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5-hydroxyfuranocoumarin 5-O-methyltransferase : ウィキペディア英語版 | 5-hydroxyfuranocoumarin 5-O-methyltransferase
5-hydroxyfuranocoumarin 5-O-methyltransferase (, ''furanocoumarin 5-methyltransferase'', ''furanocoumarin 5-O-methyltransferase'', ''bergaptol 5-O-methyltransferase'', ''bergaptol O-methyltransferase'', ''bergaptol methyltransferase'', ''S-adenosyl-L-methionine:bergaptol O-methyltransferase'', ''BMT'', ''S-adenosyl-L-methionine:5-hydroxyfuranocoumarin 5-O-methyltransferase'') is an enzyme with system name ''S-adenosyl-L-methionine:5-hydroxyfurocoumarin 5-O-methyltransferase''. This enzyme catalyses the following chemical reaction : (1) S-adenosyl-L-methionine + a 5-hydroxyfurocoumarin S-adenosyl-L-homocysteine + a 5-methoxyfurocoumarin (general reaction) : (2) S-adenosyl-L-methionine + bergaptol S-adenosyl-L-homocysteine + bergapten The enzyme methylates the 5-hydroxy group of some hydroxy- and methylcoumarins, such as 5-hydroxyxanthotoxin. == References ==
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