| Domain | Name | Category | Type |
| IPR002365 | Terpene synthase, conserved site | Site | Conserved site |
| IPR008930 | Terpenoid cyclases/protein prenyltransferase alpha-alpha toroid | Family | Homologous superfamily |
| IPR018333 | Squalene cyclase | Family | Family |
| IPR032696 | Squalene cyclase, C-terminal | Domain | Domain |
| IPR032697 | Squalene cyclase, N-terminal | Domain | Domain |