anine, aspartate and glutamate metabolism);ko00280(Valine, leucine and isoleucine degradation);ko00650(Butanoate metabolism);ko00640(Propanoate metabolism);ko00410(beta-Alanine metabolism);ko04727(GABAergic synapse)</span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="co"># 3. Default parameters</span></span></span>
<span class="r-in"><span><span class="va">res</span> <span class="op">&lt;-</span> <span class="fu">table_cross</span><span class="op">(</span><span class="va"