Table 1.
Conformational states of prokaryotic channel crystal structures
ParameterNavMsNavAbNavAbNavRhNavMs (pore)NavAe1 (pore)CavAb
Apparent state open/ activated closed/ preactivated closed/ inactivated closed/ inactivated open/- closed/- closed/ preactivated 
VS activated preactivated preactivated preactivated none none preactivated 
Pore gate open  closed  closed  closed  open  closed  closed  
SF open - Na ions open - no ions collapsed collapsed open - Na ions open - no Na open - Ca ions 
CTD visible - interaction not visible not visible not visible not visible visible - coiled-coil visible - coiled-coil 
Conducts Na+ yes yes yes no  yes no   NA 
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