2022
DOI: 10.1111/febs.16339
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Abstract: The third PDZ domain of the postsynaptic density protein 95 (PSD95‐PDZ3; 11 kDa, 103 residues) has a propensity to form amyloid fibrils at high temperatures. At neutral pH, PDZ3 is natively folded, but it exhibits a peculiar three‐state thermal unfolding with a reversible oligomerization (RO) equilibrium at high temperatures, which is uncharacteristic in the unfolding of a small globular protein as PDZ3 is. Here, we examined the RO's role in PDZ3's amyloidogenesis at high‐temperature using two variants (F340A … Show more

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