>sp|Q8IWT1-2|SCN4B_HUMAN Sodium channel subunit beta-4 OS=Homo sapiens GN=SCN4B MNNISIVLRDLEFSDTGKYTCHVKNPKENNLQHHATIFLQVVDRLEEVDNTVTLIILAVV GGVIGLLILILLIKKLIIFILKKTREKKKECLVSSSGNDNTENGLPGSKAEEKPPSKV