nicotinamide adenine dinucleotide or nad coenzyme molecule. skeletal formula.

nicotinamide molecule formula skeletal c21h27n7o14p2 sirtuin rossman reductase redox phosphorus phosphate parkinson oxygen oxidoreductase oxidizing nitrogen neurodegeneration nadp mitochondrion mitochondria metabolism isoniazid hydrogen fold electron dehydrogenase coenzyme carbon altzheimer cell nad nadh dinucleotide adenine atomic atoms chemical chemistry composition compound drawing flat icon line medical medicine molecular science