9MFZ
Streptavidin-E101Q-K121A-L124E bound to Fe(III)-biotin-pentyl-dipicolylamine cofactor
This is a non-PDB format compatible entry.
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C, D (A, B, C, D) | Streptavidin | polymer | 125 | 13214.2 | 4 | UniProt (P22629) | Streptomyces avidinii | |
| 2 | E, G, K, N (A, B, C, D) | N-(5-{bis[(pyridin-2-yl)methyl]amino}pentyl)-5-[(3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl]pentanamide | non-polymer | 510.7 | 4 | Chemie (A1BLH) | |||
| 3 | F, H, I, J, L... (A, B, C, D) | FE (III) ION | non-polymer | 55.8 | 8 | Chemie (FE) | |||
| 4 | M, R (C, D) | SULFATE ION | non-polymer | 96.1 | 2 | Chemie (SO4) | |||
| 5 | S, T, U, V (A, B, C, D) | water | water | 18.0 | 443 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 14 - 134 (UniProt: P22629)
| PDB | External Database | Details |
|---|---|---|
| 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 |
| Glu 124 | Leu 148 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 52856.9 | |
| Non-Polymers* | Number of molecules | 14 |
| Total formula weight | 2681.7 | |
| All* | Total formula weight | 55538.6 |
