| Domain | Name | Category | Type |
| IPR013538 | Activator of Hsp90 ATPase homologue 1-like | Family | Family |
| IPR015310 | Activator of Hsp90 ATPase, N-terminal | Domain | Domain |
| IPR023393 | START-like domain superfamily | Family | Homologous superfamily |
| IPR036338 | Activator of Hsp90 ATPase, Aha1 | Family | Homologous superfamily |
| IPR039981 | Activator of 90kDa heat shock protein ATPase-like | Family | Family |