- EMDB-0527: Chronic traumatic encephalopathy Type I Tau filament -
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Basic information
Entry
Database: EMDB / ID: EMD-0527
Title
Chronic traumatic encephalopathy Type I Tau filament
Map data
Sample
Tissue: Tau filaments extracted from the temporal cortex of a patient with chronic traumatic encephalopathy
Protein or peptide: Microtubule-associated protein tau
Ligand: water
Keywords
Tau / chronic traumatic encephalopathy / filament / amyloid / PROTEIN FIBRIL
Function / homology
Function and homology information
plus-end-directed organelle transport along microtubule / histone-dependent DNA binding / neurofibrillary tangle assembly / positive regulation of diacylglycerol kinase activity / axonal transport / negative regulation of establishment of protein localization to mitochondrion / neurofibrillary tangle / positive regulation of protein localization to synapse / microtubule lateral binding / tubulin complex ...plus-end-directed organelle transport along microtubule / histone-dependent DNA binding / neurofibrillary tangle assembly / positive regulation of diacylglycerol kinase activity / axonal transport / negative regulation of establishment of protein localization to mitochondrion / neurofibrillary tangle / positive regulation of protein localization to synapse / microtubule lateral binding / tubulin complex / phosphatidylinositol bisphosphate binding / main axon / regulation of long-term synaptic depression / negative regulation of kinase activity / negative regulation of tubulin deacetylation / generation of neurons / positive regulation of protein localization / rRNA metabolic process / internal protein amino acid acetylation / regulation of chromosome organization / regulation of mitochondrial fission / axonal transport of mitochondrion / intracellular distribution of mitochondria / axon development / central nervous system neuron development / regulation of microtubule polymerization / microtubule polymerization / minor groove of adenine-thymine-rich DNA binding / lipoprotein particle binding / dynactin binding / glial cell projection / apolipoprotein binding / negative regulation of mitochondrial membrane potential / protein polymerization / axolemma / negative regulation of mitochondrial fission / Caspase-mediated cleavage of cytoskeletal proteins / regulation of microtubule polymerization or depolymerization / positive regulation of axon extension / regulation of microtubule cytoskeleton organization / Activation of AMPK downstream of NMDARs / supramolecular fiber organization / cytoplasmic microtubule organization / regulation of cellular response to heat / stress granule assembly / regulation of calcium-mediated signaling / axon cytoplasm / positive regulation of microtubule polymerization / somatodendritic compartment / synapse assembly / cellular response to brain-derived neurotrophic factor stimulus / phosphatidylinositol binding / nuclear periphery / cellular response to nerve growth factor stimulus / positive regulation of superoxide anion generation / protein phosphatase 2A binding / regulation of autophagy / astrocyte activation / response to lead ion / synapse organization / microglial cell activation / Hsp90 protein binding / regulation of synaptic plasticity / PKR-mediated signaling / protein homooligomerization / memory / microtubule cytoskeleton organization / SH3 domain binding / cellular response to reactive oxygen species / cytoplasmic ribonucleoprotein granule / activation of cysteine-type endopeptidase activity involved in apoptotic process / microtubule cytoskeleton / neuron projection development / cell-cell signaling / protein-macromolecule adaptor activity / actin binding / single-stranded DNA binding / protein-folding chaperone binding / cellular response to heat / cell body / growth cone / microtubule binding / double-stranded DNA binding / microtubule / amyloid fibril formation / sequence-specific DNA binding / dendritic spine / learning or memory / nuclear speck / neuron projection / membrane raft / axon / negative regulation of gene expression / neuronal cell body / dendrite / DNA damage response / protein kinase binding / enzyme binding / mitochondrion / DNA binding Similarity search - Function
: / Microtubule associated protein, tubulin-binding repeat / Microtubule-associated protein Tau / Tau and MAP protein, tubulin-binding repeat / Tau and MAP proteins tubulin-binding repeat signature. / Tau and MAP proteins tubulin-binding repeat profile. Similarity search - Domain/homology
Joint Programme- Neurodegeneration Research REfrAME
United Kingdom
