3OE4:
reference: Molecular Recognition at the Active Site of Catechol-O-methyltransferase (COMT): Adenine Replacements in Bisubstrate Inhibitors., Ellermann M, Paulini R, Jakob-Roetne R, Lerner C, Borroni E, Roth D, Ehler A, Schweizer WB, Schlatter D, Rudolph MG, Diederich F, Chemistry. 2011 May 27;17(23):6369-81. doi: 10.1002/chem.201003648. Epub, 2011 Apr 27. PMID: 21538606

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