| Domain | Name | Category | Type |
| IPR003495 | CobW/HypB/UreG, nucleotide-binding domain | Domain | Domain |
| IPR011629 | Cobalamin (vitamin B12) biosynthesis CobW-like, C-terminal | Domain | Domain |
| IPR027417 | P-loop containing nucleoside triphosphate hydrolase | Family | Homologous superfamily |
| IPR036627 | CobW-like, C-terminal domain superfamily | Family | Homologous superfamily |