PDBe 5chk

X-ray diffraction
2.2Å resolution

Crystal structure of avidin - HABA complex (hexagonal crystal form)


Function and Biology Details

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Entry contents:
1 distinct polypeptide molecule
Avidin Chain: A
Molecule details ›
Chain: A
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

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: BESSY BEAMLINE 14.1
Spacegroup: P6422
Unit cell:
a: 61.31Å b: 61.31Å c: 120.53Å
α: 90° β: 90° γ: 120°
R R work R free
0.164 0.161 0.227