... findings may indicate that CagD is released into the supernatant during host cell infec-tion by an unknown independent mechanism and thenbinds to the host cell surface or is incorporated in ... 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 ... pilusbiosynthesis protein D has been detected [32]. Yeasttwo-hybrid screens, as noted elsewhere, indicate thatCagG is involved in multiple protein–protein interac-tions with CagM, Cagd, CagF and CagZ and, ...