| Domain | Name | Category | Type |
| IPR000306 | FYVE zinc finger | Domain | Domain |
| IPR011011 | Zinc finger, FYVE/PHD-type | Family | Homologous superfamily |
| IPR013083 | Zinc finger, RING/FYVE/PHD-type | Family | Homologous superfamily |
| IPR017455 | Zinc finger, FYVE-related | Domain | Domain |
| IPR032031 | Zinc finger FYVE domain-containing protein 21, C-terminal | Domain | Domain |
| IPR038632 | Zinc finger FYVE 21, C-terminal domain superfamily | Family | Homologous superfamily |