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. 2001 Feb 27;98(6):2985–2989. doi: 10.1073/pnas.061555898

Figure 5.

Figure 5

Role of electrostatic interactions involving Asp-178 in inhibiting conformational changes of PrPC via interactions with Tyr-128 at neutral pH. Loss of this interaction contributes to changes in the region of the sheet leading to addition of another strand to the β-sheet.