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The NMR structure of the recombinant human doppel protein, hDpl(24-152), contains a flexibly disordered "tail" comprising residues 24-51, and a globular domain extending from residues 52 to 149 for which a detailed structure was obtained. The globular domain contains four alpha-helices comprising residues 72-80 (alpha1), 101-115 (alpha2(a)), 117-121(More)
Prions are believed to be infectious, self-propagating polymers of otherwise soluble, host-encoded proteins. This concept is now strongly supported by the recent findings that amyloid fibrils of recombinant prion proteins from yeast, Podospora anserina and mammals can induce prion phenotypes in the corresponding hosts. However, the structural basis of prion(More)
Compared with that of other human pathogens, the proposed replicative cycle of prions is disarmingly simple. It encompasses misfolding of a single protein, the cellular prion protein (PrPC), into a disease-associated form called PrPSc. This is followed by PrPSc aggregation and possibly fragmentation of aggregates, which may augment the number of replicative(More)
Kaposi sarcoma-associated herpesvirus (KSHV) establishes a lifelong latent infection and causes several malignancies in humans. Murine herpesvirus 68 (MHV-68) is a related γ2-herpesvirus frequently used as a model to study the biology of γ-herpesviruses in vivo. The KSHV latency-associated nuclear antigen (kLANA) and the MHV68 mLANA (orf73) protein are(More)
C ompared with that of other human pathogens, the proposed replicative cycle of pri-ons is disarmingly simple. It encompasses misfolding of a single protein, the cellular prion protein (PrP C), into a disease-associated form called PrP Sc. This is followed by PrP Sc aggregation and possibly fragmentation of aggregates, which may augment the number of(More)
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