| Domain | Name | Category | Type |
| IPR000432 | DNA mismatch repair protein MutS, C-terminal | Domain | Domain |
| IPR007696 | DNA mismatch repair protein MutS, core | Domain | Domain |
| IPR007861 | DNA mismatch repair protein MutS, clamp | Domain | Domain |
| IPR011184 | DNA mismatch repair Msh2-type | Family | Family |
| IPR027417 | P-loop containing nucleoside triphosphate hydrolase | Family | Homologous superfamily |
| IPR036187 | DNA mismatch repair protein MutS, core domain superfamily | Family | Homologous superfamily |