
| Strain | Pseudomonas protegens CHA0 |
| GI | 501679282 |
| Locus Tag | PFLCHA0_c18220 |
| Description | XdhC/CoxI family protein |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83644438 |
| Locus Tag | HCH_01591 |
| Description | CO dehydrogenase maturation factor |