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- EMDB-26268: High-resolution map of tau filament from progressive supranuclear... -

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Basic information

Entry
Database: EMDB / ID: EMD-26268
TitleHigh-resolution map of tau filament from progressive supranuclear palsy (PSP) case 1
Map dataHigh-resolution map of tau filament from progressive supranuclear palsy (PSP) case 1.
Sample
  • Complex: TMEM106B(120-254) singlet amyloid fibril from dementia with Lewy bodies (DLB)
    • Protein or peptide: Isoform Tau-E of Microtubule-associated protein tau
KeywordsTau protein / Amyloid fibril / PROTEIN FIBRIL
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 / neurofibrillary tangle / microtubule lateral binding / axonal transport / tubulin complex / positive regulation of protein localization to synapse / negative regulation of tubulin deacetylation / phosphatidylinositol bisphosphate binding ...plus-end-directed organelle transport along microtubule / histone-dependent DNA binding / negative regulation of establishment of protein localization to mitochondrion / neurofibrillary tangle / microtubule lateral binding / axonal transport / tubulin complex / positive regulation of protein localization to synapse / negative regulation of tubulin deacetylation / phosphatidylinositol bisphosphate binding / generation of neurons / rRNA metabolic process / axonal transport of mitochondrion / regulation of mitochondrial fission / axon development / regulation of chromosome organization / central nervous system neuron development / intracellular distribution of mitochondria / minor groove of adenine-thymine-rich DNA binding / lipoprotein particle binding / microtubule polymerization / negative regulation of mitochondrial membrane potential / dynactin binding / regulation of microtubule polymerization / apolipoprotein binding / main axon / protein polymerization / axolemma / glial cell projection / Caspase-mediated cleavage of cytoskeletal proteins / regulation of microtubule polymerization or depolymerization / negative regulation of mitochondrial fission / neurofibrillary tangle assembly / positive regulation of axon extension / regulation of cellular response to heat / Activation of AMPK downstream of NMDARs / synapse assembly / positive regulation of superoxide anion generation / regulation of long-term synaptic depression / positive regulation of protein localization / cellular response to brain-derived neurotrophic factor stimulus / supramolecular fiber organization / cytoplasmic microtubule organization / regulation of calcium-mediated signaling / positive regulation of microtubule polymerization / somatodendritic compartment / axon cytoplasm / astrocyte activation / stress granule assembly / phosphatidylinositol binding / nuclear periphery / regulation of microtubule cytoskeleton organization / protein phosphatase 2A binding / cellular response to reactive oxygen species / Hsp90 protein binding / microglial cell activation / cellular response to nerve growth factor stimulus / protein homooligomerization / synapse organization / regulation of synaptic plasticity / PKR-mediated signaling / response to lead ion / SH3 domain binding / microtubule cytoskeleton organization / memory / cytoplasmic ribonucleoprotein granule / neuron projection development / cell-cell signaling / single-stranded DNA binding / protein-folding chaperone binding / cellular response to heat / microtubule cytoskeleton / cell body / growth cone / actin binding / double-stranded DNA binding / protein-macromolecule adaptor activity / microtubule binding / dendritic spine / sequence-specific DNA binding / amyloid fibril formation / microtubule / learning or memory / neuron projection / regulation of autophagy / membrane raft / negative regulation of gene expression / axon / neuronal cell body / DNA damage response / dendrite / protein kinase binding / enzyme binding / mitochondrion / DNA binding / RNA binding / extracellular region / identical protein binding / nucleus / plasma membrane
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)
Methodhelical reconstruction / cryo EM / Resolution: 4.2 Å
AuthorsFItzpatrick AWP / Stowell MHB
Funding support United States, 1 items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS)UO1NS110438 United States
CitationJournal: Cell / Year: 2022
Title: Homotypic fibrillization of TMEM106B across diverse neurodegenerative diseases.
Authors: Andrew Chang / Xinyu Xiang / Jing Wang / Carolyn Lee / Tamta Arakhamia / Marija Simjanoska / Chi Wang / Yari Carlomagno / Guoan Zhang / Shikhar Dhingra / Manon Thierry / Jolien Perneel / ...Authors: Andrew Chang / Xinyu Xiang / Jing Wang / Carolyn Lee / Tamta Arakhamia / Marija Simjanoska / Chi Wang / Yari Carlomagno / Guoan Zhang / Shikhar Dhingra / Manon Thierry / Jolien Perneel / Bavo Heeman / Lauren M Forgrave / Michael DeTure / Mari L DeMarco / Casey N Cook / Rosa Rademakers / Dennis W Dickson / Leonard Petrucelli / Michael H B Stowell / Ian R A Mackenzie / Anthony W P Fitzpatrick /
Abstract: Misfolding and aggregation of disease-specific proteins, resulting in the formation of filamentous cellular inclusions, is a hallmark of neurodegenerative disease with characteristic filament ...Misfolding and aggregation of disease-specific proteins, resulting in the formation of filamentous cellular inclusions, is a hallmark of neurodegenerative disease with characteristic filament structures, or conformers, defining each proteinopathy. Here we show that a previously unsolved amyloid fibril composed of a 135 amino acid C-terminal fragment of TMEM106B is a common finding in distinct human neurodegenerative diseases, including cases characterized by abnormal aggregation of TDP-43, tau, or α-synuclein protein. A combination of cryoelectron microscopy and mass spectrometry was used to solve the structures of TMEM106B fibrils at a resolution of 2.7 Å from postmortem human brain tissue afflicted with frontotemporal lobar degeneration with TDP-43 pathology (FTLD-TDP, n = 8), progressive supranuclear palsy (PSP, n = 2), or dementia with Lewy bodies (DLB, n = 1). The commonality of abundant amyloid fibrils composed of TMEM106B, a lysosomal/endosomal protein, to a broad range of debilitating human disorders indicates a shared fibrillization pathway that may initiate or accelerate neurodegeneration.
History
DepositionFeb 19, 2022-
Header (metadata) releaseMar 23, 2022-
Map releaseMar 23, 2022-
UpdateMay 28, 2025-
Current statusMay 28, 2025Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_26268.png

