>tr|F8S870|F8S870_VIBCL Cholera toxin B subunit OS=Vibrio cholerae O1 GN=ctxB MIKLKFGVFFTVLLSSAYAHGTPQNITDLCAEYHNTQIYTLNDKIFSYTESLAGKREMAI ITFKNGAIFQVEVPGSQHIDSQKKAIERMKDTLRIAYLTEAKVEKLCVWNNKTPHAIAAI SMAN