4xud

X-ray diffraction
2.4Å resolution

Synthesis and evaluation of heterocyclic catechol mimics as inhibitors of catechol-O-methyltransferase (COMT): Structure with Cmpd32 ([1-(biphenyl-3-yl)-5-hydroxy-4-oxo-1,4-dihydropyridin-3-yl]boronic acid)

Released:

Function and Biology Details

Reaction catalysed:
S-adenosyl-L-methionine + a catechol = S-adenosyl-L-homocysteine + a guaiacol
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-149486 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Catechol O-methyltransferase Chain: A
Molecule details ›
Chain: A
Length: 218 amino acids
Theoretical weight: 24.26 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P21964 (Residues: 48-265; Coverage: 80%)
Gene name: COMT
Sequence domains: O-methyltransferase
Structure domains: Vaccinia Virus protein VP39

Ligands and Environments


Cofactor: Ligand SAM 1 x SAM
3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU FR-E+ SUPERBRIGHT
Spacegroup: P212121
Unit cell:
a: 43.812Å b: 57.631Å c: 98.249Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.171 0.168 0.241
Expression system: Escherichia coli