2IVH
Crystal structure of the nuclease domain of ColE7 (H545Q mutant) in complex with an 18-bp duplex DNA
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | COLCIN-E7 | polymer | 128 | 14651.6 | 1 | UniProt (Q47112) Pfam (PF21431) | ESCHERICHIA COLI | |
| 2 | B, C (B, C) | 5'-D(*GP*GP*AP*AP*TP*TP*CP*GP*AP*TP *CP*GP*AP*AP*TP*TP*CP*C)-3' | polymer | 18 | 5515.6 | 2 | ESCHERICHIA COLI | ||
| 3 | D (A) | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) | |||
| 4 | E, F, G (A, B, C) | water | water | 18.0 | 87 | Chemie (HOH) |
Sequence modifications
A: 449 - 576 (UniProt: Q47112)
| PDB | External Database | Details |
|---|---|---|
| Gln 545 | His 545 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 25682.8 | |
| Non-Polymers* | Number of molecules | 1 |
| Total formula weight | 65.4 | |
| All* | Total formula weight | 25748.2 |
