| IPR000965 | GPR domain | Domain |
| IPR015590 | Aldehyde dehydrogenase domain | Domain |
| IPR016161 | Aldehyde/histidinol dehydrogenase | Homologous Superfamily |
| IPR001048 | Aspartate/glutamate/uridylate kinase | Domain |
| IPR016162 | Aldehyde dehydrogenase, N-terminal | Homologous Superfamily |
| IPR041744 | Bifunctional delta 1-pyrroline-5-carboxylate synthetase, glutamate-5-kinase domain | Domain |
| IPR019797 | Glutamate 5-kinase, conserved site | Conserved Site |
| IPR020593 | Gamma-glutamyl phosphate reductase GPR, conserved site | Conserved Site |
| IPR001057 | Glutamate/acetylglutamate kinase | Family |
| IPR005766 | Delta l-pyrroline-5-carboxylate synthetase | Family |
| IPR016163 | Aldehyde dehydrogenase, C-terminal | Homologous Superfamily |
| IPR005715 | Glutamate 5-kinase/delta-1-pyrroline-5-carboxylate synthase | Family |
| IPR036393 | Acetylglutamate kinase-like superfamily | Homologous Superfamily |