| Domain | Name | Category | Type |
| IPR004875 | DDE superfamily endonuclease domain | Domain | Domain |
| IPR006600 | HTH CenpB-type DNA-binding domain | Domain | Domain |
| IPR007889 | DNA binding HTH domain, Psq-type | Domain | Domain |
| IPR009057 | Homeobox-like domain superfamily | Family | Homologous superfamily |
| IPR015115 | Centromere protein CENP-B, C-terminal domain | Domain | Domain |
| IPR033062 | Major centromere autoantigen B | Family | Family |
| IPR034882 | CENP-B, dimerisation domain superfamily | Family | Homologous superfamily |