3WYP
Crystal structure of wild-type core streptavidin in complex with D-biotin/biotin-D-sulfoxide at 1.3 A 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, D, C) | Streptavidin | polymer | 127 | 13281.3 | 4 | UniProt (P22629) Pfam (PF01382) | Streptomyces avidinii | |
2 | E, M (A, D) | BIOTIN | non-polymer | 244.3 | 2 | Chemie (BTN) | |||
3 | F, G, H, J, K... (A, B, D, C) | GLYCEROL | non-polymer | 92.1 | 10 | Chemie (GOL) | |||
4 | I, Q (B, C) | BIOTIN-D-SULFOXIDE | non-polymer | 260.3 | 2 | Chemie (BSO) | |||
5 | L, T (B, C) | SULFATE ION | non-polymer | 96.1 | 2 | Chemie (SO4) | |||
6 | U, V, W, X (A, B, D, C) | water | water | 18.0 | 480 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 4 |
Total formula weight | 53125.3 | |
Non-Polymers* | Number of molecules | 16 |
Total formula weight | 2122.3 | |
All* | Total formula weight | 55247.7 |