Based on the PDB crystallographic coordinates 1QPS.
<a href="//commons.wikimedia.org/wiki/User:Boghog2" class="mw-redirect" title="User:Boghog2">Boghog2</a>
This  structure was created with <a href="https://en.wikipedia.org/wiki/PyMOL" class="extiw" title="w:PyMOL">PyMOL</a>.