6QBB
Engineered streptavidin variant (ENAGY) in complex with the Strep-tag II peptide
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, C (A, B) | Streptavidin | polymer | 127 | 13346.4 | 2 | UniProt (P22629) | Streptomyces avidinii | |
| 2 | B, D (P, Q) | Strep-tag II peptide | polymer | 12 | 1574.1 | 2 | synthetic construct | ||
| 3 | E, F, G, H (A, P, B, Q) | water | water | 18.0 | 228 | Chemie (HOH) |
Sequence modifications
A, B: 14 - 139 (UniProt: P22629)
| PDB | External Database | Details |
|---|---|---|
| Met 13 | - | initiating methionine |
| Val 44 | Glu 68 | engineered mutation |
| Thr 45 | Ser 69 | engineered mutation |
| Arg 47 | Val 71 | engineered mutation |
| Glu 117 | Ala 141 | engineered mutation |
| Gly 120 | Trp 144 | engineered mutation |
| Tyr 121 | Lys 145 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 29841.1 | |
| All* | Total formula weight | 29841.1 |
