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Structure and Functions of Microtubule Associated Proteins Tau and MAP2c: Similarities and Differences
K. Melková, V. Zapletal, S. Narasimhan, S. Jansen, J. Hritz, R. Škrabana, M. Zweckstetter, M. Ringkjøbing Jensen, M. Blackledge, L. Žídek,
Language English Country Switzerland
Document type Journal Article, Research Support, Non-U.S. Gov't, Review
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PubMed
30884818
DOI
10.3390/biom9030105
Knihovny.cz E-resources
- MeSH
- Humans MeSH
- Microtubules chemistry metabolism MeSH
- Microtubule-Associated Proteins chemistry metabolism MeSH
- tau Proteins chemistry metabolism MeSH
- Animals MeSH
- Check Tag
- Humans MeSH
- Animals MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
- Review MeSH
The stability and dynamics of cytoskeleton in brain nerve cells are regulated by microtubule associated proteins (MAPs), tau and MAP2. Both proteins are intrinsically disordered and involved in multiple molecular interactions important for normal physiology and pathology of chronic neurodegenerative diseases. Nuclear magnetic resonance and cryo-electron microscopy recently revealed propensities of MAPs to form transient local structures and long-range contacts in the free state, and conformations adopted in complexes with microtubules and filamentous actin, as well as in pathological aggregates. In this paper, we compare the longest, 441-residue brain isoform of tau (tau40), and a 467-residue isoform of MAP2, known as MAP2c. For both molecules, we present transient structural motifs revealed by conformational analysis of experimental data obtained for free soluble forms of the proteins. We show that many of the short sequence motifs that exhibit transient structural features are linked to functional properties, manifested by specific interactions. The transient structural motifs can be therefore classified as molecular recognition elements of tau40 and MAP2c. Their interactions are further regulated by post-translational modifications, in particular phosphorylation. The structure-function analysis also explains differences between biological activities of tau40 and MAP2c.
References provided by Crossref.org
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- $a Melková, Kateřina $u Central European Institute of Technology, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic. katerina.melkova@ceitec.muni.cz. Faculty of Science, National Centre for Biomolecular Research, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic. katerina.melkova@ceitec.muni.cz.
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- $a Structure and Functions of Microtubule Associated Proteins Tau and MAP2c: Similarities and Differences / $c K. Melková, V. Zapletal, S. Narasimhan, S. Jansen, J. Hritz, R. Škrabana, M. Zweckstetter, M. Ringkjøbing Jensen, M. Blackledge, L. Žídek,
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- $a The stability and dynamics of cytoskeleton in brain nerve cells are regulated by microtubule associated proteins (MAPs), tau and MAP2. Both proteins are intrinsically disordered and involved in multiple molecular interactions important for normal physiology and pathology of chronic neurodegenerative diseases. Nuclear magnetic resonance and cryo-electron microscopy recently revealed propensities of MAPs to form transient local structures and long-range contacts in the free state, and conformations adopted in complexes with microtubules and filamentous actin, as well as in pathological aggregates. In this paper, we compare the longest, 441-residue brain isoform of tau (tau40), and a 467-residue isoform of MAP2, known as MAP2c. For both molecules, we present transient structural motifs revealed by conformational analysis of experimental data obtained for free soluble forms of the proteins. We show that many of the short sequence motifs that exhibit transient structural features are linked to functional properties, manifested by specific interactions. The transient structural motifs can be therefore classified as molecular recognition elements of tau40 and MAP2c. Their interactions are further regulated by post-translational modifications, in particular phosphorylation. The structure-function analysis also explains differences between biological activities of tau40 and MAP2c.
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- $a Zapletal, Vojtěch $u Central European Institute of Technology, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic. vojtech.zapletal@ceitec.muni.cz. Faculty of Science, National Centre for Biomolecular Research, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic. vojtech.zapletal@ceitec.muni.cz.
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- $a Jansen, Séverine $u Central European Institute of Technology, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic. severine@chemi.muni.cz.
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- $a Škrabana, Rostislav $u Institute of Neuroimmunology, Slovak Academy of Sciences, Dúbravská cesta 9, 845 10 Bratislava, Slovakia. rostislav.skrabana@savba.sk. Axon Neuroscience R&D Services SE, Dvořákovo nábrežie 10, 811 02 Bratislava, Slovakia. rostislav.skrabana@savba.sk.
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- $a Zweckstetter, Markus $u German Center for Neurodegenerative Diseases (DZNE), Von-Siebold-Str. 3a, 37075 Göttingen, Germany. Markus.Zweckstetter@dzne.de. Department of NMR-Based Structural Biology, Max Planck Institute for Biophysical Chemistry, Am Fassberg 11, 37077 Göttingen, Germany. Markus.Zweckstetter@dzne.de.
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- $a Žídek, Lukáš $u Central European Institute of Technology, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic. lzidek@chemi.muni.cz. Faculty of Science, National Centre for Biomolecular Research, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic. lzidek@chemi.muni.cz.
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