4u7t

X-ray diffraction
2.9Å resolution

Crystal structure of DNMT3A-DNMT3L in complex with histone H3

Released:

Function and Biology Details

Reaction catalysed:
S-adenosyl-L-methionine + DNA = S-adenosyl-L-homocysteine + DNA containing 5-methylcytosine
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
PDBe Complex ID:
PDB-CPX-160873 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
DNA (cytosine-5)-methyltransferase 3A Chains: A, C
Molecule details ›
Chains: A, C
Length: 445 amino acids
Theoretical weight: 50.88 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9Y6K1 (Residues: 476-912; Coverage: 48%)
Gene name: DNMT3A
Sequence domains:
DNA (cytosine-5)-methyltransferase 3-like Chains: B, D
Molecule details ›
Chains: B, D
Length: 209 amino acids
Theoretical weight: 24.12 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9UJW3 (Residues: 178-379; Coverage: 52%)
Gene name: DNMT3L
Structure domains: Vaccinia Virus protein VP39
Histone H3.3 Chains: F, G
Molecule details ›
Chains: F, G
Length: 12 amino acids
Theoretical weight: 1.31 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: P84243 (Residues: 2-13; Coverage: 9%)
Gene names: H3-3A, H3-3B, H3.3A, H3.3B, H3F3, H3F3A, H3F3B, PP781

Ligands and Environments


Cofactor: Ligand SAH 2 x SAH
1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL17U
Spacegroup: P65
Unit cell:
a: 183.823Å b: 183.823Å c: 123.265Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.225 0.223 0.261
Expression systems:
  • Escherichia coli
  • Not provided