| Domain | Name | Category | Type |
| IPR019136 | Transcription factor IIIC subunit 5, HTH domain | Domain | Domain |
| IPR040454 | Transcription factor IIIC subunit Tfc1/Sfc1 | Family | Family |
| IPR041499 | Transcription factor IIIC subunit Tfc1/Sfc1, triple barrel domain | Domain | Domain |
| IPR042536 | TFIIIC, subcomplex tauA subunit Sfc1, triple barrel domain superfamily | Family | Homologous superfamily |