| Domain | Name | Category | Type |
| IPR000049 | Electron transfer flavoprotein, beta-subunit, conserved site | Site | Conserved site |
| IPR012255 | Electron transfer flavoprotein, beta subunit | Family | Family |
| IPR014729 | Rossmann-like alpha/beta/alpha sandwich fold | Family | Homologous superfamily |
| IPR014730 | Electron transfer flavoprotein, alpha/beta-subunit, N-terminal | Domain | Domain |
| IPR033948 | Electron transfer flavoprotein, beta subunit, N-terminal | Domain | Domain |