| IPR015421 | Pyridoxal phosphate-dependent transferase, major domain | Homologous Superfamily |
| IPR015422 | Pyridoxal phosphate-dependent transferase, small domain | Homologous Superfamily |
| IPR011193 | Ornithine/lysine/arginine decarboxylase | Family |
| IPR008286 | Orn/Lys/Arg decarboxylase, C-terminal | Domain |
| IPR005308 | Orn/Lys/Arg decarboxylase, N-terminal | Domain |
| IPR036633 | Orn/Lys/Arg decarboxylase, C-terminal domain superfamily | Homologous Superfamily |
| IPR015424 | Pyridoxal phosphate-dependent transferase | Homologous Superfamily |
| IPR000310 | Orn/Lys/Arg decarboxylase, major domain | Domain |