2RKS
Crystal structure of Staphylococcal nuclease variant PHS L38K at cryogenic temperature
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Thermonuclease | polymer | 149 | 16778.3 | 1 | UniProt (P00644) Pfam (PF00565) | Staphylococcus aureus | TNase, Micrococcal nuclease, Staphylococcal nuclease |
| 2 | B, C (A) | PHOSPHATE ION | non-polymer | 95.0 | 2 | Chemie (PO4) | |||
| 3 | D (A) | water | water | 18.0 | 86 | Chemie (HOH) |
Sequence modifications
A: 1 - 149 (UniProt: P00644)
| PDB | External Database | Details |
|---|---|---|
| Lys 38 | Leu 120 | engineered mutation |
| Gly 117 | Pro 199 | engineered mutation |
| Leu 124 | His 206 | engineered mutation |
| Ala 128 | Ser 210 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 16778.3 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 189.9 | |
| All* | Total formula weight | 16968.2 |
