1I4G
Crystal structure of Staphylococcal enterotoxin A mutant H187A with reduced Zn2+ affinity
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B | ENTEROTOXIN TYPE A | polymer | 233 | 27063.2 | 2 | UniProt (P0A0L2) Pfam (PF01123) Pfam (PF02876) In PDB | Staphylococcus aureus | SEA |
| 2 | A | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) | |||
| 3 | B | SULFATE ION | non-polymer | 96.1 | 1 | Chemie (SO4) | |||
| 4 | water | water | 18.0 | 225 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 233 (UniProt: P0A0L2)
| PDB | External Database | Details |
|---|---|---|
| Ala 187 | His 211 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 54126.5 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 161.5 | |
| All* | Total formula weight | 54287.9 |
