2NQH
High Resolution crystal structure of Escherichia coli endonuclease IV (Endo IV) E261Q mutant
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Endonuclease 4 | polymer | 285 | 31517.5 | 1 | UniProt (P0A6C1) Pfam (PF01261) | Escherichia coli | Endonuclease IV, Endodeoxyribonuclease IV |
| 2 | B, C, D (A) | ZINC ION | non-polymer | 65.4 | 3 | Chemie (ZN) | |||
| 3 | E (A) | PHOSPHATE ION | non-polymer | 95.0 | 1 | Chemie (PO4) | |||
| 4 | F (A) | water | water | 18.0 | 326 | Chemie (HOH) |
Sequence modifications
A: 1 - 285 (UniProt: P0A6C1)
| PDB | External Database | Details |
|---|---|---|
| Gln 261 | Glu 261 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 31517.5 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 291.2 | |
| All* | Total formula weight | 31808.7 |
