Extended Data Fig. 4: Sodium ion coordination in the inward-facing state.
From: Antiviral drug recognition and elevator-type transport motions of CNT3
a, Location of the two sodium ion binding sites relative to the nucleoside binding site within the NHC bound IFS bCNT3 structure. b, Architecture and coordination geometries of the two sodium ion binding sites in the 2.31 Å cryo-EM map (map thresholds used denoted in panel insets).
