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3-Acetylpyridine NAD (APAD) is an analog of NAD⁺ (free acid) (nicotinamide adenine dinucleotide; ), a signaling molecule and cofactor or substrate for many enzymes. APAD has been used to study the mechanisms of oxidative phosphorylation. It can be reduced by transdehydrogenase from NADH (sodium salt) . It can be reduced more efficiently and is more stable than NAD⁺; thus, it is useful as a substitute.

3-Acetylpyridine adenine dinucleotide, 90% is an analog of nicotinamide adenine dinucleotide (NAD). 33-Acetylpyridine adenine dinucleotide, 90% collaboratively inhibits Lactate Dehydrogenase (LDH) with bisulfite[1][2].

ChEBI: 3-acetylpyridine adenine dinucleotide is an organic molecular entity.

[1] Boland MJ. NADH-dependent glutamate synthase from lupin nodules. Reactions with oxidised and reduced 3-acetylpyridine-adenine dinucleotide. Eur J Biochem. 1981 Apr;115(3):485-9. PMID:7238515
[2] Ciaccio EI. The inhibition of lactate dehydrogenase by 3-acetylpyridine adenine dinucleotide and bisulfite. J Biol Chem. 1966 Apr 10;241(7):1581-6. PMID:5946616