<div class='caption-body'><ul class ='image_legend_ul'>The deposited structure of PDB entry 3ibf coloured by chemically distinct molecules and viewed from the top. The entry contains: <li class ='image_legend_li'>2 copies of Caspase-7 subunit p20</li><li class ='image_legend_li'>2 copies of Caspase-7 subunit p11</li><li class ='image_legend_li'>There are no non-polymeric molecules</li></ul></li></ul></li></div>