title: Catechol O-methyltransferases of tobacco: evidence for several enzymes with para- and meta-O-methylating activities.
mesh_terms: D002394:Catechol O-Methyltransferase / Q000302:isolation & purification / Q000378:metabolism*; D007527:Isoenzymes / Q000302:isolation & purification / Q000378:metabolism*; D010944:Plants / Q000201:enzymology*; D010947:Plants, Toxic; D013329:Structure-Activity Relationship; D014026:Nicotiana / Q000201:enzymology
chemical_list: D007527:Isoenzymes; D002394:Catechol O-Methyltransferase