| Domain | Name | Category | Type |
| IPR001944 | Glycoside hydrolase, family 35 | Family | Family |
| IPR008979 | Galactose-binding-like domain superfamily | Family | Homologous superfamily |
| IPR017853 | Glycoside hydrolase superfamily | Family | Homologous superfamily |
| IPR019801 | Glycoside hydrolase, family 35, conserved site | Site | Conserved site |
| IPR025300 | Beta-galactosidase jelly roll domain | Domain | Domain |
| IPR026283 | Beta-galactosidase 1-like | Family | Family |
| IPR031330 | Glycoside hydrolase 35, catalytic domain | Domain | Domain |