Protein
Pertussis toxin subunit 2
Organism
Bordetella pertussis (strain Tohama I / ATCC BAA-589 / NCTC 13251)
Function
PTX oligomer B binds to receptors on the eukaryotic cell surface and facilitates the translocation of the toxic subunit across the cell membrane.
Similarity
Belongs to the pertussis toxin S2/S3 subunits family.
Sequence
MPIDRKTLCHLLSVLPLALLGSHVARASTPGIVIPPQEQITQHGGPYGRCANKTRALTVAELRGSGDLQEYLRHVTRGWSIFALYDGTYLGGEYGGVIKDGTPGGAFDLKTTFCIMTTRNTGQPATDHYYSNVTATRLLSSTNSRLCAVFVRSGQPVIGACTSPYDGKYWSMYSRLRKMLYLIYVAGISVRVHVSKEEQYYDYEDATFETYALTGISICNPGSSLC