› 3kup

X-ray diffraction
1.77Å resolution

Crystal Structure of the CBX3 Chromo Shadow Domain

Released:
DOI: 10.2210/pdb3kup/pdb
PDB entry 3kup coloured by chain, front view.
PDB entry 3kup coloured by chain, side view.
PDB entry 3kup coloured by chain, top view.
Source organism: Homo sapiens
Entry authors: Tempel W, Li Z, Li Y, Kozieradzki I, Bountra C, Weigelt J, Arrowsmith CH, Edwards AM, Bochkarev A, Min J, Ouyang H, Structural Genomics Consortium (SGC)

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-171586 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Chromobox protein homolog 3 Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 65 amino acids
Theoretical weight: 7.23 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q13185 (Residues: 110-173; Coverage: 35%)
Gene name: CBX3
Sequence domains: Chromo shadow domain
Structure domains: OB fold (Dihydrolipoamide Acetyltransferase, E2P)

Ligands and Environments

1 bound ligand:
Ligand UNX 6 x UNX
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU FR-E DW
Spacegroup: P212121
Unit cell:
a: 44.063Å b: 75.936Å c: 85.944Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.222 0.221 0.261
Expression system: Escherichia coli BL21(DE3)

Quick links