Ribbon diagram of human <a href="https://en.wikipedia.org/wiki/cytochrome_P450" class="extiw" title="w:cytochrome P450">cytochrome P450</a> <a href="https://en.wikipedia.org/wiki/isozyme" class="extiw" title="w:isozyme">isozyme</a> <a href="https://en.wikipedia.org/wiki/CYP2C9" class="extiw" title="w:CYP2C9">2C9</a>. <a href="https://en.wikipedia.org/wiki/heme" class="extiw" title="w:heme">Heme group</a> visible at center.<br>Created using <a rel="nofollow" class="external text" href="http://www.accelrys.com/products/downloads/ds_visualizer/index.html">Accelrys DS Visualizer Pro 1.7</a> and <a href="https://en.wikipedia.org/wiki/GIMP" class="extiw" title="w:GIMP">the GIMP</a>.
<a href="//commons.wikimedia.org/wiki/User:Fvasconcellos" title="User:Fvasconcellos">Fvasconcellos</a> 03:26, 7 October 2007 (UTC)
<p>From <a href="https://en.wikipedia.org/wiki/Protein_Data_Bank" class="extiw" title="w:Protein Data Bank">PDB</a> <a rel="nofollow" class="external text" href="http://www.rcsb.org/pdb/cgi/explore.cgi?pdbId=1OG2">1OG2</a>. More information:
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<ul><li><cite style="font-style:normal">Williams PA, Cosme J, Ward A, Angove HC, Matak Vinković D, Jhoti H (2003). "Crystal structure of human cytochrome P450 2C9 with bound warfarin". <i><a href="https://en.wikipedia.org/wiki/Nature_(journal)" class="extiw" title="w:Nature (journal)">Nature</a></i> <b>424</b> (6947): 464–8. <a class="external mw-magiclink-pmid" rel="nofollow" href="//www.ncbi.nlm.nih.gov/pubmed/12861225?dopt=Abstract">PMID 12861225</a>.</cite> <a href="https://en.wikipedia.org/wiki/Digital_object_identifier" class="extiw" title="w:Digital object identifier">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1038%2Fnature01862">10.1038/nature01862</a></li></ul>