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NMR characterization of the full‐length recombinant murine prion protein, m PrP(23–231)

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Riek, Roland, Hornemann, Simone, Wider, Gerhard, Glockshuber, Rudi, Wüthrich, Kurt·1997·FEBS Letters

Abstract

The recombinant murine prion protein, m PrP(23–231), was expressed in E. coli with uniform 15 N‐labeling. NMR experiments showed that the previously determined globular three‐dimensional structure of the C‐terminal domain m PrP(121–231) is preserved in the intact protein, and that the N‐terminal polypeptide segment 23–120 is flexibly disordered. This structural information is based on nearly complete sequence‐specific assignments for the backbone amide nitrogens, amide protons and α‐protons of the polypeptide segment of residues 121–231 in m PrP(23–231). Coincidence of corresponding sequential and medium‐range nuclear Overhauser effects (NOE) showed that the helical secondary structures previously identified in m PrP(121–231) are also present in m PrP(23–231), and near‐identity of corresponding amide nitrogen and amide proton chemical shifts indicates that the three‐dimensional fold of m PrP(121–231) is also preserved in the intact protein. The linewidths in heteronuclear 1 H–15 N correlation spectra and 15 N{1 H}‐NOEs showed that the well structured residues 126–230 have correlation times of several nanoseconds, as is typical for small globular proteins, whereas correlation times shorter than 1 nanosecond were observed for all residues of m PrP(23–231) outside of this domain.

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Metadata

Authors
Riek, R., Hornemann, S., Wider, G., Glockshuber, R., & Wüthrich, K.
Venue
FEBS Letters
Publisher
Wiley
Published
1997-08-18
Volume
413
Issue
2
Pages
282-288
ISSN
  • 0014-5793 (ISSN-L)
  • 1873-3468
OpenAlex
W2109401365
Cited by
722
References
20
FWCI
15.30
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: NMR characterization of the full‐length recombinant murine prion protein, m PrP(23–231). https://app.cochat.ai/papers/10.1016/s0014-5793(97)00920-4
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Riek, R., Hornemann, S., Wider, G., Glockshuber, R., & Wüthrich, K. (1997). NMR characterization of the full‐length recombinant murine prion protein, m PrP(23–231). FEBS Letters. https://doi.org/10.1016/s0014-5793(97)00920-4

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