... moleculeinvolving a-helix A, the nearby loop, the first and lastturns of helices E and F, and the C-terminus helices I and J. In addition, there is a lysine-rich N- and C-ter-minus, in accordance ... pylori strains harbouring a func-tional cagPAI, is the activation of nuclear transcriptionfactor-jB and the induction of pro -in ammatory pro-duction of cytokines, mainly interleukin (IL)-8 ... protein or toxin co-regulated pilus biosynthesis protein D has been detected [32]. Yeasttwo-hybrid screens, as noted elsewhere, indicate thatCagG is involved in multiple protein–protein interac-tions...