1ENC
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 | STAPHYLOCOCCAL NUCLEASE | polymer | 149 | 16857.4 | 1 | UniProt (P00644) Pfam (PF00565) In PDB | Staphylococcus aureus | |
| 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 | 41 | Chemie (HOH) |
Sequence modifications
A: 1 - 149 (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 | 16857.4 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 442.3 | |
| All* | Total formula weight | 17299.6 |
