CATH Classification
| Level | CATH Code | Description | 
|---|---|---|
|   | 1 | Mainly Alpha | 
|   | 1.10 | Orthogonal Bundle | 
|   | 1.10.10 | Arc Repressor Mutant, subunit A | 
|   | 1.10.10.520 | Ubiquitin activating enzymes (Uba3). Chain: B, domain 2 | 
Domain Context
CATH Clusters
| Superfamily | Ubiquitin activating enzymes (Uba3). Chain: B, domain 2 | 
| Functional Family | NEDD8-activating enzyme E1 catalytic subunit | 
Enzyme Information
| 6.2.1.- | Acid--thiol ligases. based on mapping to UniProt Q8TBC4 | 
UniProtKB Entries (1)
| Q13564 | ULA1_HUMAN Homo sapiens NEDD8-activating enzyme E1 regulatory subunit | 
PDB Structure
| PDB | 2NVU | 
| External Links | |
| Method | X-RAY DIFFRACTION | 
| Organism | Escherichia | 
| Primary Citation | Basis for a ubiquitin-like protein thioester switch toggling E1-E2 affinity. Nature | 
