| Domain | Name | Category | Type |
| IPR001436 | Alpha crystallin/Small heat shock protein, animal type | Family | Family |
| IPR002068 | Alpha crystallin/Hsp20 domain | Domain | Domain |
| IPR003090 | Alpha-crystallin, N-terminal | Domain | Domain |
| IPR008978 | HSP20-like chaperone | Family | Homologous superfamily |
| IPR012274 | Alpha-crystallin, subunit A | Family | Family |