cause wrong assignments</span>
<span class="sd">        if multiple chains are present in the structure.</span>
<span class="sd">    sec_struct_column : str, optional (default: sec_struct_3state)</span>
<span class="sd">        Column in residues table that contains the secondary</span>
<span class="sd">        structure symbols for each position (convention: helix: H,</span>
<span class="sd">        strand: E, other: C)</span>

<span class="sd">    Returns</span>
<span class="sd">    -------</span>
<span c