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- EMDB-71636: Cryo-EM structure of brain-derived Tau fibril from Alzheimers dis... -

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Basic information

Entry
Database: EMDB / ID: EMD-71636
TitleCryo-EM structure of brain-derived Tau fibril from Alzheimers disease patient tissue
Map data
Sample
  • Complex: Tau fibril complex extracted from the brain of a patient suffering from Alzheimer's
    • Protein or peptide: Microtubule-associated protein tau
KeywordsTau / Neurodegeneration / fibril / patient derived / Alzheimer's Disease / Helical Reconstruction / amyloid structural protein / PROTEIN FIBRIL
Function / homology
Function and homology information


plus-end-directed organelle transport along microtubule / histone-dependent DNA binding / negative regulation of protein localization to mitochondrion / neurofibrillary tangle / microtubule lateral binding / axonal transport / tubulin complex / positive regulation of protein localization to synapse / phosphatidylinositol bisphosphate binding / generation of neurons ...plus-end-directed organelle transport along microtubule / histone-dependent DNA binding / negative regulation of protein localization to mitochondrion / neurofibrillary tangle / microtubule lateral binding / axonal transport / tubulin complex / positive regulation of protein localization to synapse / phosphatidylinositol bisphosphate binding / generation of neurons / rRNA metabolic process / axonal transport of mitochondrion / regulation of mitochondrial fission / axon development / regulation of microtubule-based movement / regulation of chromosome organization / intracellular distribution of mitochondria / central nervous system neuron development / minor groove of adenine-thymine-rich DNA binding / lipoprotein particle binding / microtubule polymerization / negative regulation of mitochondrial membrane potential / regulation of microtubule polymerization / dynactin binding / apolipoprotein binding / main axon / protein polymerization / axolemma / Caspase-mediated cleavage of cytoskeletal proteins / regulation of microtubule polymerization or depolymerization / negative regulation of mitochondrial fission / glial cell projection / neurofibrillary tangle assembly / positive regulation of axon extension / positive regulation of microtubule polymerization / regulation of cellular response to heat / Activation of AMPK downstream of NMDARs / positive regulation of protein localization / positive regulation of superoxide anion generation / cellular response to brain-derived neurotrophic factor stimulus / supramolecular fiber organization / regulation of long-term synaptic depression / cytoplasmic microtubule organization / regulation of calcium-mediated signaling / somatodendritic compartment / axon cytoplasm / synapse assembly / astrocyte activation / phosphatidylinositol binding / nuclear periphery / enzyme inhibitor activity / protein phosphatase 2A binding / stress granule assembly / regulation of microtubule cytoskeleton organization / regulation of autophagy / cellular response to reactive oxygen species / microglial cell activation / cellular response to nerve growth factor stimulus / Hsp90 protein binding / protein homooligomerization / PKR-mediated signaling / SH3 domain binding / regulation of synaptic plasticity / synapse organization / response to lead ion / microtubule cytoskeleton organization / memory / cytoplasmic ribonucleoprotein granule / neuron projection development / cell-cell signaling / single-stranded DNA binding / cellular response to heat / growth cone / protein-folding chaperone binding / microtubule cytoskeleton / actin binding / cell body / double-stranded DNA binding / microtubule binding / sequence-specific DNA binding / amyloid fibril formation / dendritic spine / microtubule / protein-macromolecule adaptor activity / learning or memory / neuron projection / 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
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: 2.29 Å
AuthorsPierson JA / Sanchez JC / Kraemer BC / Wright ER / Latimer SC
Funding support United States, 3 items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS)RF1NS110436 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)T32GM135066 United States
National Institutes of Health/National Institute on Aging (NIH/NIA)R01AG084680 United States
CitationJournal: To Be Published
Title: Cryo-EM structure of brain-derived Tau fibril from Alzheimers disease patient tissue
Authors: Pierson JA / Sanchez JC / Kraemer BC / Wright ER / Latimer CS
History
DepositionJul 8, 2025-
Header (metadata) releaseAug 27, 2025-
Map releaseAug 27, 2025-
UpdateAug 27, 2025-
Current statusAug 27, 2025Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_71636.png

Downloads & links

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Map

FileDownload / File: emd_71636.map.gz / Format: CCP4 / Size: 178 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.83 Å/pix.
x 360 pix.
= 300.24 Å		0.83 Å/pix.
x 360 pix.
= 300.24 Å		0.83 Å/pix.
x 360 pix.
= 300.24 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.834 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.009
Minimum - Maximum-0.017559266 - 0.04702308
Average (Standard dev.)0.000318428 (±0.0019829113)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions360360360
Spacing360360360
CellA=B=C: 300.24 Å
α=β=γ: 90.0 °

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Supplemental data

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Mask #1

Fileemd_71636_msk_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #1

Fileemd_71636_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #2

Fileemd_71636_half_map_2.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : Tau fibril complex extracted from the brain of a patient sufferin...

