1YQQ
Escherichia coli purine nucleoside phosphorylase II, the product of the xapA gene
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C | Xanthosine phosphorylase | polymer | 277 | 29865.6 | 3 | UniProt (P45563) Pfam (PF01048) In PDB | Escherichia coli | PNP-II, purine nucleoside phosphorylase |
| 2 | A, B, C | PHOSPHATE ION | non-polymer | 95.0 | 3 | Chemie (PO4) | |||
| 3 | A, B, C | GUANINE | non-polymer | 151.1 | 3 | Chemie (GUN) | |||
| 4 | water | water | 18.0 | 191 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 89596.8 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 738.3 | |
| All* | Total formula weight | 90335.1 |
