<p>Schematic representation of the three-dimensional <a href="https://en.wikipedia.org/wiki/protein_structure" class="extiw" title="w:protein structure">structure</a> of α-<a href="https://en.wikipedia.org/wiki/bungarotoxin" class="extiw" title="w:bungarotoxin">bungarotoxin</a>, colored from <a href="https://en.wikipedia.org/wiki/N-terminal_end" class="extiw" title="w:N-terminal end">N-terminal end</a> (blue) to <a href="https://en.wikipedia.org/wiki/C-terminal_end" class="extiw" title="w:C-terminal end">C-terminal end</a> (red). <a href="https://en.wikipedia.org/wiki/Disulfide_bond" class="extiw" title="w:Disulfide bond">Disulfide bonds</a> are shown in gold.<br>Created using <a rel="nofollow" class="external text" href="http://www.accelrys.com/products/downloads/ds_visualizer/index.html">Accelrys DS Visualizer Pro 1.6</a> and <a href="https://en.wikipedia.org/wiki/GIMP" class="extiw" title="w:GIMP">GIMP</a>.
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<dl><dt>Legend</dt></dl><div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#ffd700;color:#202122;text-align:center;"> </div> Disulfide bonds</div>
<a href="//commons.wikimedia.org/wiki/User:Fvasconcellos" title="User:Fvasconcellos">Fvasconcellos</a>
From <a href="https://en.wikipedia.org/wiki/Protein_Data_Bank" class="extiw" title="w:Protein Data Bank">PDB</a> entry <a rel="nofollow" class="external text" href="http://www.rcsb.org/pdb/cgi/explore.cgi?pdbId=1IDI">1IDI</a>.