Cartoon diagram of <i>N</i>-truncated human <a href="https://en.wikipedia.org/wiki/cystatin_C" class="extiw" title="w:cystatin C">cystatin C</a>, <a href="https://en.wikipedia.org/wiki/dimer" class="extiw" title="w:dimer">dimeric</a> form, with 3D domain swapping.<br>Created using <a href="https://en.wikipedia.org/wiki/PyMOL" class="extiw" title="w:PyMOL">PyMOL</a> (<a rel="nofollow" class="external free" href="http://www.pymol.org">http://www.pymol.org</a>) and <a href="https://en.wikipedia.org/wiki/GIMP" class="extiw" title="w:GIMP">GIMP</a>.
<a href="//commons.wikimedia.org/wiki/User:Fvasconcellos" title="User:Fvasconcellos">Fvasconcellos</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Fvasconcellos" title="User talk:Fvasconcellos">talk</a><span style="white-space:nowrap"> <b>·</b></span> <a href="//commons.wikimedia.org/wiki/Special:Contributions/Fvasconcellos" title="Special:Contributions/Fvasconcellos">contribs</a>)
Janowski, R., Abrahamson, M., Grubb, A., Jaskolski, M. (2004) "Domain swapping in N-truncated human cystatin C".  <i>J Mol Biol</i> 341: 151–60. Obtained from <a href="https://en.wikipedia.org/wiki/Protein_Data_Bank" class="extiw" title="w:Protein Data Bank">PDB</a> <a rel="nofollow" class="external text" href="http://www.rcsb.org/pdb/cgi/explore.cgi?pdbId=1R45">1R45</a>.