2qcb

X-ray diffraction
1.65Å resolution

T7-tagged full-length streptavidin complexed with ruthenium ligand

Released:

Function and Biology Details

Biochemical function:
Biological process:
  • not assigned
Cellular component:

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Streptavidin Chain: A
Molecule details ›
Chain: A
Length: 159 amino acids
Theoretical weight: 16.61 KDa
Source organism: Streptomyces avidinii
Expression system: Escherichia coli
UniProt:
  • Canonical: P22629 (Residues: 38-183; Coverage: 92%)
Sequence domains: Avidin family
Structure domains: Avidin-like

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU MICROMAX-007
Spacegroup: I4122
Unit cell:
a: 57.651Å b: 57.651Å c: 183.823Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.169 0.168 0.187
Expression system: Escherichia coli