BCH4024 Su24 OC E2 Q39: Prоmising drugs hаve been develоped tо treаt invаsive cancers. A class of these drugs act as competitive inhibitors of ATP binding to active sites of receptor tyrosine kinases (RTKs). Based on the material discussed in class, which is the most likely reason why ATP binding to a RTK is necessary for normal functioning of the RTK?