| Domain | Name | Category | Type |
| IPR005814 | Aminotransferase class-III | Family | Family |
| IPR010164 | Ornithine aminotransferase | Family | Family |
| IPR015421 | Pyridoxal phosphate-dependent transferase, major domain | Family | Homologous superfamily |
| IPR015422 | Pyridoxal phosphate-dependent transferase, small domain | Family | Homologous superfamily |
| IPR015424 | Pyridoxal phosphate-dependent transferase | Family | Homologous superfamily |