>tr|E9RIX3|E9RIX3_VIBCL Cholera toxin B subunit OS=Vibrio cholerae O139 GN=ctxB MIKLKFGVFFTVLLSSAYAHGTPQNITDLCAEYHNTQIYTLNDKIFSYTESLAGKREMAI ITFKNGAIFQVEVPGSQHIDSQKKAIERMKDTLRIAYLTEAKVEKLCVWNNKTPHAIAAI SMAN