Extended Data Fig. 4: R4 side chain conformational changes.
From: Structural basis for gating pore current in periodic paralysis

a, Different conformations of the R4 rotamer in NavAb(R3G) chain A (green) and chain B (orange). b, Different conformations of the R4 rotamer in the four subunits of NavAb in the slow-inactivated state (PDB code: 4EKW).