| IPR012001 | Thiamine pyrophosphate enzyme, N-terminal TPP-binding domain | Domain |
| IPR047214 | Pyruvate decarboxylase/indolepyruvate decarboxylase-like, PP-binding domain | Domain |
| IPR012000 | Thiamine pyrophosphate enzyme, central domain | Domain |
| IPR029061 | Thiamin diphosphate-binding fold | Homologous Superfamily |
| IPR012110 | Pyruvate decarboxylase/indolepyruvate decarboxylase-like | Family |
| IPR047213 | Pyruvate decarboxylase/indolepyruvate decarboxylase-like, pyrimidine-binding domain | Domain |
| IPR029035 | DHS-like NAD/FAD-binding domain superfamily | Homologous Superfamily |
| IPR011766 | Thiamine pyrophosphate enzyme, TPP-binding | Domain |