| Subfamily | Family | Superfamily | Architecture | Class | Structure |
|---|---|---|---|---|---|
| Intron_gpI-IA1 | Intron_gpI-IA | Intron_gpI | Intron_gpI-like | structured_complex | |
| Intron_gpI-IA2 | Intron_gpI-IA | Intron_gpI | Intron_gpI-like | structured_complex | |
| Intron_gpI-IA3 | Intron_gpI-IA | Intron_gpI | Intron_gpI-like | structured_complex |