5FB9
S1 nuclease from Aspergillus oryzae with unoccupied active site
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B | Nuclease S1 | polymer | 267 | 29083.7 | 2 | UniProt (P24021) Pfam (PF02265) In PDB | Aspergillus oryzae RIB40 (Yellow koji mold) | Deoxyribonuclease S1,Endonuclease S1,Single-stranded-nucleate endonuclease |
| 2 | A, B | ZINC ION | non-polymer | 65.4 | 6 | Chemie (ZN) | |||
| 3 | A, B | 2-acetamido-2-deoxy-beta-D-glucopyranose | non-polymer | 221.2 | 4 | Chemie (NAG) | |||
| 4 | A, B | 2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL | non-polymer | 209.2 | 2 | Chemie (BTB) | |||
| 5 | A, B | SODIUM ION | non-polymer | 23.0 | 2 | Chemie (NA) | |||
| 6 | water | water | 18.0 | 871 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 58167.3 | |
| Non-Polymers* | Number of molecules | 14 |
| Total formula weight | 1741.7 | |
| All* | Total formula weight | 59909.1 |
