2RTB
APOSTREPTAVIDIN, PH 3.32, SPACE GROUP I222
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | B, D | STREPTAVIDIN | polymer | 135 | 14181.3 | 2 | UniProt (P22629) Pfam (PF01382) In PDB | Streptomyces avidinii | |
| 2 | B | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 3 | B | ACETATE ION | non-polymer | 59.0 | 1 | Chemie (ACT) | |||
| 4 | B, D | CHLORIDE ION | non-polymer | 35.5 | 3 | Chemie (CL) | |||
| 5 | water | water | 18.0 | 123 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 28362.6 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 188.4 | |
| All* | Total formula weight | 28551.0 |
