1Y55
Crystal structure of the C122S mutant of E. Coli expressed avidin related protein 4 (AVR4)-biotin complex
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (X, Y) | Avidin-related protein 4/5 | polymer | 126 | 14158.9 | 2 | UniProt (P56734) Pfam (PF01382) | Gallus gallus (chicken) | |
| 2 | C, F (X, Y) | BIOTIN | non-polymer | 244.3 | 2 | Chemie (BTN) | |||
| 3 | D, E, G, H (X, Y) | FORMIC ACID | non-polymer | 46.0 | 4 | Chemie (FMT) | |||
| 4 | I, J (X, Y) | water | water | 18.0 | 240 | Chemie (HOH) |
Sequence modifications
X, Y: 1 - 126 (UniProt: P56734)
| PDB | External Database | Details |
|---|---|---|
| Ser 122 | Cys 146 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 28317.9 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 672.7 | |
| All* | Total formula weight | 28990.6 |






