4uc4

X-ray diffraction
2.56Å resolution

Crystal structure of hybrid tudor domain of human lysine demethylase KDM4B

Released:

Function and Biology Details

Reaction catalysed:
(1a) a [histone H3]-N(6),N(6),N(6)-trimethyl-L-lysine(9) + 2-oxoglutarate + O(2) = a [histone H3]-N(6),N(6)-dimethyl-L-lysine(9) + succinate + formaldehyde + CO(2)
Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-131802 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Lysine-specific demethylase 4B Chains: A, B
Molecule details ›
Chains: A, B
Length: 119 amino acids
Theoretical weight: 13.37 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: O94953 (Residues: 917-1031; Coverage: 11%)
Gene names: JHDM3B, JMJD2B, KDM4B, KIAA0876
Sequence domains: Jumonji domain-containing protein 2A Tudor domain
Structure domains:

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 21-ID-F
Spacegroup: P31
Unit cell:
a: 77.436Å b: 77.436Å c: 50.758Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.203 0.197 0.254
Expression system: Escherichia coli