Protein
Pertussis toxin subunit 5
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.
Sequence
MQRQAGLPLKANPMHTIASILLSVLGIYSPADVAGLPTHLYKNFTVQELALKLKGKNQEFCLTAFMSGRSLVRACLSDAGHEHDTWFDTMLGFAISAYALKSRIALTVEDSPYPGTPGDLLELQICPLNGYCE