 class="an ">&ensp;</span>of <span  title="" class="an ">&ensp;</span>transmitter <span  title="" class="an ">&ensp;</span>release <span  title="" class="an ">&ensp;</span>indicated <span  title="" class="an ">&ensp;</span>that <span  title="" class="an ">&ensp;</span>a <span  title="" class="an ">&ensp;</span>Q <span  title="" class="an ">&ensp;</span>type <span  title="" class="an ">&ensp;</span><span  title="ProteinName" class="an ProteinName">Ca</span><span  title="" class="an ">&ensp;</span>channel <sp