>5AYQ_1|Chains A, B|Sodium channel subunit beta-4|Mus musculus (10090) GSSGSSGSLEVSVGKATTIYAINGSSILLPCTFSSCYGFENLYFKWSYNNSETSRILIDGIVKNDKSDPKVRVKDDDRITLEGSTKEKTNNISILLSDLEFSDTGRYTCFVRNPKEKDLNNSATIFLQVVDKLEKVDN