3D4W
Crystal structure of Staphylococcal nuclease variant Delta+PHS A109R 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 | 143 | 16229.6 | 1 | UniProt (Q8NXI6) Pfam (PF00565) | Staphylococcus aureus (strain MW2) | TNase, Micrococcal nuclease, Staphylococcal nuclease |
| 2 | B (A) | PHOSPHATE ION | non-polymer | 95.0 | 1 | Chemie (PO4) | |||
| 3 | C (A) | (4S)-2-METHYL-2,4-PENTANEDIOL | non-polymer | 118.2 | 1 | Chemie (MPD) | |||
| 4 | D (A) | water | water | 18.0 | 97 | Chemie (HOH) |
Sequence modifications
A: 1 - 149 (UniProt: Q8NXI6)
| PDB | External Database | Details |
|---|---|---|
| - | Thr 123 | deletion |
| - | Lys 124 | deletion |
| - | His 125 | deletion |
| - | Pro 126 | deletion |
| - | Lys 127 | deletion |
| - | Lys 128 | deletion |
| Phe 50 | Gly 129 | engineered mutation |
| Asn 51 | Val 130 | engineered mutation |
| Arg 109 | Ala 188 | engineered mutation |
| Gly 117 | Pro 196 | engineered mutation |
| Ala 128 | Ser 207 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 16229.6 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 213.1 | |
| All* | Total formula weight | 16442.7 |
