Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0003824 | molecular_function | catalytic activity |
| A | 0004731 | molecular_function | purine-nucleoside phosphorylase activity |
| A | 0005829 | cellular_component | cytosol |
| A | 0006139 | biological_process | nucleobase-containing compound metabolic process |
| A | 0006152 | biological_process | purine nucleoside catabolic process |
| A | 0009116 | biological_process | nucleoside metabolic process |
| A | 0009164 | biological_process | nucleoside catabolic process |
| A | 0016757 | molecular_function | glycosyltransferase activity |
| A | 0016763 | molecular_function | pentosyltransferase activity |
| A | 0042278 | biological_process | purine nucleoside metabolic process |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 17 |
| Details | BINDING SITE FOR RESIDUE 6CR A 301 |
| Chain | Residue |
| A | HIS4 |
| A | MET179 |
| A | GLU180 |
| A | SER202 |
| A | ASP203 |
| A | VAL205 |
| A | CL302 |
| A | HOH431 |
| A | HOH459 |
| A | ARG43 |
| A | ARG87 |
| A | SER90 |
| A | CYS91 |
| A | GLY92 |
| A | PHE159 |
| A | VAL177 |
| A | GLU178 |
| site_id | AC2 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE CL A 302 |
| Chain | Residue |
| A | ARG87 |
| A | GLY89 |
| A | SER90 |
| A | 6CR301 |
| A | HOH459 |
| site_id | AC3 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE ACT A 303 |
| site_id | AC4 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE GOL A 304 |
| Chain | Residue |
| A | SER2 |
| A | VAL3 |
| A | GLU75 |
| A | GLN78 |
| A | SER79 |
| A | TYR160 |
| site_id | AC5 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE GOL A 305 |
| Chain | Residue |
| A | CYS128 |
| A | ALA129 |
| A | TYR172 |
| A | ALA189 |
| A | HOH443 |
| A | HOH463 |
Functional Information from PROSITE/UniProt
| site_id | PS01232 |
| Number of Residues | 16 |
| Details | PNP_UDP_1 Purine and other phosphorylases family 1 signature. GtGMGvPSiSIyvnEL |
| Chain | Residue | Details |
| A | GLY61-LEU76 | |
Functional Information from SwissProt/UniProt
| Chain | Residue | Details |
| A | ASP203 | |
| Chain | Residue | Details |
| A | HIS4 | |
| A | ARG43 | |
| Chain | Residue | Details |
| A | GLY20 | |
| A | ARG24 | |
| A | ARG87 | |
| A | GLU178 | |
| A | SER202 | |
| Chain | Residue | Details |
| A | ARG216 | |
