Random triples
| Subject | Object |
|---|---|
| gptkb:Polycomb_Repressive_Complex_1_(PRC1) | monoubiquitination |
| gptkb:Small_ubiquitin-related_modifier_1 | sumoylation |
| gptkb:Polycomb_Repressive_Complex_1 | monoubiquitination |
| gptkb:mouse_Sumo2 | covalent attachment to lysine residues |