| Subfamily | Family | Superfamily | Architecture | Class | Structure |
|---|---|---|---|---|---|
| Intron_gpI-IE0 | Intron_gpI-IE | Intron_gpI | Intron_gpI-like | structured_complex | |
| Intron_gpI-IE1 | Intron_gpI-IE | Intron_gpI | Intron_gpI-like | structured_complex | |
| Intron_gpI-IE2 | Intron_gpI-IE | Intron_gpI | Intron_gpI-like | structured_complex | |
| Intron_gpI-IE3 | Intron_gpI-IE | Intron_gpI | Intron_gpI-like | structured_complex |