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Unique structural properties associated with mouse prion ?105-125 protein.


ABSTRACT: Murine prion protein deleted for residues 105-125 is intrinsically neurotoxic and mediates a TSE-like phenotype in transgenic mice. Equivalent and overlapping deletions were expressed in E.coli, purified and analyzed. Among mutants spanning the region 95-135, a construct lacking solely residues 105-125 had distinct properties when compared with the full-length prion protein 23-231 or other deletions. This distinction was also apparent followed expression in eukaryotic cells. Unlike the full-length protein, all deletion mutants failed to bind to synthetic membranes in vitro. These data suggest a novel structure for the 105-125 deleted variant that may relate to its biological properties.

SUBMITTER: Patel A 

PROVIDER: S-EPMC3783109 | biostudies-literature | 2013 May-Jun

REPOSITORIES: biostudies-literature

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Unique structural properties associated with mouse prion Δ105-125 protein.

Patel Avnish A   Vasiljevic Snezana S   Jones Ian M IM  

Prion 20130501 3


Murine prion protein deleted for residues 105-125 is intrinsically neurotoxic and mediates a TSE-like phenotype in transgenic mice. Equivalent and overlapping deletions were expressed in E.coli, purified and analyzed. Among mutants spanning the region 95-135, a construct lacking solely residues 105-125 had distinct properties when compared with the full-length prion protein 23-231 or other deletions. This distinction was also apparent followed expression in eukaryotic cells. Unlike the full-leng  ...[more]

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