... 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 ... anti-parallel to thesame strand of a second monomer, allowing for theformation of the dimer. The surface of interactionbetween monomers also involves portion of chains D and E of the two monomers,...