› 5chk

X-ray diffraction
2.2Å resolution

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

Released:
DOI: 10.2210/pdb5chk/pdb
PDB entry 5chk coloured by chain, front view.
PDB entry 5chk coloured by chain, side view.
PDB entry 5chk coloured by chain, top view.
Source organism: Gallus gallus
Primary publication:
Crystal structure and ligand affinity of avidin in the complex with 4-hydroxyazobenzene-2-carboxylic acid
Strzelczyk P, Bujacz G
J Mol Struct 1109 232-238 (2016)

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-136083 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Avidin Chain: A
Molecule details ›
Chain: A
Length: 128 amino acids
Theoretical weight: 14.35 KDa
Source organism: Gallus gallus
UniProt:
  • Canonical: P02701 (Residues: 25-152; Coverage: 100%)
Gene name: AVD
Sequence domains: Avidin family
Structure domains: Avidin-like

Ligands and Environments

2 bound ligands:
Ligand NAG 1 x NAG
Ligand 55R 1 x 55R
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-values:
R R work R free
0.164 0.161 0.227

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