| Domain | Name | Category | Type |
| IPR002715 | Nascent polypeptide-associated complex NAC domain | Domain | Domain |
| IPR016641 | Nascent polypeptide-associated complex subunit alpha | Family | Family |
| IPR038187 | NAC A/B domain superfamily | Family | Homologous superfamily |
| IPR041907 | NAC-alpha domain-containing protein 1, UBA-like domain | Domain | Domain |
| IPR044034 | Nascent polypeptide-associated complex subunit alpha-like, UBA domain | Domain | Domain |