9CST
Streptavidin-E101Q-K121A bound to Cu(II)-biotin-ethyl-dipicolylamine cofactor
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 | 159 | 16510.9 | 1 | UniProt (P22629) Pfam (PF01382) | Streptomyces avidinii | |
| 2 | B (A) | N-(2-{bis[(pyridin-2-yl)methyl]amino}ethyl)-5-[(3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl]pentanamide | non-polymer | 468.6 | 1 | Chemie (QG7) | |||
| 3 | C, D, E, F (A) | COPPER (II) ION | non-polymer | 63.5 | 4 | Chemie (CU) | |||
| 4 | G (A) | water | water | 18.0 | 129 | Chemie (HOH) |
Sequence modifications
A: 14 - 159 (UniProt: P22629)
| PDB | External Database | Details |
|---|---|---|
| Met 1 | - | expression tag |
| Ala 2 | - | expression tag |
| Ser 3 | - | expression tag |
| Met 4 | - | expression tag |
| Thr 5 | - | expression tag |
| Gly 6 | - | expression tag |
| Gly 7 | - | expression tag |
| Gln 8 | - | expression tag |
| Gln 9 | - | expression tag |
| Met 10 | - | expression tag |
| Gly 11 | - | expression tag |
| Arg 12 | - | expression tag |
| Asp 13 | - | expression tag |
| Gln 101 | Glu 125 | engineered mutation |
| Ala 121 | Lys 145 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 16510.9 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 722.8 | |
| All* | Total formula weight | 17233.7 |
