CATH Classification
| Level | CATH Code | Description | 
|---|---|---|
 
	 | 
    2 | Mainly Beta | 
 
	 | 
    2.40 | Beta Barrel | 
 
	 | 
    2.40.128 | Lipocalin | 
 
	 | 
    2.40.128.20 | Calycin beta-barrel core domain | 
Domain Context
CATH Clusters
| Superfamily | 2.40.128.20 | 
| Functional Family | Retinol-binding protein 4 | 
Enzyme Information
UniProtKB Entries (1)
| P02753 | 
						 RET4_HUMAN 
						Homo sapiens 
						Retinol-binding protein 4 
					 | 
				
PDB Structure
| PDB | 5NUB | 
| External Links | |
| Method | X-RAY DIFFRACTION | 
| Organism | |
| Primary Citation | 
					 Human plasma retinol-binding protein (RBP4) is also a fatty acid-binding protein. 
					    
					    Biochim. Biophys. Acta 
					    
					 | 
			
