title: Stereoselective enzymatic O-methylation of tetrahydropapaveroline and tetrahydroxyberbine alkaloids.
mesh_terms: D000818:Animals; D001600:Berberine Alkaloids / Q000378:metabolism*; D065098:Catechol O-Methyltransferase Inhibitors; D066298:In Vitro Techniques; D008099:Liver / Q000201:enzymology; D008745:Methylation; D008780:Methyltransferases / Q000378:metabolism; D010208:Papaverine / Q000031:analogs & derivatives*; D011506:Proteins / Q000378:metabolism; D051381:Rats; D012436:S-Adenosylmethionine / Q000378:metabolism; D013237:Stereoisomerism; D013765:Tetrahydropapaveroline / Q000378:metabolism*
chemical_list: D001600:Berberine Alkaloids; D065098:Catechol O-Methyltransferase Inhibitors; D011506:Proteins; D013765:Tetrahydropapaveroline; D012436:S-Adenosylmethionine; D010208:Papaverine; D008780:Methyltransferases