Downloads & links

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Map

FileDownload / File: emd_26268.map.gz / Format: CCP4 / Size: 149.9 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationHigh-resolution map of tau filament from progressive supranuclear palsy (PSP) case 1.
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.15 Å/pix.
x 340 pix.
= 390.252 Å		1.15 Å/pix.
x 340 pix.
= 390.252 Å		1.15 Å/pix.
x 340 pix.
= 390.252 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.1478 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.012
Minimum - Maximum-0.02052197 - 0.039014883
Average (Standard dev.)0.00025417065 (±0.001995219)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions340340340
Spacing340340340
CellA=B=C: 390.25198 Å
α=β=γ: 90.0 °

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Supplemental data

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Sample components

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Entire : TMEM106B(120-254) singlet amyloid fibril from dementia with Lewy ...

EntireName: TMEM106B(120-254) singlet amyloid fibril from dementia with Lewy bodies (DLB)
Components
  • Complex: TMEM106B(120-254) singlet amyloid fibril from dementia with Lewy bodies (DLB)
    • Protein or peptide: Isoform Tau-E of Microtubule-associated protein tau

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Supramolecule #1: TMEM106B(120-254) singlet amyloid fibril from dementia with Lewy ...

SupramoleculeName: TMEM106B(120-254) singlet amyloid fibril from dementia with Lewy bodies (DLB)
type: complex / ID: 1 / Parent: 0 / Macromolecule list: all
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Isoform Tau-E of Microtubule-associated protein tau

MacromoleculeName: Isoform Tau-E of Microtubule-associated protein tau / type: protein_or_peptide / ID: 1 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 11.836581 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString:
GGKVQIINKK LDLSNVQSKC GSKDNIKHVP GGGSVQIVYK PVDLSKVTSK CGSLGNIHHK PGGGQVEVKS EKLDFKDRVQ SKIGSLDNI THVPGGGNKK IETHKLTFRE N

UniProtKB: Microtubule-associated protein tau

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Experimental details

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Structure determination

Methodcryo EM
Processinghelical reconstruction
Aggregation statefilament

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Sample preparation

BufferpH: 7.4
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average electron dose: 60.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.8000000000000003 µm / Nominal defocus min: 1.4000000000000001 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Final reconstructionApplied symmetry - Helical parameters - Δz: 4.78 Å
Applied symmetry - Helical parameters - Δ&Phi: -0.86 °
Applied symmetry - Helical parameters - Axial symmetry: C1 (asymmetric)
Resolution.type: BY AUTHOR / Resolution: 4.2 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 38000
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Startup modelType of model: NONE
Final angle assignmentType: NOT APPLICABLE

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