>sp|P0A3R5|TOX4_BORPE Pertussis toxin subunit 4 OS=Bordetella pertussis GN=ptxD MLRRFPTRTTAPGQGGARRSRVRALAWLLASGAMTHLSPALADVPYVLVKTNMVVTSVAM KPYEVTPTRMLVCGIAAKLGAAASSPDAHVPFCFGKDLKRPGSSPMEVMLRAVFMQQRPL RMFLGPKQLTFEGKPALELIRMVECSGKQDCP