Figure 4

The allosteric effect shown in the open-to-closed transition of PAC1R, which is likely involved in PACAP-induced activation. TM2 is hidden for clarity. The ECD-PACAP structure (PDB ID: 2JOD, purple) is overlapped with a closed-state model.
The allosteric effect shown in the open-to-closed transition of PAC1R, which is likely involved in PACAP-induced activation. TM2 is hidden for clarity. The ECD-PACAP structure (PDB ID: 2JOD, purple) is overlapped with a closed-state model.