4-methoxyestrone + S-adenosyl-L-homocysteine + H(+) => 4-hydroxyestrone + S-adenosyl-L-methionine
4-methoxyestrone + s-adenosyl-l-homocysteine + h(+) => 4-hydroxyestrone + s-adenosyl-l-methionine
4-methoxyestrone + S-adenosyl-L-homocysteine + H(+) => 4-hydroxyestrone + S-adenosyl-L-methionine
4-methoxyestrone + s-adenosyl-l-homocysteine + h(+) => 4-hydroxyestrone + s-adenosyl-l-methionine