Summary for clan GC
| Description | Water nucleophile; water bound by Glu and His; all endopeptidases | ||
Families
| Family | Family Type Peptidase | Structure |
| G4 | Tiki1 peptidase (Homo sapiens) | - |
| G6 | Ras/Rap1-specific peptidase (Vibrio vulnificus) | - |
Distribution of clan GC among Kingdoms of Organisms
| Family | Bacteria | Archaea | Protozoa | Fungi | Plants | Animals | Viruses |
| G4 | - | - | - | - | - | - | - |
| G6 | - | - | - | - | - | - | - |
| Clan | - | - | - | - | - | - | - |
