puromycin + S-adenosyl-L-homocysteine + H(+) => O-demethylpuromycin + S-adenosyl-L-methionine
puromycin + s-adenosyl-l-homocysteine + h(+) => o-demethylpuromycin + s-adenosyl-l-methionine
puromycin + S-adenosyl-L-homocysteine + H(+) => O-demethylpuromycin + S-adenosyl-L-methionine
puromycin + s-adenosyl-l-homocysteine + h(+) => o-demethylpuromycin + s-adenosyl-l-methionine