| H [auth N] | IPR011953 | Cobaltochelatase, CobN subunit | Family |
| H [auth N] | IPR003672 | CobN/magnesium chelatase | Domain |
| IPR051928 | NorD/CobT | Family |
| IPR025861 | Cobalamin biosynthesis protein CobT VWA domain | Domain |
| IPR002035 | von Willebrand factor, type A | Domain |
| IPR036465 | von Willebrand factor A-like domain superfamily | Homologous Superfamily |
| IPR006538 | Cobalt chelatase, CobT subunit | Family |
| IPR011704 | ATPase, dynein-related, AAA domain | Domain |
| IPR006537 | Cobaltochelatase subunit CobS | Family |
| IPR025865 | Cobaltochelatase subunit CobS N-terminal domain | Domain |
| IPR050764 | CbbQ/NirQ/NorQ/GpvN | Family |
| IPR027417 | P-loop containing nucleoside triphosphate hydrolase | Homologous Superfamily |