X-ray diffraction
1.89Å resolution

Crystal structure of avidin in complex with ferrocene homobiotin derivative

Source organism: Gallus gallus
Entry authors: Strzelczyk P, Bujacz G

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Entry contents:
1 distinct polypeptide molecule
Avidin Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 128 amino acids
Theoretical weight: 14.35 KDa
Source organism: Gallus gallus
  • Canonical: P02701 (Residues: 25-152; Coverage: 100%)
Gene name: AVD
Sequence domains: Avidin family
Structure domains: Avidin-like

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: BESSY BEAMLINE 14.2
Spacegroup: P21
Unit cell:
a: 43.933Å b: 82.081Å c: 74.601Å
α: 90° β: 106.29° γ: 90°
R R work R free
0.187 0.186 0.232