| Domain | Name | Category | Type |
| IPR006282 | Thiamin pyrophosphokinase | Family | Family |
| IPR007371 | Thiamin pyrophosphokinase, catalytic domain | Domain | Domain |
| IPR007373 | Thiamin pyrophosphokinase, thiamin-binding domain | Domain | Domain |
| IPR016966 | Thiamin pyrophosphokinase, eukaryotic | Family | Family |
| IPR036371 | Thiamin pyrophosphokinase, thiamin-binding domain superfamily | Family | Homologous superfamily |
| IPR036759 | Thiamin pyrophosphokinase, catalytic domain superfamily | Family | Homologous superfamily |