| Domain | Name | Category | Type |
| IPR001261 | ArgE/DapE/ACY1/CPG2/YscS, conserved site | Site | Conserved site |
| IPR002933 | Peptidase M20 | Family | Family |
| IPR010159 | N-acyl-L-amino-acid amidohydrolase | Family | Family |
| IPR011650 | Peptidase M20, dimerisation domain | Domain | Domain |
| IPR036264 | Bacterial exopeptidase dimerisation domain | Family | Homologous superfamily |