nicotinamide adenine dinucleotide (nad+) coenzyme molecule. important coenzyme in many redox reactions

nad nicotinamide adenine dinucleotide coenzyme redox electron oxidizing nadh nadp phosphate cell mitochondrion mitochondria metabolism oxidoreductase dehydrogenase reductase rossman fold alzheimer parkinson neurodegeneration isoniazid sirtuin hydrogen carbon oxygen nitrogen phosphorus molecule atoms atomic model molecular