CATH Classification
| Level | CATH Code | Description | 
|---|---|---|
 
	 | 
    3 | Alpha Beta | 
 
	 | 
    3.20 | Alpha-Beta Barrel | 
 
	 | 
    3.20.20 | TIM Barrel | 
 
	 | 
    3.20.20.80 | Glycosidases | 
Domain Context
CATH Clusters
| Superfamily | Glycosidases | 
| Functional Family | Beta-galactosidase A | 
Enzyme Information
| 3.2.1.23 | 
							 Beta-galactosidase. 
							based on mapping to UniProt A2QAN3 		
							Hydrolysis of terminal non-reducing beta-D-galactose residues in beta-D- galactosides. 
							-!- Some enzymes in this group hydrolyze alpha-L-arabinosides; some animal enzymes also hydrolyze beta-D-fucosides and beta-D-glucosides (cf. EC 3.2.1.108). 
						 | 
					
UniProtKB Entries (1)
| A2QAN3 | 
						 BGALA_ASPNC 
						Aspergillus niger CBS 513.88 
						Beta-galactosidase A 
					 | 
				
PDB Structure
| PDB | 5IFP | 
| External Links | |
| Method | X-RAY DIFFRACTION | 
| Organism | |
| Primary Citation | 
					 Structural features of Aspergillus niger beta-galactosidase define its activity against glycoside linkages. 
					    
					    FEBS J. 
					    
					 | 
			
