| Domain | Name | Category | Type |
| IPR000053 | Thymidine/pyrimidine-nucleoside phosphorylase | Family | Family |
| IPR000312 | Glycosyl transferase, family 3 | Domain | Domain |
| IPR013102 | Pyrimidine nucleoside phosphorylase, C-terminal | Domain | Domain |
| IPR017459 | Glycosyl transferase family 3, N-terminal domain | Domain | Domain |
| IPR017872 | Pyrimidine-nucleoside phosphorylase, conserved site | Site | Conserved site |
| IPR018090 | Pyrimidine-nucleoside phosphorylase, bacterial/eukaryotic | Family | Family |
| IPR035902 | Nucleoside phosphorylase/phosphoribosyltransferase catalytic domain superfamily | Family | Homologous superfamily |
| IPR036320 | Glycosyl transferase family 3, N-terminal domain superfamily | Family | Homologous superfamily |
| IPR036566 | Pyrimidine nucleoside phosphorylase-like, C-terminal domain superfamily | Family | Homologous superfamily |