2IZD
APOSTREPTAVIDIN pH 3.0 I222 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 (B, D) | STREPTAVIDIN | polymer | 123 | 12965.0 | 2 | UniProt (P22629) Pfam (PF01382) | Streptomyces avidinii | |
| 2 | C (B) | SULFATE ION | non-polymer | 96.1 | 1 | Chemie (SO4) | |||
| 3 | D, G (B, D) | CHLORIDE ION | non-polymer | 35.5 | 2 | Chemie (CL) | |||
| 4 | E (D) | IODIDE ION | non-polymer | 126.9 | 1 | Chemie (IOD) | |||
| 5 | F (D) | AMMONIUM ION | non-polymer | 18.0 | 1 | Chemie (NH4) | |||
| 6 | H, I (B, D) | water | water | 18.0 | 142 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 25930.0 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 311.9 | |
| All* | Total formula weight | 26242.0 |
