iodide + S-adenosyl-L-methionine <=> iodomethane + S-adenosyl-L-homocysteine
iodide + s-adenosyl-l-methionine <=> iodomethane + s-adenosyl-l-homocysteine
iodide + S-adenosyl-L-methionine <=> iodomethane + S-adenosyl-L-homocysteine
iodide + s-adenosyl-l-methionine <=> iodomethane + s-adenosyl-l-homocysteine