Table 1. Conformational states of prokaryotic channel crystal structures
ParameterNavMsNavAbNavAbNavRhNavMs (pore)NavAe1 (pore)CavAb
Apparent stateopen/ activatedclosed/ preactivatedclosed/ inactivatedclosed/ inactivatedopen/-closed/-closed/ preactivated
VSactivatedpreactivatedpreactivatedpreactivatednonenonepreactivated
Pore gateopen closed closed closed open closed closed
SFopen - Na ionsopen - no ionscollapsedcollapsedopen - Na ionsopen - no Naopen - Ca ions
CTDvisible - interactionnot visiblenot visiblenot visiblenot visiblevisible - coiled-coilvisible - coiled-coil
Conducts Na+yesyesyesno yesno NA