| Domain | Name | Category | Type | 
	
		| IPR000048  | IQ motif, EF-hand binding site | Site | Binding site | 
	
		| IPR001696  | Voltage gated sodium channel, alpha subunit | Family | Family | 
	
		| IPR005821  | Ion transport domain | Domain | Domain | 
	
		| IPR008054  | Voltage gated sodium channel, alpha-8 subunit | Family | Family | 
	
		| IPR010526  | Sodium ion transport-associated | Domain | Domain | 
	
		| IPR024583  | Voltage-gated Na+ ion channel, cytoplasmic domain | Domain | Domain | 
	
		| IPR027359  | Voltage-dependent channel domain superfamily | Family | Homologous superfamily | 
	
		| IPR043203  | Voltage-gated cation channel calcium and sodium | Family | Family | 
	
		| IPR044564  | Voltage-gated sodium channel alpha subunit, inactivation gate | Domain | Domain |