7-dehydrodesmosterol + S-adenosyl-L-methionine = 5-dehydroepisterol + S-adenosyl-L-homocysteine + H(+)
7-dehydrodesmosterol + s-adenosyl-l-methionine = 5-dehydroepisterol + s-adenosyl-l-homocysteine + h(+)
7-dehydrodesmosterol + S-adenosyl-L-methionine = 5-dehydroepisterol + S-adenosyl-L-homocysteine + H(+)
7-dehydrodesmosterol + s-adenosyl-l-methionine = 5-dehydroepisterol + s-adenosyl-l-homocysteine + h(+)