1MK5
Wildtype Core-Streptavidin with Biotin at 1.4A.
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | Streptavidin | polymer | 127 | 13281.3 | 2 | UniProt (P22629) Pfam (PF01382) | Streptomyces avidinii | |
| 2 | C, D (A, B) | BIOTIN | non-polymer | 244.3 | 2 | Chemie (BTN) | |||
| 3 | E, F (A, B) | water | water | 18.0 | 239 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 26562.7 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 488.6 | |
| All* | Total formula weight | 27051.3 |
