Sodium voltage-gated channel alpha subunit 3 MAQALLVPPG PESFRLFTRE SLAAIEKRAA EEKAKKPKKE QDNDDENKPK PNSDLEAGKN LPFIYGDIPP EMVSEPLEDL DPYYINKKTF IVMNKGKAIF RFSATSALYI LTPLNPVRKI AIKILVHSLF SMLIMCTILT NCVFMTLSNP PDWTKNVEYT FTGIYTFESL IKILARGFCL EDFTFLRDPW NWLDFSVIVM