2AI2
Purine nucleoside phosphorylase from calf spleen
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | Purine nucleoside phosphorylase | polymer | 289 | 32127.5 | 1 | UniProt (P55859) Pfam (PF01048) In PDB | Bos taurus (cattle) | Inosine phosphorylase, PNP |
| 2 | A | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
| 3 | A | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) | |||
| 4 | A | TRIS-HYDROXYMETHYL-METHYL-AMMONIUM | non-polymer | 122.1 | 1 | Chemie (144) | |||
| 5 | A | ((2S,3AS,4R,6S)-4-(HYDROXYMETHYL)-6-(4-OXO-4,5-DIHYDRO-3H-PYRROLO[3,2-D]PYRIMIDIN-7-YL)-TETRAHYDROFURO[3,4-D][1,3]DIOXO L-2-YL)METHYLPHOSPHONIC ACID | non-polymer | 373.3 | 1 | Chemie (P1D) | |||
| 6 | water | water | 18.0 | 258 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 32127.5 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 585.1 | |
| All* | Total formula weight | 32712.7 |
