CATH Classification
| Level | CATH Code | Description | 
|---|---|---|
|   | 3 | Alpha Beta | 
|   | 3.40 | 3-Layer(aba) Sandwich | 
|   | 3.40.50 | Rossmann fold | 
|   | 3.40.50.1580 | Nucleoside phosphorylase domain | 
Domain Context
CATH Clusters
| Superfamily | Nucleoside phosphorylase domain | 
| Functional Family | 
Enzyme Information
| 2.4.2.1 | Purine-nucleoside phosphorylase. based on mapping to UniProt P81989 (1) Purine nucleoside + phosphate = purine + alpha-D-ribose 1-phosphate. (2) Purine deoxynucleoside + phosphate = purine + 2'-deoxy-alpha-D-ribose 1-phosphate. -!- Specificity not completely determined. -!- Can also catalyze ribosyltransferase reactions of the type catalyzed by EC 2.4.2.5. | 
UniProtKB Entries (1)
| P81989 | PUNA_CELSP Cellulomonas sp. Purine nucleoside phosphorylase | 
PDB Structure
| PDB | 1QE5 | 
| External Links | |
| Method | X-RAY DIFFRACTION | 
| Organism | |
| Primary Citation | Crystal structure of the purine nucleoside phosphorylase (PNP) from Cellulomonas sp. and its implication for the mechanism of trimeric PNPs. J.Mol.Biol. | 
