4IRW
Co-crystallization of streptavidin-biotin complex with a lanthanide-ligand complex gives rise to a novel crystal form
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 | 129 | 13409.5 | 1 | UniProt (P22629) Pfam (PF01382) | Streptomyces avidinii | |
| 2 | B, C, D, E, F... (A) | PYRIDINE-2,6-DICARBOXYLIC ACID | non-polymer | 167.1 | 12 | Chemie (PDC) | |||
| 3 | N (A) | BIOTIN | non-polymer | 244.3 | 1 | Chemie (BTN) | |||
| 4 | O, P, Q, R, S (A) | TERBIUM(III) ION | non-polymer | 158.9 | 5 | Chemie (TB) | |||
| 5 | T (A) | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 6 | U (A) | water | water | 18.0 | 115 | Chemie (HOH) |
Sequence modifications
A: 2 - 129 (UniProt: P22629)
| PDB | External Database | Details |
|---|---|---|
| Gly 1 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 13409.5 | |
| Non-Polymers* | Number of molecules | 19 |
| Total formula weight | 3067.4 | |
| All* | Total formula weight | 16476.8 |
