>&ensp;</span>Q <span  title="" class="an ">&ensp;</span>X <span  title="" class="an ">&ensp;</span>subunits <span  title="" class="an ">&ensp;</span>displayed <span  title="" class="an ">&ensp;</span>altered <span  title="" class="an ">&ensp;</span>degradation <span  title="" class="an ">&ensp;</span>rates <span  title="" class="an ">&ensp;</span>and <span  title="" class="an ">&ensp;</span>or <span  title="" class="an ">&ensp;</span>were <span  title="" class="an ">&ensp;</span>retained <span  title="" cl