7at8

Electron Microscopy
4.4Å resolution

Histone H3 recognition by nucleosome-bound PRC2 subunit EZH2.

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)
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
hetero dodecamer (preferred)
PDBe Complex ID:
PDB-CPX-121084 (preferred)
Entry contents:
6 distinct polypeptide molecules
2 distinct DNA molecules
Macromolecules (8 distinct):
Histone-lysine N-methyltransferase EZH2 Chain: A
Molecule details ›
Chain: A
Length: 764 amino acids
Theoretical weight: 87.2 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: Q15910 (Residues: 1-297, 298-486, 487-746; Coverage: 100%)
Gene names: EZH2, KMT6
Sequence domains:
Polycomb protein SUZ12 Chain: C
Molecule details ›
Chain: C
Length: 739 amino acids
Theoretical weight: 83.18 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: Q15022 (Residues: 1-739; Coverage: 100%)
Gene names: CHET9, JJAZ1, KIAA0160, SUZ12
Sequence domains: VEFS-Box of polycomb protein
Histone H3.2 Chains: D, H
Molecule details ›
Chains: D, H
Length: 135 amino acids
Theoretical weight: 15.3 KDa
Source organism: Xenopus laevis
Expression system: Escherichia coli
UniProt:
  • Canonical: P84233 (Residues: 2-136; Coverage: 99%)
Sequence domains: Core histone H2A/H2B/H3/H4
Histone H4 Chains: E, I
Molecule details ›
Chains: E, I
Length: 102 amino acids
Theoretical weight: 11.26 KDa
Source organism: Xenopus laevis
Expression system: Escherichia coli
UniProt:
  • Canonical: P62799 (Residues: 2-103; Coverage: 99%)
Sequence domains: Centromere kinetochore component CENP-T histone fold
Histone H2A type 1 Chains: F, J
Molecule details ›
Chains: F, J
Length: 129 amino acids
Theoretical weight: 13.98 KDa
Source organism: Xenopus laevis
Expression system: Escherichia coli
UniProt:
  • Canonical: P06897 (Residues: 2-130; Coverage: 99%)
Sequence domains:
Histone H2B 1.1 Chains: G, K
Molecule details ›
Chains: G, K
Length: 122 amino acids
Theoretical weight: 13.52 KDa
Source organism: Xenopus laevis
Expression system: Escherichia coli
UniProt:
  • Canonical: P02281 (Residues: 5-126; Coverage: 97%)
Sequence domains: Core histone H2A/H2B/H3/H4
Widom601 DNA plus linker Chain: T
Molecule details ›
Chain: T
Length: 156 nucleotides
Theoretical weight: 47.9 KDa
Widom601 DNA plus linker Chain: U
Molecule details ›
Chain: U
Length: 156 nucleotides
Theoretical weight: 48.4 KDa

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 4.4Å
Relevant EMDB volumes: EMD-11910
Expression systems:
  • Trichoplusia ni
  • Escherichia coli