Biosynthesis and salvage pathways in <a href="https://en.wikipedia.org/wiki/nicotinamide_adenine_dinucleotide" class="extiw" title="w:nicotinamide adenine dinucleotide">NAD+</a> and <a href="https://en.wikipedia.org/wiki/nicotinamide_adenine_dinucleotide_phosphate" class="extiw" title="w:nicotinamide adenine dinucleotide phosphate">NADP+</a> metabolism. Created using <a rel="nofollow" class="external text" href="http://www.acdlabs.com/download/chemsk.html">ACD/ChemSketch 10.0</a> and <a href="https://en.wikipedia.org/wiki/Inkscape" class="extiw" title="w:Inkscape">Inkscape</a>. ;Legend *Trp: <a href="https://en.wikipedia.org/wiki/tryptophan" class="extiw" title="w:tryptophan">tryptophan</a> *QA: <a href="https://en.wikipedia.org/wiki/quinolinic_acid" class="extiw" title="w:quinolinic acid">quinolinic acid</a> *Na: <a href="https://en.wikipedia.org/wiki/niacin" class="extiw" title="w:niacin">nicotinic acid</a> *NaMN: <i>nicotinic acid mononucleotide</i> *NaAD: <i>nicotinic acid adenine dinucleotide</i> *NAD: <a href="https://en.wikipedia.org/wiki/nicotinamide_adenine_dinucleotide" class="extiw" title="w:nicotinamide adenine dinucleotide">nicotinamide adenine dinucleotide</a> *NADP: <a href="https://en.wikipedia.org/wiki/nicotinamide_adenine_dinucleotide_phosphate" class="extiw" title="w:nicotinamide adenine dinucleotide phosphate">nicotinamide adenine dinucleotide phosphate</a> *NR: <i>nicotinamide riboside</i> *NMN: <i>nicotinamide mononucleotide</i> *Nam: <a href="https://en.wikipedia.org/wiki/nicotinamide" class="extiw" title="w:nicotinamide">nicotinamide</a> *ADP-ribose: <a href="https://en.wikipedia.org/wiki/adenosine_diphosphate_ribose" class="extiw" title="w:adenosine diphosphate ribose">adenosine diphosphate ribose</a>
<ul><li><a href="//commons.wikimedia.org/wiki/File:NAD_metabolism.svg" title="File:NAD metabolism.svg">NAD_metabolism.svg</a>: <a href="//commons.wikimedia.org/wiki/User:Fvasconcellos" title="User:Fvasconcellos">Fvasconcellos</a> 20:31, 9 December 2007 (UTC). <a href="https://en.wikipedia.org/wiki/Image:NAD_metabolism.png" class="extiw" title="w:Image:NAD metabolism.png">w:Image:NAD metabolism.png</a> by <a href="https://en.wikipedia.org/wiki/User:TimVickers" class="extiw" title="w:User:TimVickers">Tim Vickers</a>.</li>
<li>derivative work: <a href="//commons.wikimedia.org/wiki/User:Gustavocarra" title="User:Gustavocarra">Gustavocarra</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Gustavocarra" title="User talk:Gustavocarra"><span class="signature-talk">talk</span></a>)</li></ul>
<ul><li><a href="//commons.wikimedia.org/wiki/File:NAD_metabolism.svg" title="File:NAD metabolism.svg">NAD_metabolism.svg</a></li></ul>