2NQJ
Crystal structure of Escherichia coli endonuclease IV (Endo IV) E261Q mutant bound to damaged DNA
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (C) | 5'-D(*GP*CP*GP*TP*CP*CP*(3DR)P*CP*GP*AP*CP*GP*AP*CP*G)-3' | polymer | 15 | 4446.9 | 1 | |||
| 2 | B (D) | 5'-D(*CP*GP*TP*CP*GP*TP*CP*GP*GP*GP*GP*AP*CP*GP*C)-3' | polymer | 15 | 4627.0 | 1 | |||
| 3 | C, D (A, B) | Endonuclease 4 | polymer | 285 | 31517.5 | 2 | UniProt (P0A6C1) Pfam (PF01261) | Escherichia coli | Endonuclease IV, Endodeoxyribonuclease IV |
| 4 | E, F, G, H (A, B) | ZINC ION | non-polymer | 65.4 | 4 | Chemie (ZN) | |||
| 5 | I, J, K, L (C, D, A, B) | water | water | 18.0 | 325 | Chemie (HOH) |
Sequence modifications
A, B: 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 | 4 |
| Total formula weight | 72108.9 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 261.6 | |
| All* | Total formula weight | 72370.5 |
