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Literature summary for 2.1.1.6 extracted from

  • Tsuji, E.; Okazaki, K.; Takeda, K.
    Crystal structures of rat catechol-O-methyltransferase complexed with coumarine-based inhibitor (2009), Biochem. Biophys. Res. Commun., 378, 494-497.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Escherichia coli BL21 Codon Plus (DE3) cells Rattus norvegicus

Crystallization (Commentary)

Crystallization (Comment) Organism
in complex with 4-phenyl-7,8-dihydroxycoumarin, hanging drop vapor diffusion method, using 0.2 M (NH4)2SO4, 0.1 M Tris pH 7.5, 30% (w/v) PEG8000 Rattus norvegicus

Inhibitors

Inhibitors Comment Organism Structure
4-phenyl-7,8-dihydroxycoumarin
-
Rattus norvegicus
additional information COMT is a target for inhibitor development aiming at Parkinson’s disease treatment and is submitted to extensive structure-based drug design Rattus norvegicus

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ Mg2+ is a necessary cofactor for the methylation reaction, it is octahedrally coordinated in the active site by the side chains of D141, D169, N170, the two-hydroxyl groups of the catechol substrate, and a water molecule trans to N170 Rattus norvegicus

Organism

Organism UniProt Comment Textmining
Rattus norvegicus P22734
-
-

Purification (Commentary)

Purification (Comment) Organism
GST 4B Sepharose resin column chromatography, Super Q-5PW column chromatography, and Superdex 75 gel filtration Rattus norvegicus

Synonyms

Synonyms Comment Organism
S-COMT
-
Rattus norvegicus