>5ELF_1|Chains A, B, C, D, E, F, G, H, I, J|Cholera enterotoxin subunit B|Vibrio cholerae serotype O1 (strain ATCC 39315 / El Tor Inaba N16961) (243277) TPQNITDLCAEYHNTQIYTLNDKIFSYTESLAGKREMAIITFKNGAIFQVEVPGSQHIDSQKKAIERMKDTLRIAYLTEAKVEKLCVWNNKTPHAIAAISMAN