allosteric activator

例句：

1. 1. The allostericactivator in the enzyme can change itsactivity level.
   酶中的变阻器激活剂可以改变其活性水平。
2. 2. The allosteric activator is a smallmolecule that can regulate the activity of anenzyme.
   变阻器激活剂是一种小分子，可以调节酶的活性。
3. 3. The allosteric activator plays a crucialrole in the regulation of enzyme activity.
   变阻器激活剂在酶活性调节中起着关键作用。