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 | Endonuclease 4 | polymer | 285 | 31517.5 | 1 | UniProt (P0A6C1) Pfam (PF01261) In PDB | Escherichia coli | Endonuclease IV, Endodeoxyribonuclease IV |
2 | A | ZINC ION | non-polymer | 65.4 | 3 | Chemie (ZN) | |||
3 | A | PHOSPHATE ION | non-polymer | 95.0 | 1 | Chemie (PO4) | |||
4 | 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 |