<p>Created using Cn3D using file located at <a rel="nofollow" class="external free" href="https://www.ncbi.nlm.nih.gov/Structure/mmdb/mmdbsrv.cgi?form=6&amp;db=t&amp;Dopt=s&amp;uid=29554">https://www.ncbi.nlm.nih.gov/Structure/mmdb/mmdbsrv.cgi?form=6&amp;db=t&amp;Dopt=s&amp;uid=29554</a>.
</p>
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