1BXI
CRYSTAL STRUCTURE OF THE ESCHERICHIA COLI COLICIN E9 DNASE DOMAIN WITH ITS COGNATE IMMUNITY PROTEIN IM9
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | PROTEIN (COLICIN E9 IMMUNITY PROTEIN) | polymer | 86 | 9524.4 | 1 | UniProt (P13479) Pfam (PF01320) In PDB | Escherichia coli | |
| 2 | B | PROTEIN (COLICIN E9) | polymer | 134 | 15213.8 | 1 | UniProt (P09883) Pfam (PF21431) In PDB | Escherichia coli | |
| 3 | B | NICKEL (II) ION | non-polymer | 58.7 | 1 | Chemie (NI) | |||
| 4 | B | PHOSPHATE ION | non-polymer | 95.0 | 1 | Chemie (PO4) | |||
| 5 | water | water | 18.0 | 103 | Chemie (HOH) |
Sequence modifications
A: 1 - 86 (UniProt: P13479)
B: 1 - 134 (UniProt: P09883)
| PDB | External Database | Details |
|---|---|---|
| Ala 5 | His 5 | engineered mutation |
| Gln 72 | Lys 72 | conflict |
| PDB | External Database | Details |
|---|---|---|
| Mse 1 | Lys 449 | engineered mutation |
| Mse 116 | Met 564 | modified residue |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 24738.2 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 153.7 | |
| All* | Total formula weight | 24891.9 |
