3q6s

X-ray diffraction
1.93Å resolution

The crystal structure of the heterochromatin protein 1 beta chromoshadow domain complexed with a peptide from Shugoshin 1

Released:

Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-160772 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Chromobox protein homolog 1 Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 78 amino acids
Theoretical weight: 8.97 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P83916 (Residues: 108-185; Coverage: 42%)
Gene names: CBX, CBX1
Sequence domains: Chromo shadow domain
Structure domains: OB fold (Dihydrolipoamide Acetyltransferase, E2P)
Shugoshin 1 Chains: E, F
Molecule details ›
Chains: E, F
Length: 19 amino acids
Theoretical weight: 2.17 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: Q5FBB7 (Residues: 445-463; Coverage: 3%)
Gene names: SGO1, SGOL1

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P21212
Unit cell:
a: 76.816Å b: 108.893Å c: 41.938Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.192 0.19 0.229
Expression systems:
  • Escherichia coli
  • Not provided