PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11423146-4 2001 COMT (caffeic acid O-methyl transferase) downregulation in poplar results in the incorporation of 5-hydroxyconiferyl alcohol into lignins via typical radical coupling reactions, but post-coupling quinone methide internal trapping reactions produce novel benzodioxane units in the lignin. quinone 196-203 catechol-O-methyltransferase Homo sapiens 0-4 11423146-4 2001 COMT (caffeic acid O-methyl transferase) downregulation in poplar results in the incorporation of 5-hydroxyconiferyl alcohol into lignins via typical radical coupling reactions, but post-coupling quinone methide internal trapping reactions produce novel benzodioxane units in the lignin. quinone 196-203 catechol-O-methyltransferase Homo sapiens 6-39