>d1prtb1 b.40.2.1 (B:90-199) Pertussis toxin S2/S3 subunits, C-terminal domain {Bordetella pertussis} ttrntgqpatdhyysnvtatrllsstnsrlcavfvrsgqpvigactspydgkywsmysrl rkmlyliyvagisvrvhvskeeqyydyedatfetyaltgisicnpgsslc