2NQ9
High resolution crystal structure of Escherichia coli endonuclease IV (Endo IV) Y72A 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 (B) | 5'-D(*AP*TP*AP*TP*CP*T)-3' | polymer | 6 | 1783.2 | 1 | |||
| 2 | B (C) | 5'-D(P*(3DR)P*AP*GP*AP*T)-3' | polymer | 5 | 1395.0 | 1 | |||
| 3 | C (D) | 5'-D(*AP*TP*CP*TP*GP*AP*AP*GP*TP*AP*T)-3' | polymer | 11 | 3372.2 | 1 | |||
| 4 | D (A) | Endonuclease 4 | polymer | 285 | 31426.4 | 1 | UniProt (P0A6C1) Pfam (PF01261) | Escherichia coli | Endonuclease IV, Endodeoxyribonuclease IV |
| 5 | E, F, G (A) | ZINC ION | non-polymer | 65.4 | 3 | Chemie (ZN) | |||
| 6 | H, I, J, K (B, C, D, A) | water | water | 18.0 | 346 | Chemie (HOH) |
Sequence modifications
A: 1 - 285 (UniProt: P0A6C1)
| PDB | External Database | Details |
|---|---|---|
| Ala 72 | Tyr 72 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 37976.8 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 196.2 | |
| All* | Total formula weight | 38173.0 |
