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- PDB-8otg: CTE typeI tau filament from Kii ALS/PDC -

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Basic information

Entry
Database: PDB / ID: 8otg
TitleCTE typeI tau filament from Kii ALS/PDC
ComponentsMicrotubule-associated protein tau
KeywordsPROTEIN FIBRIL / Tau filament / Kii ALS/PDC / CTE typeI
Function / homology
Function and homology information


plus-end-directed organelle transport along microtubule / histone-dependent DNA binding / negative regulation of establishment of protein localization to mitochondrion / positive regulation of protein localization to synapse / neurofibrillary tangle / microtubule lateral binding / axonal transport / main axon / phosphatidylinositol bisphosphate binding / tubulin complex ...plus-end-directed organelle transport along microtubule / histone-dependent DNA binding / negative regulation of establishment of protein localization to mitochondrion / positive regulation of protein localization to synapse / neurofibrillary tangle / microtubule lateral binding / axonal transport / main axon / phosphatidylinositol bisphosphate binding / tubulin complex / regulation of long-term synaptic depression / negative regulation of tubulin deacetylation / generation of neurons / regulation of chromosome organization / rRNA metabolic process / axonal transport of mitochondrion / regulation of mitochondrial fission / axon development / intracellular distribution of mitochondria / central nervous system neuron development / regulation of microtubule polymerization / microtubule polymerization / minor groove of adenine-thymine-rich DNA binding / lipoprotein particle binding / dynactin binding / negative regulation of mitochondrial membrane potential / glial cell projection / apolipoprotein binding / axolemma / protein polymerization / negative regulation of mitochondrial fission / Caspase-mediated cleavage of cytoskeletal proteins / regulation of microtubule polymerization or depolymerization / positive regulation of axon extension / neurofibrillary tangle assembly / regulation of microtubule cytoskeleton organization / regulation of cellular response to heat / cytoplasmic microtubule organization / Activation of AMPK downstream of NMDARs / synapse assembly / positive regulation of protein localization / axon cytoplasm / regulation of calcium-mediated signaling / supramolecular fiber organization / somatodendritic compartment / stress granule assembly / cellular response to brain-derived neurotrophic factor stimulus / positive regulation of microtubule polymerization / phosphatidylinositol binding / nuclear periphery / positive regulation of superoxide anion generation / protein phosphatase 2A binding / regulation of autophagy / cellular response to reactive oxygen species / astrocyte activation / Hsp90 protein binding / microglial cell activation / synapse organization / cellular response to nerve growth factor stimulus / response to lead ion / PKR-mediated signaling / protein homooligomerization / regulation of synaptic plasticity / SH3 domain binding / memory / microtubule cytoskeleton organization / cytoplasmic ribonucleoprotein granule / neuron projection development / microtubule cytoskeleton / cell-cell signaling / single-stranded DNA binding / actin binding / protein-folding chaperone binding / cell body / cellular response to heat / growth cone / double-stranded DNA binding / microtubule binding / protein-macromolecule adaptor activity / microtubule / sequence-specific DNA binding / dendritic spine / amyloid fibril formation / learning or memory / neuron projection / nuclear speck / membrane raft / axon / negative regulation of gene expression / neuronal cell body / dendrite / DNA damage response / protein kinase binding / enzyme binding / mitochondrion / DNA binding / RNA binding / extracellular region / identical protein binding / nucleus
Similarity search - Function
Microtubule-associated protein Tau / Microtubule associated protein, tubulin-binding repeat / 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
Microtubule-associated protein tau
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / helical reconstruction / cryo EM / Resolution: 2.1 Å
AuthorsQi, C. / Yang, S. / Scheres, S.H.W. / Goedert, M.
Funding support United Kingdom, 2items
OrganizationGrant numberCountry
Medical Research Council (MRC, United Kingdom)MC_UP_A025_1013 United Kingdom
Medical Research Council (MRC, United Kingdom)MC_U105184291 United Kingdom
CitationJournal: Proc Natl Acad Sci U S A / Year: 2023
Title: Tau filaments from amyotrophic lateral sclerosis/parkinsonism-dementia complex adopt the CTE fold.
Authors: Chao Qi / Bert M Verheijen / Yasumasa Kokubo / Yang Shi / Stephan Tetter / Alexey G Murzin / Asa Nakahara / Satoru Morimoto / Marc Vermulst / Ryogen Sasaki / Eleonora Aronica / Yoshifumi ...Authors: Chao Qi / Bert M Verheijen / Yasumasa Kokubo / Yang Shi / Stephan Tetter / Alexey G Murzin / Asa Nakahara / Satoru Morimoto / Marc Vermulst / Ryogen Sasaki / Eleonora Aronica / Yoshifumi Hirokawa / Kiyomitsu Oyanagi / Akiyoshi Kakita / Benjamin Ryskeldi-Falcon / Mari Yoshida / Masato Hasegawa / Sjors H W Scheres / Michel Goedert /
Abstract: The amyotrophic lateral sclerosis/parkinsonism-dementia complex (ALS/PDC) of the island of Guam and the Kii peninsula of Japan is a fatal neurodegenerative disease of unknown cause that is ...The amyotrophic lateral sclerosis/parkinsonism-dementia complex (ALS/PDC) of the island of Guam and the Kii peninsula of Japan is a fatal neurodegenerative disease of unknown cause that is characterized by the presence of abundant filamentous tau inclusions in brains and spinal cords. Here, we used electron cryo-microscopy to determine the structures of tau filaments from the cerebral cortex of three cases of ALS/PDC from Guam and eight cases from Kii, as well as from the spinal cord of two of the Guam cases. Tau filaments had the chronic traumatic encephalopathy (CTE) fold, with variable amounts of Type I and Type II filaments. Paired helical tau filaments were also found in three Kii cases and tau filaments with the corticobasal degeneration fold in one Kii case. We identified a new Type III CTE tau filament, where protofilaments pack against each other in an antiparallel fashion. ALS/PDC is the third known tauopathy with CTE-type filaments and abundant tau inclusions in cortical layers II/III, the others being CTE and subacute sclerosing panencephalitis. Because these tauopathies are believed to have environmental causes, our findings support the hypothesis that ALS/PDC is caused by exogenous factors.
History
DepositionApr 20, 2023Deposition site: PDBE / Processing site: PDBE
Revision 1.0Mar 27, 2024Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Microtubule-associated protein tau
B: Microtubule-associated protein tau
C: Microtubule-associated protein tau
D: Microtubule-associated protein tau
E: Microtubule-associated protein tau


Theoretical massNumber of molelcules
Total (without water)229,5995
Polymers229,5995
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

#1: Protein
Microtubule-associated protein tau / Neurofibrillary tangle protein / Paired helical filament-tau / PHF-tau


Mass: 45919.871 Da / Num. of mol.: 5 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P10636

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: FILAMENT / 3D reconstruction method: helical reconstruction

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Sample preparation

ComponentName: TypeI Tau filaments from Kii ALS/PDC / Type: COMPLEX / Entity ID: all / Source: NATURAL
Source (natural)Organism: Homo sapiens (human)
Buffer solutionpH: 7.4
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 2000 nm / Nominal defocus min: 1000 nm
Image recordingElectron dose: 40 e/Å2 / Film or detector model: GATAN K3 (6k x 4k)

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Processing

Image processingDetails: TypeI tau filament from Kii ALS/PDC
CTF correctionType: NONE
Helical symmertyAngular rotation/subunit: 179.39 ° / Axial rise/subunit: 2.39 Å / Axial symmetry: C1
3D reconstructionResolution: 2.1 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 181144 / Symmetry type: HELICAL

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