>6HJD_1|Chains A, B, C, D, E, F, G, H, I, J|Cholera toxin B subunit|Vibrio cholerae (666) TPQNITDLCAEYHNTQIHTLNDKIFSYTESLAGKREMAIITFKNGATFQVEVPGSQHIDSQKKAIERMKDTLRIAYLTEAKVEKLCVWNNKTPHAIAAISMAN