2QDB
Crystal structure of staphylococcal nuclease variant E75Q/D21N/T33V/T41I/S59A/P117G/S128A at 100 K
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 | 16779.4 | 1 | UniProt (P00644) Pfam (PF00565) | Staphylococcus aureus | TNase, Micrococcal nuclease, Staphylococcal nuclease |
| 2 | B (A) | PHOSPHATE ION | non-polymer | 95.0 | 1 | Chemie (PO4) | |||
| 3 | C (A) | water | water | 18.0 | 36 | Chemie (HOH) |
Sequence modifications
A: 1 - 149 (UniProt: P00644)
| PDB | External Database | Details |
|---|---|---|
| Asn 21 | Asp 103 | engineered mutation |
| Val 33 | Thr 115 | engineered mutation |
| Ile 41 | Thr 123 | engineered mutation |
| Ala 59 | Ser 141 | engineered mutation |
| Gln 75 | Glu 157 | engineered mutation |
| Gly 117 | Pro 199 | engineered mutation |
| Ala 128 | Ser 210 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 16779.4 | |
| Non-Polymers* | Number of molecules | 1 |
| Total formula weight | 95.0 | |
| All* | Total formula weight | 16874.3 |
