4PIH
X-ray crystal structure of the K33S mutant of ubiquitin
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B | Ubiquitin | polymer | 76 | 8534.7 | 2 | UniProt (P62987) Pfam (PF00240) In PDB | Homo sapiens (Human) | |
| 2 | A, B | CALCIUM ION | non-polymer | 40.1 | 3 | Chemie (CA) | |||
| 3 | A, B | CHLORIDE ION | non-polymer | 35.5 | 2 | Chemie (CL) | |||
| 4 | water | water | 18.0 | 134 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 76 (UniProt: P62987)
| PDB | External Database | Details |
|---|---|---|
| Ser 33 | Lys 33 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 17069.5 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 191.1 | |
| All* | Total formula weight | 17260.6 |
