| IPR059019 | DNA-binding transcriptional repressor CapW, winged helix-turn-helix domain | Domain |
| IPR059020 | DNA-binding transcriptional repressor CapW, C-terminal dimerisation domain | Domain |
| IPR016634 | DNA-binding transcriptional repressor CapW-like | Family |
| IPR051534 | CBASS antivirus and pafABC operon-associated protein | Family |
| IPR026881 | WYL domain | Domain |