Alcohol dehydrogenases (ADH) are a group of dehydrogenase enzymes that occur in many organisms and facilitate the interconversion between alcohols and aldehydes or ketones with the reduction of nicotinamide adenine dinucleotide (NAD+ to NADH). For more info, please visit: https://www.creative-enzymes.com/similar/Alcohol-Dehydrogenase_43.html