class="an ProteinName">Mg</span><span  title="ProteinName" class="an ProteinName">&ensp;</span><span  title="ProteinName, CAP" class="an ProteinName CAP">ATP</span><span  title="" class="an ">&ensp;</span>concentration <span  title="" class="an ">&ensp;</span>did <span  title="" class="an ">&ensp;</span>not <span  title="" class="an ">&ensp;</span>show <span  title="" class="an ">&ensp;</span>a <span  title="" class="an ">&ensp;</span>consistent <span  title="" class="an ">&ensp;</span>pattern <span  title=