6QW4
Engineered streptavidin variant (ACGR) 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 (A) | Streptavidin | polymer | 127 | 13359.6 | 1 | UniProt (P22629) Pfam (PF01382) | Streptomyces avidinii | |
| 2 | B (P) | Strep-tag II peptide | polymer | 12 | 1335.4 | 1 | synthetic construct | ||
| 3 | C, D (A, P) | water | water | 18.0 | 57 | Chemie (HOH) |
Sequence modifications
A: 14 - 139 (UniProt: P22629)
| PDB | External Database | Details |
|---|---|---|
| Met 13 | - | initiating methionine |
| Ala 44 | Glu 68 | variant |
| Cys 45 | Ser 69 | variant |
| Gly 46 | Ala 70 | variant |
| Arg 47 | Val 71 | variant |
| Cys 52 | Ser 76 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 14695.0 | |
| All* | Total formula weight | 14695.0 |
