X-ray diffraction
3.5Å resolution

Crystal structure of chromatosome at 3.5 angstrom resolution


Function and Biology Details

Structure analysis Details

Assembly composition:
hetero undecamer (preferred)
Entry contents:
5 distinct polypeptide molecules
2 distinct DNA molecules
Macromolecules (7 distinct):
Histone H2A Chains: C, G
Histone H5 Chain: U
Molecule details ›
Chain: U
Length: 77 amino acids
Theoretical weight: 8.29 KDa
Source organism: Gallus gallus
Expression system: Escherichia coli
  • Canonical: P02259 (Residues: 23-99; Coverage: 41%)
Sequence domains: linker histone H1 and H5 family
Structure domains: Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
DNA (167-mer) Chain: I
Molecule details ›
Chain: I
Length: 167 nucleotides
Theoretical weight: 51.33 KDa
DNA (167-mer) Chain: J
Molecule details ›
Chain: J
Length: 167 nucleotides
Theoretical weight: 51.78 KDa

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 23-ID-B
Spacegroup: P65
Unit cell:
a: 262.87Å b: 262.87Å c: 91.79Å
α: 90° β: 90° γ: 120°
R R work R free
0.22 0.218 0.244
Expression system: Escherichia coli