| KEGG ID | KO | Definition |
| mca:MCA0798 | K08967 | dioxygenase, ARD/ARD' family |
| mmt:Metme_4605 | K08967 | Acireductone dioxygenase |
| mdn:JT25_009840 | K08967 | cupin |
| mdh:AYM39_20610 | K08967 | cupin |
| mah:MEALZ_2472 | K08967 | Acireductone dioxygenase |
| mpsy:CEK71_20320 | K08967 | cupin |
| nhl:Nhal_0742 | K08967 | Acireductone dioxygenase ARD |
| nwa:Nwat_0695 | K08967 | Acireductone dioxygenase ARD |
| tee:Tel_07800 | K08967 | cupin |