4BCS
Crystal structure of an avidin mutant
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) | CHIMERIC AVIDIN | polymer | 125 | 13922.7 | 2 | Pfam (PF01382) UniProt (by SIFTS) (P56734) | GALLUS GALLUS (CHICKEN) | |
| 2 | C (A) | ACETATE ION | non-polymer | 59.0 | 1 | Chemie (ACT) | |||
| 3 | D (A) | DI(HYDROXYETHYL)ETHER | non-polymer | 106.1 | 1 | Chemie (PEG) | |||
| 4 | E, H (A, B) | BIOTIN | non-polymer | 244.3 | 2 | Chemie (BTN) | |||
| 5 | F, G (A, B) | PHOSPHATE ION | non-polymer | 95.0 | 2 | Chemie (PO4) | |||
| 6 | I, J (A, B) | water | water | 18.0 | 112 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 27845.4 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 843.7 | |
| All* | Total formula weight | 28689.2 |
