nicotinamide adenine dinucleotide nad coenzyme molecule. important coenzyme in many redox reactions. skeletal formula.

nicotinamide adenine dinucleotide nad coenzyme molecule important many redox reactions skeletal formula electron oxidizing nadh nadp phosphate cell mitochondrion mitochondria metabolism oxidoreductase dehydrogenase reductase rossman fold alzheimer parkinson neurodegeneration isoniazid sirtuin hydrogen carbon oxygen nitrogen phosphorus atoms atomic molecular compound composition chemical chemistry structure line drawing flat icon vector