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spontaneous Formic acid Water KMO Nicotinic acid adenine dinucleotide Adenosine monophosphate NADP Pyrophosphate Water Phosphoribosyl pyrophosphate NADPH L-Tryptophan N'-Formylkynurenine TDO2 NADSYN1 NAD 2-Amino-3-carboxymuconic acid semialdehyde AFMID Carbon dioxide pyrophosphate L-3-Hydroxykynurenine Pyrophosphate Hydrogen Ion Oxygen KYNU NMNAT1 Adenosine triphosphate HAAO Quinolinic acid Nicotinic acid mononucleotide L-Glutamine 3-Hydroxyanthranilic acid QPRT L-Kynurenine Adenosine triphosphate L-Glutamic acid Water L-Alanine Hydrogen Ion Water Hydrogen Ion Hydrogen Ion Hydrogen Ion Hydrogen Ion Oxygen Hydrogen Ion Water Hydrogen Ion Hydrogen Ion Hydrogen Ion Oxygen Hydrogen Ion Hydrogen Ion
Description
This is a general pathway for NAD biosynthesis in eukaryotes, where tryptophan is eventually converted into NAD. Though through recent studies it seems that NAD biosynthesis through tryptophan also occurs in some prokaryotes.
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