preferred_name: kaempferol + S-adenosyl-L-methionine = kaempferide + S-adenosyl-L-homocysteine + H(+)
preferred_name_lc: kaempferol + s-adenosyl-l-methionine = kaempferide + s-adenosyl-l-homocysteine + h(+)
label: "kaempferol 4'-O-methyltransferase"
label_lc: "kaempferol 4'-o-methyltransferase"