Figure 1.
The first allosteric modulators with clinical success were benzodiazepines (BZDs), GABAA PAMs. The generic BZD core 1 and important medications 2 (Valium) and the tricylic analog 3 (Xanax) are shown. Also shown are structures of the two marketed GPCR allosteric modulators: cinacalcet (4), a calcium sensing receptor PAM, and maraviroc (5), a CCR5 NAM.