5-hydroxyfuranocoumarin 5-O-methyltransferase
5-hydroxyfuranocoumarin 5-O-methyltransferase is an enzyme with systematic name S-adenosyl-L-methionine:5-hydroxyfurocoumarin 5-O-methyltransferase. This enzyme catalyses the following chemical reaction
The enzyme methylates the 5-hydroxy group of some hydroxy- and methylcoumarins, such as 5-hydroxyxanthotoxin.