>sp|P04978|TOX2_BORPE Pertussis toxin subunit 2 OS=Bordetella pertussis GN=ptxB MPIDRKTLCHLLSVLPLALLGSHVARASTPGIVIPPQEQITQHGGPYGRCANKTRALTVA ELRGSGDLQEYLRHVTRGWSIFALYDGTYLGGEYGGVIKDGTPGGAFDLKTTFCIMTTRN TGQPATDHYYSNVTATRLLSSTNSRLCAVFVRSGQPVIGACTSPYDGKYWSMYSRLRKML YLIYVAGISVRVHVSKEEQYYDYEDATFETYALTGISICNPGSSLC