SCN1B GI:4506805 sodium channel, voltage-gated, type I, beta isoform a 1 mgrllalvvg aalvssacgg cvevdsetea vygmtfkilc isckrrsetn 50 51 aetftewtfr qkgteefvki lryenevlql eederfegrv vwngsrgtkd 100 101 lqdlsifitn vtynhsgdye chvyrllffe nyehntsvvk kihievvdka 150 151 nrdmasivse immyvlivvl tiwlvaemiy cykkiaaate taaqenasey 200 201 laitsesken ctgvqvae