Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (J, L) | Streptavidin | polymer | 127 | 13281.3 | 2 | UniProt (P22629) Pfam (PF01382) | Streptomyces avidinii | |
| 2 | C, E (J, L) | 5-[(3aR,4R,6aS)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl]pentanoic acid | non-polymer | 244.3 | 2 | Chemie (A1CK6) | |||
| 3 | D (L) | GLYCEROL | non-polymer | 92.1 | 1 | Chemie (GOL) | |||
| 4 | F, G (J, L) | water | water | 18.0 | 299 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 26562.7 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 580.7 | |
| All* | Total formula weight | 27143.4 |
