>d1ptok_ b.40.2.1 (K:) Pertussis toxin S4 subunit {Bordetella pertussis} dvpyvlvktnmvvtsvamkpyevtptrmlvcgiaaklgaaasspdahvpfcfgkdlkrpg sspmevmlravfmqqrplrmflgpkqltfegkpalelirmvecsgkqdcp