er</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">proteins_to_shapemers</span><span class="p">[</span><span class="n">key</span><span class="p">]):</span>
                <span class="n">shapemer_to_protein_indices</span><span class="p">[</span><span class="n">shapemer</span><span class="p">]</span><span class="o">.</span><span class="n">append</span><span class="p">((</span><span class="n">key</s