Figure 3. Ensemble of IP3-bound conformations.
a, Structures of IP3 class 1, IP3 class 32, IP3 class 4, IP3 class 5 and IP3 class 2 colored by domain. The ARM2 domain of subunits marked with an * adopt a class 2-like conformation. b, Structures of IP3 class 1, IP3 class 3, IP3 class 4, IP3 class 5 and IP3 class 2. Domains adopting class 1-like domains are colored orange and domains adopting class 2-like conformations are colored cyan.