3RY1
Wild-type core streptavidin at atomic resolution
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 | 127 | 13281.3 | 4 | UniProt (P22629) Pfam (PF01382) | Streptomyces avidinii | |
| 2 | E, H, N (A, B, D) | (4S)-2-METHYL-2,4-PENTANEDIOL | non-polymer | 118.2 | 3 | Chemie (MPD) | |||
| 3 | F, G, I, J, K... (A, B, C, D) | (4R)-2-METHYLPENTANE-2,4-DIOL | non-polymer | 118.2 | 7 | Chemie (MRD) | |||
| 4 | O, P, Q, R (A, B, C, D) | water | water | 18.0 | 576 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 53125.3 | |
| Non-Polymers* | Number of molecules | 10 |
| Total formula weight | 1181.7 | |
| All* | Total formula weight | 54307.1 |






