1YQU
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 (A, B, C) | Xanthosine phosphorylase | polymer | 277 | 29865.6 | 3 | UniProt (P45563) Pfam (PF01048) | Escherichia coli | PNP-II, PURINE NUCLEOSIDE PHOSPHORYLASE |
| 2 | D, F, H (A, B, C) | PHOSPHATE ION | non-polymer | 95.0 | 3 | Chemie (PO4) | |||
| 3 | E, G, I (A, B, C) | GUANINE | non-polymer | 151.1 | 3 | Chemie (GUN) |
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 |






