2Y3E
Traptavidin, apo-form
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | STREPTAVIDIN | polymer | 134 | 14169.3 | 2 | UniProt (P22629) Pfam (PF01382) | STREPTOMYCES AVIDINII | TRAPTAVIDIN |
| 2 | C, D, E (A, B) | GLYCEROL | non-polymer | 92.1 | 3 | Chemie (GOL) | |||
| 3 | F, G (A, B) | water | water | 18.0 | 318 | Chemie (HOH) |
Sequence modifications
A, B: 13 - 139 (UniProt: P22629)
| PDB | External Database | Details |
|---|---|---|
| Met 12 | - | expression tag |
| Gly 52 | Ser 76 | engineered mutation |
| Asp 53 | Arg 77 | engineered mutation |
| His 140 | - | expression tag |
| His 141 | - | expression tag |
| His 142 | - | expression tag |
| His 143 | - | expression tag |
| His 144 | - | expression tag |
| His 145 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 28338.6 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 276.3 | |
| All* | Total formula weight | 28614.8 |
