1SWD
APO-CORE-STREPTAVIDIN IN COMPLEX WITH BIOTIN (TWO UNOCCUPIED BINDING SITES) AT PH 4.5
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 | STREPTAVIDIN | polymer | 127 | 13281.3 | 4 | UniProt (P22629) Pfam (PF01382) In PDB | Streptomyces avidinii | CORE STREPTAVIDIN |
2 | A, D | BIOTIN | non-polymer | 244.3 | 2 | Chemie (BTN) | |||
3 | water | water | 18.0 | 234 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 4 |
Total formula weight | 53125.3 | |
Non-Polymers* | Number of molecules | 2 |
Total formula weight | 488.6 | |
All* | Total formula weight | 53614.0 |