2QPL
Crystal structure of calf spleen purine nucleoside phosphorylase complexed to a novel purine analogue
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Purine nucleoside phosphorylase | polymer | 282 | 31427.8 | 1 | UniProt (P55859) Pfam (PF01048) | Bos taurus (cattle) | Inosine phosphorylase, PNP |
| 2 | B (A) | SULFATE ION | non-polymer | 96.1 | 1 | Chemie (SO4) | |||
| 3 | C (A) | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
| 4 | D (A) | 4-amino-7-methylpyrazolo[1,5-a][1,3,5]triazin-2(1H)-one | non-polymer | 165.2 | 1 | Chemie (BTY) | |||
| 5 | E (A) | water | water | 18.0 | 159 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 31427.8 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 285.5 | |
| All* | Total formula weight | 31713.3 |
