2IZB
APOSTREPTAVIDIN PH 3.12 I4122 STRUCTURE
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | STREPTAVIDIN | polymer | 122 | 12867.9 | 1 | UniProt (P22629) Pfam (PF01382) | Streptomyces avidinii | |
| 2 | B (A) | SULFATE ION | non-polymer | 96.1 | 1 | Chemie (SO4) | |||
| 3 | C (A) | FORMIC ACID | non-polymer | 46.0 | 1 | Chemie (FMT) | |||
| 4 | D (A) | water | water | 18.0 | 91 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 12867.9 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 142.1 | |
| All* | Total formula weight | 13010.0 |
