2q8e

X-ray diffraction
2.05Å resolution

Specificity and Mechanism of JMJD2A, a Trimethyllysine-Specific Histone Demethylase

Released:

Function and Biology Details

Reactions 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)
(1a) a [histone H3]-N(6),N(6),N(6)-trimethyl-L-lysine(36) + 2-oxoglutarate + O(2) = a [histone H3]-N(6),N(6)-dimethyl-L-lysine(36) + succinate + formaldehyde + CO(2)
Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-130873 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Lysine-specific demethylase 4A Chains: A, B
Molecule details ›
Chains: A, B
Length: 352 amino acids
Theoretical weight: 40.86 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: O75164 (Residues: 1-350; Coverage: 33%)
Gene names: JHDM3A, JMJD2, JMJD2A, KDM4A, KIAA0677
Sequence domains:
Structure domains: Cupin
histone 3 peptide Chains: F, G
Molecule details ›
Chains: F, G
Length: 16 amino acids
Theoretical weight: 1.8 KDa
Source organism: Homo sapiens
Expression system: Not provided

Ligands and Environments

3 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 23-ID-D
Spacegroup: P21212
Unit cell:
a: 100.294Å b: 148.964Å c: 56.81Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.215 0.213 0.26
Expression systems:
  • Escherichia coli BL21
  • Not provided