le="" class="an ">&ensp;</span>agatoxin <span  title="" class="an ">&ensp;</span><span  title="CAP" class="an CAP">IVA</span><span  title="" class="an ">&ensp;</span>omega <span  title="" class="an ">&ensp;</span>Aga <span  title="" class="an ">&ensp;</span><span  title="CAP" class="an CAP">IVA</span><span  title="" class="an ">&ensp;</span>to <span  title="" class="an ">&ensp;</span>block <span  title="" class="an ">&ensp;</span>N <span  title="" class="an ">&ensp;</span>and <span  title="" class="an ">&en