    entries are populated by this function)</span>
0015 <span class="comment">%   action          response action if multiple proteins with different EC</span>
0016 <span class="comment">%                   numbers are found for a given gene in a metabolic</span>
0017 <span class="comment">%                   reaction (optional, default 'display')</span>
0018 <span class="comment">%                   - 'display' displays all found multiplicities</span>
0019 <span class="comment">%                   - 'ignor