PDBe 5l6e

X-ray diffraction
1.9Å resolution

Crystal structure of the human METTL3-METTL14 complex bound to SAM

Released:
Source organism: Homo sapiens

Function and Biology Details

Reaction catalysed:
S-adenosyl-L-methionine + adenine in mRNA = S-adenosyl-L-homocysteine + N(6)-methyladenine in mRNA
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
N6-adenosine-methyltransferase catalytic subunit Chain: A
Molecule details ›
Chain: A
Length: 227 amino acids
Theoretical weight: 25.89 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: Q86U44 (Residues: 354-580; Coverage: 39%)
Gene names: METTL3, MTA70
Sequence domains: MT-A70
N6-adenosine-methyltransferase non-catalytic subunit Chain: B
Molecule details ›
Chain: B
Length: 289 amino acids
Theoretical weight: 33.49 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: Q9HCE5 (Residues: 107-395; Coverage: 63%)
Gene names: KIAA1627, METTL14
Sequence domains: MT-A70

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X06DA
Spacegroup: P3221
Unit cell:
a: 63.949Å b: 63.949Å c: 225.858Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.158 0.157 0.183
Expression system: Spodoptera frugiperda