list of (structure_file, chain)</span>
<span class="sd">            A list of PDBIDs or PDBID_chain or (PDB ID, chain)</span>
<span class="sd">            A folder with input structure files,</span>
<span class="sd">            A file which lists structure filenames or &quot;structure_filename, chain&quot; on each line,</span>
<span class="sd">            A file which lists PDBIDs or PDBID_chain or PDBID, chain on each line</span>
<span class="sd">        model</span>
<span class="sd">            trained Sh