&ensp;</span>substituted <span  title="" class="an ">&ensp;</span>for <span  title="" class="an ">&ensp;</span><span  title="CAP" class="an CAP">GTP</span><span  title="" class="an ">&ensp;</span>in <span  title="" class="an ">&ensp;</span>the <span  title="" class="an ">&ensp;</span>pipette <span  title="" class="an ">&ensp;</span>In <span  title="" class="an ">&ensp;</span>addition <span  title="" class="an ">&ensp;</span>inhibition <span  title="" class="an ">&ensp;</span>of <span  title="" class="an ">&