7RCE
Third stage reengineered variant of I-OnuI with specificity enhancing substitutions
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords | 
| 1 | A (A)  | I-OnuI_e-hPD1-d | polymer | 300 | 34983.3 | 1 | Synthetic construct | ||
| 2 | B (B)  | DNA (26-MER) | polymer | 26 | 8064.2 | 1 | Synthetic construct | ||
| 3 | C (C)  | DNA (26-MER) | polymer | 26 | 7917.1 | 1 | Synthetic construct | ||
| 4 | D, E, F (A)  | CALCIUM ION | non-polymer | 40.1 | 3 | Chemie (CA) | |||
| 5 | G (A)  | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 6 | H, I, J (A, B, C)  | water | water | 18.0 | 8 | Chemie (HOH) | 
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 | 
| Total formula weight | 50964.6 | |
| Non-Polymers* | Number of molecules | 4 | 
| Total formula weight | 143.2 | |
| All* | Total formula weight | 51107.8 | 






