2qrv

X-ray diffraction
2.89Å resolution

Structure of Dnmt3a-Dnmt3L C-terminal domain complex

Released:

Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-193823 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
DNA (cytosine-5)-methyltransferase 3A Chains: A, D, E, H
Molecule details ›
Chains: A, D, E, H
Length: 295 amino acids
Theoretical weight: 33.96 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9Y6K1 (Residues: 627-912; Coverage: 31%)
Gene name: DNMT3A
Sequence domains: C-5 cytosine-specific DNA methylase
Structure domains:
DNA (cytosine-5)-methyltransferase 3-like Chains: B, C, F, G
Molecule details ›
Chains: B, C, F, G
Length: 230 amino acids
Theoretical weight: 26.69 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9UJW3 (Residues: 160-386; Coverage: 59%)
Gene name: DNMT3L
Structure domains: Vaccinia Virus protein VP39

Ligands and Environments


Cofactor: Ligand SAH 4 x SAH
No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 22-ID, null
Spacegroup: R3
Unit cell:
a: 401.881Å b: 401.881Å c: 49.689Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.259 0.259 0.281
Expression system: Escherichia coli BL21(DE3)