| Strain | Pseudomonas protegens CHA0 |
| GI | 501679389 |
| Locus Tag | PFLCHA0_c19290 |
| Description | xanthine dehydrogenase molybdenum-binding subunit XdhA |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472326229 |
| Locus Tag | H681_15335 |
| Description | xanthine dehydrogenase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643968 |
| Locus Tag | HCH_01098 |
| Description | xanthine dehydrogenase, molybdopterin-binding subunit B |