PDBe 1kna

X-ray diffraction
2.1Å resolution

Chromo domain of HP1 complexed with histone H3 tail containing dimethyllysine 9.

Released:

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Heterochromatin protein 1 Chain: A
Molecule details ›
Chain: A
Length: 69 amino acids
Theoretical weight: 8.59 KDa
Source organism: Drosophila melanogaster
Expression system: Escherichia coli
UniProt:
  • Canonical: P05205 (Residues: 17-76; Coverage: 29%)
Gene names: CG8409, HP1, Su(var)205
Sequence domains: Chromo (CHRromatin Organisation MOdifier) domain
Structure domains: OB fold (Dihydrolipoamide Acetyltransferase, E2P)

Ligands and Environments

No bound ligands

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU
Spacegroup: C2221
Unit cell:
a: 33.792Å b: 76.883Å c: 75.548Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.228 0.228 0.259
Expression systems:
  • Escherichia coli
  • Not provided