<div class='caption-body'><ul class ='image_legend_ul'>The deposited structure of PDB entry 3exm coloured by chemically distinct molecules and viewed from the side. The entry contains: <li class ='image_legend_li'>1 copy of DUF402 domain-containing protein</li><li class ='image_legend_li'>4 non-polymeric entities<ul class ='image_legend_ul'><li class ='image_legend_li'>3 copies of CALCIUM ION</li><li class ='image_legend_li'>2 copies of SODIUM ION</li><li class ='image_legend_li'>1 copy of PHOSPHOMETHYLPHOSPHONIC ACID GUANOSYL ESTER</li><li class ='image_legend_li'>1 copy of GLYCEROL</li></ul></li></div>