5TO2
Crystal structure of streptavidin with one wild type subunit and three mutated subunits (N23A/S27D/S45A)
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C | Streptavidin | polymer | 125 | 13050.1 | 3 | UniProt (P22629) Pfam (PF01382) In PDB | Streptomyces avidinii | |
| 2 | D | Streptavidin | polymer | 124 | 12994.1 | 1 | UniProt (P22629) Pfam (PF01382) In PDB | Streptomyces avidinii | |
| 3 | D | DI(HYDROXYETHYL)ETHER | non-polymer | 106.1 | 1 | Chemie (PEG) | |||
| 4 | water | water | 18.0 | 282 | Chemie (HOH) |
Sequence modifications
A, B, C: 15 - 139 (UniProt: P22629)
| PDB | External Database | Details |
|---|---|---|
| Ala 23 | Asn 47 | engineered mutation |
| Asp 27 | Ser 51 | engineered mutation |
| Ala 45 | Ser 69 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 52144.5 | |
| Non-Polymers* | Number of molecules | 1 |
| Total formula weight | 106.1 | |
| All* | Total formula weight | 52250.6 |
