6-methylthioguanine + S-adenosyl-L-homocysteine + H(+) => 6-thioguanine + S-adenosyl-L-methionine
6-methylthioguanine + s-adenosyl-l-homocysteine + h(+) => 6-thioguanine + s-adenosyl-l-methionine
6-methylthioguanine + S-adenosyl-L-homocysteine + H(+) => 6-thioguanine + S-adenosyl-L-methionine
6-methylthioguanine + s-adenosyl-l-homocysteine + h(+) => 6-thioguanine + s-adenosyl-l-methionine