Microtubules are regulated by microtubule-associated proteins. However, little is known about the structure of microtubule-associated proteins in complex with microtubules. Herein we show that the microtubule-associated protein Tau, which is intrinsi ...
Microtubules are regulated by microtubule-associated proteins. However, little is known about the structure of microtubule-associated proteins in complex with microtubules. Herein we show that the microtubule-associated protein Tau, which is intrinsically disordered in solution, locally folds into a stable structure upon binding to microtubules. While Tau is highly flexible in solution and adopts a β-sheet structure in amyloid fibrils, in complex with microtubules the conserved hexapeptides at the beginning of the Tau repeats two and three convert into a hairpin conformation. Thus, binding to microtubules stabilizes a unique conformation in Tau.
Organizational Affiliation:
Center for the Molecular Physiology of the Brain, University Medical Center, Göttingen (Germany).,Max Planck Institute for Biophysical Chemistry, Am Fassberg 11, 37077 Göttingen (Germany).,Deutsches Zentrum für Neurodegenerative Erkrankungen (DZNE) & CAESAR Research Center, Ludwig-Erhard-Allee 2, Bonn (Germany).,Deutsches Zentrum für Neurodegenerative Erkrankungen (DZNE), Göttingen (Germany). markus.zweckstetter@dzne.de.,Deutsches Zentrum für Neurodegenerative Erkrankungen (DZNE), Göttingen (Germany).,Max Planck Institute for Biophysical Chemistry, Am Fassberg 11, 37077 Göttingen (Germany). markus.zweckstetter@dzne.de.,Center for the Molecular Physiology of the Brain, University Medical Center, Göttingen (Germany). markus.zweckstetter@dzne.de.
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