5wg6

X-ray diffraction
3.9Å resolution

Human Polycomb Repressive Complex 2 in complex with GSK126 inhibitor

Released:

Function and Biology Details

Reaction catalysed:
(1a) S-adenosyl-L-methionine + a [histone H3]-L-lysine(27) = S-adenosyl-L-homocysteine + a [histone H3]-N(6)-methyl-L-lysine(27)

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-131029 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Histone-lysine N-methyltransferase EZH2; Polycomb protein SUZ12 Chains: A, C
Molecule details ›
Chains: A, C
Length: 859 amino acids
Theoretical weight: 99.16 KDa
Source organism: Homo sapiens
Expression system: Saccharomyces cerevisiae
UniProt:
  • Canonical: Q15910 (Residues: 2-746; Coverage: 93%)
  • Canonical: Q15022 (Residues: 543-695; Coverage: 21%)
Gene names: CHET9, EZH2, JJAZ1, KIAA0160, KMT6, SUZ12
Sequence domains:
Polycomb protein EED Chains: B, D
Molecule details ›
Chains: B, D
Length: 442 amino acids
Theoretical weight: 50.35 KDa
Source organism: Homo sapiens
Expression system: Saccharomyces cerevisiae
UniProt:
  • Canonical: O75530 (Residues: 2-441; Coverage: 100%)
Gene name: EED
Sequence domains: WD domain, G-beta repeat

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: I422
Unit cell:
a: 243.88Å b: 243.88Å c: 243.699Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.245 0.242 0.3
Expression system: Saccharomyces cerevisiae