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CRYSTAL STRUCTURES OF THE BINARY CA2+ AND PDTP COMPLEXES AND THE TERNARY COMPLEX OF THE ASP 21->GLU MUTANT OF STAPHYLOCOCCAL NUCLEASE. IMPLICATIONS FOR CATALYSIS AND LIGAND BINDING
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | STAPHYLOCOCCAL NUCLEASE | polymer | 135 | 15421.9 | 1 | UniProt (P00644) Pfam (PF00565) | Staphylococcus aureus | |
| 2 | B (A) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 3 | C (A) | water | water | 18.0 | 34 | Chemie (HOH) |
Sequence modifications
A: 7 - 141 (UniProt: P00644)
| PDB | External Database | Details |
|---|---|---|
| Glu 21 | Asp 103 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 15421.9 | |
| Non-Polymers* | Number of molecules | 1 |
| Total formula weight | 40.1 | |
| All* | Total formula weight | 15462.0 |
