2GYK
Crystal structure of the complex of the Colicin E9 DNase domain with a mutant immunity protein, IMME9 (D51A)
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, E | Colicin-E9 immunity protein | polymer | 86 | 9548.5 | 2 | UniProt (P13479) Pfam (PF01320) In PDB | Escherichia coli K12 | ImmE9, Microcin-E9 immunity protein |
| 2 | B, F | Colicin-E9 | polymer | 134 | 15120.0 | 2 | UniProt (P09883) Pfam (PF21431) In PDB | Escherichia coli K12 | |
| 3 | B, F | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
| 4 | B, F | PHOSPHATE ION | non-polymer | 95.0 | 2 | Chemie (PO4) | |||
| 5 | water | water | 18.0 | 686 | Chemie (HOH) |
Sequence modifications
A, E: 1 - 86 (UniProt: P13479)
B, F: 1 - 134 (UniProt: P09883)
| PDB | External Database | Details |
|---|---|---|
| Ala 51 | Asp 51 | engineered mutation |
| PDB | External Database | Details |
|---|---|---|
| Met 1 | - | initiating methionine |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 49337.0 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 320.8 | |
| All* | Total formula weight | 49657.8 |
