Catalyzed by garnesyl-diphosphate farnesyltransferase (squalene synthase), two molecules of farnesyl pyrophosphate condense with reduction by NADPH to form squalene
<a href="//commons.wikimedia.org/wiki/User:Jag123~commonswiki" title="User:Jag123~commonswiki">User:Jag123~commonswiki</a>; corrected by <a href="//commons.wikimedia.org/wiki/User:Edgar181" title="User:Edgar181">User:Edgar181</a>
This file was derived from: <a href="//commons.wikimedia.org/wiki/File:Cholesterol-Synthesis-Complete.png" title="File:Cholesterol-Synthesis-Complete.png">Cholesterol-Synthesis-Complete.png</a><br>