5-methoxytryptamine + acetyl-CoA <=> melatonin + CoA + H(+)
5-methoxytryptamine + acetyl-coa <=> melatonin + coa + h(+)
5-methoxytryptamine + acetyl-CoA <=> melatonin + CoA + H(+)
5-methoxytryptamine + acetyl-coa <=> melatonin + coa + h(+)