3MEH
Crystal structure of Staphylococcal nuclease variant Delta+PHS I92A 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 | Thermonuclease | polymer | 143 | 16101.4 | 1 | UniProt (P00644) Pfam (PF00565) In PDB | Staphylococcus aureus | Micrococcal nuclease, Staphylococcal nuclease |
2 | A | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
3 | A | THYMIDINE-3',5'-DIPHOSPHATE | non-polymer | 402.2 | 1 | Chemie (THP) | |||
4 | water | water | 18.0 | 117 | Chemie (HOH) |
Sequence modifications
A: 1 - 149 (UniProt: P00644)
PDB | External Database | Details |
---|---|---|
- | Thr 126 | deletion |
- | Lys 127 | deletion |
- | His 128 | deletion |
- | Pro 129 | deletion |
- | Lys 130 | deletion |
- | Lys 131 | deletion |
Phe 50 | Gly 132 | engineered mutation |
Asn 51 | Val 133 | engineered mutation |
Ala 92 | Ile 174 | 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 | 16101.4 | |
Non-Polymers* | Number of molecules | 2 |
Total formula weight | 442.3 | |
All* | Total formula weight | 16543.6 |