4YOV
Crystal structure of a trimeric exonuclease PhoExo I from Pyrococcus horikoshii OT3 in complex with poly-dA
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, C, E (A, C, E) | 3-5 exonuclease PhoExo I | polymer | 233 | 26219.3 | 3 | UniProt (A0A060P168) Pfam (PF13680) | Pyrococcus horikoshii | |
| 2 | B, D, F (B, D, F) | 5'-D(*AP*AP*AP*AP*AP*AP*A)-3' | polymer | 7 | 2147.5 | 3 | synthetic construct | ||
| 3 | G, H, I, J, K (A, B, C, D, E) | water | water | 18.0 | 129 | Chemie (HOH) |
Sequence modifications
A, C, E: 1 - 229 (UniProt: A0A060P168)
| PDB | External Database | Details |
|---|---|---|
| Asn 80 | Asp 80 | engineered mutation |
| His 230 | - | expression tag |
| His 231 | - | expression tag |
| His 232 | - | expression tag |
| His 233 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 6 |
| Total formula weight | 85100.3 | |
| All* | Total formula weight | 85100.3 |
