Structures and biochemistry reveal how covalent linkage of a ubiquitin-like protein elicits protein–protein interactions indirectly. NEDD8 allosterically activates CUL5-RBX2 cullin-RING E3 binding to the ARIH2 RBR-type E3 for joint ubiquitylation.
- Sebastian Kostrhon
- J. Rajan Prabu
- Brenda A. Schulman