Summary for clan G-
Families
| Family | Family Type Peptidase | Structure |
| G3 | strawberry mottle virus glutamic peptidase (strawberry mottle virus) | - |
| G5 | RCE1 peptidase ({Saccharomyces cerevisiae}-type) (Saccharomyces cerevisiae) | - |
Distribution of clan G- among Kingdoms of Organisms
| Family | Bacteria | Archaea | Protozoa | Fungi | Plants | Animals | Viruses |
| G3 | - | - | - | - | - | - | - |
| G5 | - | - | - | - | - | - | - |
| Clan | - | - | - | - | - | - | - |
