Observation of intermediate states of the human prion protein by high pressure NMR spectroscopy
2006

Studying Human Prion Protein Under High Pressure

publication Evidence: moderate

Author Information

Author(s): Kachel Norman, Kremer Werner, Zahn Ralph, Kalbitzer Hans Robert

Primary Institution: Institut für Biophysik und Physikalische Biochemie, Universität Regensburg

Hypothesis

How does high pressure affect the structural states of the human prion protein?

Conclusion

The study identified pressure-stabilized folding intermediates of the human prion protein, suggesting that certain regions are critical for its conversion to an infectious form.

Supporting Evidence

  • High-pressure NMR spectroscopy revealed two structural states of the human prion protein.
  • Approximately 29% of the protein is in a pressure-favored conformation at atmospheric pressure.
  • The study suggests that certain regions of the protein are critical for its conversion to an infectious form.

Takeaway

Scientists used high pressure to see how the human prion protein changes shape, finding that some parts are more sensitive to pressure and could help in understanding prion diseases.

Methodology

The study used high pressure NMR spectroscopy to analyze the human prion protein at pressures up to 200 MPa.

Digital Object Identifier (DOI)

10.1186/1472-6807-6-16

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