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, B | Streptavidin | polymer | 127 | 13346.4 | 2 | UniProt (P22629) Pfam (PF01382) In PDB | Streptomyces avidinii | |
2 | P, Q | Strep-tag II peptide | polymer | 12 | 1574.1 | 2 | synthetic construct | ||
3 | 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 |