Innovative Medicines Initiative
116060
United Kingdom
National Institutes of Health/National Institute on Aging (NIH/NIA)
P30AG010133
United States
National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS)
U01NS110437
United States
Citation
Journal: Nature / Year: 2019 Title: Novel tau filament fold in chronic traumatic encephalopathy encloses hydrophobic molecules. Authors: Benjamin Falcon / Jasenko Zivanov / Wenjuan Zhang / Alexey G Murzin / Holly J Garringer / Ruben Vidal / R Anthony Crowther / Kathy L Newell / Bernardino Ghetti / Michel Goedert / Sjors H W Scheres / Abstract: Chronic traumatic encephalopathy (CTE) is a neurodegenerative tauopathy that is associated with repetitive head impacts or exposure to blast waves. First described as punch-drunk syndrome and ...Chronic traumatic encephalopathy (CTE) is a neurodegenerative tauopathy that is associated with repetitive head impacts or exposure to blast waves. First described as punch-drunk syndrome and dementia pugilistica in retired boxers, CTE has since been identified in former participants of other contact sports, ex-military personnel and after physical abuse. No disease-modifying therapies currently exist, and diagnosis requires an autopsy. CTE is defined by an abundance of hyperphosphorylated tau protein in neurons, astrocytes and cell processes around blood vessels. This, together with the accumulation of tau inclusions in cortical layers II and III, distinguishes CTE from Alzheimer's disease and other tauopathies. However, the morphologies of tau filaments in CTE and the mechanisms by which brain trauma can lead to their formation are unknown. Here we determine the structures of tau filaments from the brains of three individuals with CTE at resolutions down to 2.3 Å, using cryo-electron microscopy. We show that filament structures are identical in the three cases but are distinct from those of Alzheimer's and Pick's diseases, and from those formed in vitro. Similar to Alzheimer's disease, all six brain tau isoforms assemble into filaments in CTE, and residues K274-R379 of three-repeat tau and S305-R379 of four-repeat tau form the ordered core of two identical C-shaped protofilaments. However, a different conformation of the β-helix region creates a hydrophobic cavity that is absent in tau filaments from the brains of patients with Alzheimer's disease. This cavity encloses an additional density that is not connected to tau, which suggests that the incorporation of cofactors may have a role in tau aggregation in CTE. Moreover, filaments in CTE have distinct protofilament interfaces to those of Alzheimer's disease. Our structures provide a unifying neuropathological criterion for CTE, and support the hypothesis that the formation and propagation of distinct conformers of assembled tau underlie different neurodegenerative diseases.
History
Deposition
Feb 7, 2019
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Header (metadata) release
Mar 27, 2019
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Map release
Mar 27, 2019
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Update
Jul 10, 2024
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Current status
Jul 10, 2024
Processing site: PDBe / Status: Released
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Structure visualization
Movie
Surface view with section colored by density value
EMPIAR-10313 (Title: Cryo-EM reconstructions of tau filaments in chronic traumatic encephalopathy Data size: 9.7 TB / Data #1: Raw Movies [micrographs - multiframe] / Data #2: Aligned Micrographs [micrographs - single frame])
Entire : Tau filaments extracted from the temporal cortex of a patient wit...
Entire
Name: Tau filaments extracted from the temporal cortex of a patient with chronic traumatic encephalopathy
Components
Tissue: Tau filaments extracted from the temporal cortex of a patient with chronic traumatic encephalopathy
Protein or peptide: Microtubule-associated protein tau
Ligand: water
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Supramolecule #1: Tau filaments extracted from the temporal cortex of a patient wit...
Supramolecule
Name: Tau filaments extracted from the temporal cortex of a patient with chronic traumatic encephalopathy type: tissue / ID: 1 / Parent: 0 / Macromolecule list: #1
Fourier-space refinement of the complete atomic model against the chronic traumatic encephalopathy Type I Tau filament map was performed in REFMAC. A stack of three consecutive monomers was refined to preserve nearest-neighbour interactions for the middle chain.
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