6at0

X-ray diffraction
1.28Å resolution

Chromodomain HP1 with a p-nitro-L-phenylalanine mutation at position 24 bound to histone H3 peptide containing trimethyl lysine

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)
PDBe Complex ID:
PDB-CPX-135450 (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: 8.62 KDa
Source organism: Drosophila melanogaster
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P05205 (Residues: 17-76; Coverage: 29%)
Gene names: CG8409, HP1, HP1a, Su(var)2-5, Su(var)205
Sequence domains: Chromo (CHRromatin Organisation MOdifier) domain

Ligands and Environments

No bound ligands
2 modified residues:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 22-ID
Spacegroup: C2221
Unit cell:
a: 34.417Å b: 76.857Å c: 76.479Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.242 0.241 0.26
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided