<a href="https://en.wikipedia.org/wiki/Space-filling_model" class="extiw" title="w:Space-filling model">Spacefilling models</a> of <a href="https://en.wikipedia.org/wiki/angiotensin" class="extiw" title="w:angiotensin">angiotensin I</a> (left) and <a href="https://en.wikipedia.org/wiki/angiotensin" class="extiw" title="w:angiotensin">angiotensin II</a> (right). Created using <a rel="nofollow" class="external text" href="http://www.accelrys.com/products/downloads/ds_visualizer/index.html">Accelrys DS Visualizer Pro 1.6</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>
Own work, after <a href="https://en.wikipedia.org/wiki/Protein_Data_Bank" class="extiw" title="w:Protein Data Bank">PDB</a> entries <a rel="nofollow" class="external text" href="http://www.pdb.org/pdb/explore.do?structureId=1N9U">1N9U</a> (angiotensin I) and <a rel="nofollow" class="external text" href="http://www.pdb.org/pdb/explore.do?structureId=1N9V">1N9V</a> (angiotensin II).