2GZF
Crystal structure of the E9 DNase domain with a mutant immunity protein IM9 (Y54F)
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Colicin-E9 immunity protein | polymer | 86 | 9576.5 | 1 | UniProt (P13479) Pfam (PF01320) | Escherichia coli K12 | ImmE9, Microcin-E9 immunity protein |
| 2 | B (B) | Colicin-E9 | polymer | 134 | 15120.0 | 1 | UniProt (P09883) Pfam (PF21431) | Escherichia coli K12 | |
| 3 | C (B) | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) | |||
| 4 | D (B) | PHOSPHATE ION | non-polymer | 95.0 | 1 | Chemie (PO4) | |||
| 5 | E, F (A, B) | water | water | 18.0 | 330 | Chemie (HOH) |
Sequence modifications
A: 1 - 86 (UniProt: P13479)
B: 2 - 134 (UniProt: P09883)
| PDB | External Database | Details |
|---|---|---|
| Phe 54 | Tyr 54 | engineered mutation |
| PDB | External Database | Details |
|---|---|---|
| Met 1 | - | initiating methionine |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 24696.5 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 160.4 | |
| All* | Total formula weight | 24856.9 |
