PDBe 2pyo

X-ray diffraction
2.43Å resolution

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero decamer (preferred)
Entry contents:
4 distinct polypeptide molecules
2 distinct DNA molecules
Macromolecules (6 distinct):
Histone H2A Chains: C, G
Molecule details ›
Chains: C, G
Length: 120 amino acids
Theoretical weight: 12.93 KDa
Source organism: Drosophila melanogaster
Expression system: Escherichia coli
  • Canonical: P84051 (Residues: 2-121; Coverage: 97%)
Gene names: CG31618, CG33808, CG33814, CG33817, CG33820, CG33823, CG33826, CG33829, CG33832, CG33835, CG33838, CG33841, CG33844, CG33847, CG33850, CG33862, CG33865, H2a, His2A, His2A:CG31618, His2A:CG33808, His2A:CG33814, His2A:CG33817, His2A:CG33820, His2A:CG33823, His2A:CG33826, His2A:CG33829, His2A:CG33832, His2A:CG33835, His2A:CG33838, His2A:CG33841, His2A:CG33844, His2A:CG33847, His2A:CG33850, His2A:CG33862, His2A:CG33865
Sequence domains: Core histone H2A/H2B/H3/H4
Structure domains: Histone, subunit A
DNA (147-MER) Chain: I
Molecule details ›
Chain: I
Length: 147 nucleotides
Theoretical weight: 45.37 KDa
DNA (147-MER) Chain: J
Molecule details ›
Chain: J
Length: 147 nucleotides
Theoretical weight: 45.36 KDa

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-3
Spacegroup: P212121
Unit cell:
a: 106.03Å b: 182.04Å c: 109.42Å
α: 90° β: 90° γ: 90°
R R work R free
0.229 0.229 0.262
Expression system: Escherichia coli