EntireName: Tau fibril complex extracted from the brain of a patient suffering from Alzheimer's
Components
  • Complex: Tau fibril complex extracted from the brain of a patient suffering from Alzheimer's
    • Protein or peptide: Microtubule-associated protein tau

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Supramolecule #1: Tau fibril complex extracted from the brain of a patient sufferin...

SupramoleculeName: Tau fibril complex extracted from the brain of a patient suffering from Alzheimer's
type: complex / ID: 1 / Parent: 0 / Macromolecule list: all
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Microtubule-associated protein tau

MacromoleculeName: Microtubule-associated protein tau / type: protein_or_peptide / ID: 1 / Details: Tau fibrils extracted from patient derived tissue. / Number of copies: 12 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 79.041617 KDa
SequenceString: MAEPRQEFEV MEDHAGTYGL GDRKDQGGYT MHQDQEGDTD AGLKESPLQT PTEDGSEEPG SETSDAKSTP TAEDVTAPLV DEGAPGKQA AAQPHTEIPE GTTAEEAGIG DTPSLEDEAA GHVTQEPESG KVVQEGFLRE PGPPGLSHQL MSGMPGAPLL P EGPREATR ...String:
MAEPRQEFEV MEDHAGTYGL GDRKDQGGYT MHQDQEGDTD AGLKESPLQT PTEDGSEEPG SETSDAKSTP TAEDVTAPLV DEGAPGKQA AAQPHTEIPE GTTAEEAGIG DTPSLEDEAA GHVTQEPESG KVVQEGFLRE PGPPGLSHQL MSGMPGAPLL P EGPREATR QPSGTGPEDT EGGRHAPELL KHQLLGDLHQ EGPPLKGAGG KERPGSKEEV DEDRDVDESS PQDSPPSKAS PA QDGRPPQ TAAREATSIP GFPAEGAIPL PVDFLSKVST EIPASEPDGP SVGRAKGQDA PLEFTFHVEI TPNVQKEQAH SEE HLGRAA FPGAPGEGPE ARGPSLGEDT KEADLPEPSE KQPAAAPRGK PVSRVPQLKA RMVSKSKDGT GSDDKKAKTS TRSS AKTLK NRPCLSPKHP TPGSSDPLIQ PSSPAVCPEP PSSPKYVSSV TSRTGSSGAK EMKLKGADGK TKIATPRGAA PPGQK GQAN ATRIPAKTPP APKTPPSSGE PPKSGDRSGY SSPGSPGTPG SRSRTPSLPT PPTREPKKVA VVRTPPKSPS SAKSRL QTA PVPMPDLKNV KSKIGSTENL KHQPGGGKVQ IINKKLDLSN VQSKCGSKDN IKHVPGGGSV QIVYKPVDLS KVTSKCG SL GNIHHKPGGG QVEVKSEKLD FKDRVQSKIG SLDNITHVPG GGNKKIETHK LTFRENAKAK TDHGAEIVYK SPVVSGDT S PRHLSNVSST GSIDMVDSPQ LATLADEVSA SLAKQGL

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

MicroscopeTFS KRIOS
Image recordingFilm or detector model: GATAN K3 BIOCONTINUUM (6k x 4k) / Average electron dose: 55.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsC2 aperture diameter: 70.0 µm / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.5 µm / Nominal defocus min: 0.75 µm / Nominal magnification: 105000
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Final reconstructionApplied symmetry - Helical parameters - Δz: 2.41 Å
Applied symmetry - Helical parameters - Δ&Phi: 179.43 °
Applied symmetry - Helical parameters - Axial symmetry: C1 (asymmetric)
Resolution.type: BY AUTHOR / Resolution: 2.29 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION / Number images used: 111362
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Startup modelType of model: OTHER / Details: relion_helix_inimodel2d command
Final angle assignmentType: NOT APPLICABLE
FSC plot (resolution estimation)

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