7EK9
Crystal structure of apo streptavidin at cryogenic temperature
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, D (A, B, C, D) | Streptavidin | polymer | 123 | 12981.0 | 4 | UniProt (P22629) Pfam (PF01382) | Streptomyces avidinii | |
| 2 | E, F, G (A, C, D) | (4R)-2-METHYLPENTANE-2,4-DIOL | non-polymer | 118.2 | 3 | Chemie (MRD) | |||
| 3 | H (D) | (4S)-2-METHYL-2,4-PENTANEDIOL | non-polymer | 118.2 | 1 | Chemie (MPD) | |||
| 4 | I, J, K, L (A, B, C, D) | water | water | 18.0 | 617 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 51924.1 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 472.7 | |
| All* | Total formula weight | 52396.8 |
