| Domain | Name | Category | Type |
| IPR002638 | Quinolinate phosphoribosyl transferase, C-terminal | Domain | Domain |
| IPR004393 | Nicotinate-nucleotide pyrophosphorylase | Family | Family |
| IPR013785 | Aldolase-type TIM barrel | Family | Homologous superfamily |
| IPR022412 | Quinolinate phosphoribosyl transferase, N-terminal | Domain | Domain |
| IPR027277 | Nicotinate-nucleotide pyrophosphorylase/Putative pyrophosphorylase ModD | Family | Family |
| IPR036068 | Nicotinate phosphoribosyltransferase-like, C-terminal | Family | Homologous superfamily |
| IPR037128 | Quinolinate phosphoribosyl transferase, N-terminal domain superfamily | Family | Homologous superfamily |