1FR2
CRYSTAL STRUCTURE OF THE E9 DNASE DOMAIN WITH A MUTANT IMMUNITY PROTEIN IM9(E41A)
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 | 9534.5 | 1 | UniProt (P13479) Pfam (PF01320) | Escherichia coli | IMME9, MICROCIN E9 IMMUNITY PROTEIN |
| 2 | B (B) | COLICIN E9 | polymer | 134 | 15120.0 | 1 | UniProt (P09883) Pfam (PF21431) | Escherichia coli | |
| 3 | C (B) | PHOSPHATE ION | non-polymer | 95.0 | 1 | Chemie (PO4) | |||
| 4 | D (B) | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) | |||
| 5 | E, F (A, B) | water | water | 18.0 | 171 | Chemie (HOH) |
Sequence modifications
A: 1 - 86 (UniProt: P13479)
B: 2 - 134 (UniProt: P09883)
| PDB | External Database | Details |
|---|---|---|
| Ala 41 | Glu 41 | engineered mutation |
| PDB | External Database | Details |
|---|---|---|
| Met 1 | - | cloning artifact |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 24654.5 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 160.4 | |
| All* | Total formula weight | 24814.9 |
