PDBe 2nqb

X-ray diffraction
2.3Å resolution

Drosophila Nucleosome Structure

Released:
Source organism: Drosophila melanogaster
Entry authors: Luger K, Chakravarthy S

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero decamer (preferred)
Entry contents:
4 distinct polypeptide molecules
1 distinct DNA molecule
Macromolecules (5 distinct):
Histone H2A Chains: C, G
alpha-satellite DNA Chains: I, J
Molecule details ›
Chains: I, J
Length: 146 nucleotides
Theoretical weight: 45.05 KDa

Ligands and Environments

No bound ligands

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 5.0.2
Spacegroup: P212121
Unit cell:
a: 106.143Å b: 109.581Å c: 182.045Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.223 0.223 0.254
Expression system: Escherichia coli