PDBe 3bwm

X-ray diffraction
1.98Å resolution

Crystal Structure of Human Catechol O-Methyltransferase with bound SAM and DNC

Released:
Source organism: Homo sapiens

Function and Biology Details

Reaction catalysed:
S-adenosyl-L-methionine + a catechol = S-adenosyl-L-homocysteine + a guaiacol. 
Biochemical function:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Catechol O-methyltransferase Chain: A
Molecule details ›
Chain: A
Length: 214 amino acids
Theoretical weight: 23.85 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P21964 (Residues: 52-265; Coverage: 79%)
Gene name: COMT
Sequence domains:
Structure domains: Vaccinia Virus protein VP39

Ligands and Environments


No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU MICROMAX-007
Spacegroup: P212121
Unit cell:
a: 43.284Å b: 66.648Å c: 68.046Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.177 0.175 0.225
Expression system: Escherichia coli