3-<i>O</i>-Methylation of <a href="https://en.wikipedia.org/wiki/L-DOPA" class="extiw" title="w:L-DOPA"><small>L</small>-DOPA</a> (3-hydroxy-<small>L-</small>tyrosine) by <a href="https://en.wikipedia.org/wiki/Catechol-O-methyl_transferase" class="extiw" title="w:Catechol-O-methyl transferase">COMT</a> which produces 3-<i>O</i>-methyl-DOPA (3-methoxy-<small>L</small>-tyrosine). Created with <a rel="nofollow" class="external text" href="http://www.chemdoodle.com">ChemDoodle</a> and <a rel="nofollow" class="external text" href="http://www.adobe.com/products/illustrator.html">Adobe Illustrator CC 2017</a>.
<a href="//commons.wikimedia.org/wiki/User:Vaccinationist" title="User:Vaccinationist">Vaccinationist</a>
<span class="int-own-work" lang="en">Own work</span>