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- EMDB-12549: Paired helical filament from primary age-related tauopathy brain -

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Basic information

Entry
Database: EMDB / ID: EMD-12549
TitlePaired helical filament from primary age-related tauopathy brainTauopathy
Map dataThe calibrated pixel size was used during post-processing procedures in RELION.
Sample
  • Tissue: Sarkosyl-insoluble fractions from primary age-related tauopathy brain
    • Protein or peptide: Microtubule-associated protein tauTau protein
Function / homology
Function and homology information


plus-end-directed organelle transport along microtubule / axonal transport / histone-dependent DNA binding / neurofibrillary tangle assembly / positive regulation of diacylglycerol kinase activity / 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 / axonal transport / histone-dependent DNA binding / neurofibrillary tangle assembly / positive regulation of diacylglycerol kinase activity / 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 / regulation of chromosome organization / positive regulation of protein localization / rRNA metabolic process / internal protein amino acid acetylation / regulation of mitochondrial fission / intracellular distribution of mitochondria / axonal transport of mitochondrion / 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 / negative regulation of mitochondrial membrane potential / apolipoprotein binding / protein polymerization / negative regulation of mitochondrial fission / axolemma / Caspase-mediated cleavage of cytoskeletal proteins / regulation of microtubule polymerization or depolymerization / positive regulation of axon extension / supramolecular fiber organization / Activation of AMPK downstream of NMDARs / regulation of microtubule cytoskeleton organization / cytoplasmic microtubule organization / stress granule assembly / regulation of cellular response to heat / axon cytoplasm / regulation of calcium-mediated signaling / positive regulation of microtubule polymerization / cellular response to brain-derived neurotrophic factor stimulus / somatodendritic compartment / synapse assembly / 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 / synapse organization / response to lead ion / microglial cell activation / regulation of synaptic plasticity / Hsp90 protein binding / PKR-mediated signaling / protein homooligomerization / cytoplasmic ribonucleoprotein granule / memory / microtubule cytoskeleton organization / cellular response to reactive oxygen species / SH3 domain binding / activation of cysteine-type endopeptidase activity involved in apoptotic process / neuron projection development / microtubule cytoskeleton / protein-macromolecule adaptor activity / single-stranded DNA binding / cell-cell signaling / cellular response to heat / cell body / actin binding / growth cone / protein-folding chaperone binding / double-stranded DNA binding / microtubule binding / microtubule / amyloid fibril formation / sequence-specific DNA binding / dendritic spine / 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
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
Microtubule-associated protein tau
Similarity search - Component
Biological speciesHomo sapiens (human) / Human (human)
Methodhelical reconstruction / cryo EM / Resolution: 2.76 Å
AuthorsShi Y / Murzin AG / Falcon B / Epstein A / Machin J / Tempest P / Newell KL / Vidal R / Garringer HJ / Sahara N ...Shi Y / Murzin AG / Falcon B / Epstein A / Machin J / Tempest P / Newell KL / Vidal R / Garringer HJ / Sahara N / Higuchi M / Ghetti B / Jang M / Scheres SHW / Goedert M
Funding support United Kingdom, European Union, United States, Japan, 6 items
OrganizationGrant numberCountry
Medical Research Council (MRC, United Kingdom)MC_UP_A025_1013 United Kingdom
Medical Research Council (MRC, United Kingdom)MC_U105184291 United Kingdom
Innovative Medicines Initiative116060European Union
National Institutes of Health/National Institute on Aging (NIH/NIA)P30-AG010133 United States
National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS)U01-NS110437 United States
Japan Agency for Medical Research and Development (AMED)JP20dm0207072 Japan
CitationJournal: Acta Neuropathol / Year: 2021
Title: Cryo-EM structures of tau filaments from Alzheimer's disease with PET ligand APN-1607.
Authors: Yang Shi / Alexey G Murzin / Benjamin Falcon / Alexander Epstein / Jonathan Machin / Paul Tempest / Kathy L Newell / Ruben Vidal / Holly J Garringer / Naruhiko Sahara / Makoto Higuchi / ...Authors: Yang Shi / Alexey G Murzin / Benjamin Falcon / Alexander Epstein / Jonathan Machin / Paul Tempest / Kathy L Newell / Ruben Vidal / Holly J Garringer / Naruhiko Sahara / Makoto Higuchi / Bernardino Ghetti / Ming-Kuei Jang / Sjors H W Scheres / Michel Goedert /
Abstract: Tau and Aβ assemblies of Alzheimer's disease (AD) can be visualized in living subjects using positron emission tomography (PET). Tau assemblies comprise paired helical and straight filaments (PHFs ...Tau and Aβ assemblies of Alzheimer's disease (AD) can be visualized in living subjects using positron emission tomography (PET). Tau assemblies comprise paired helical and straight filaments (PHFs and SFs). APN-1607 (PM-PBB3) is a recently described PET ligand for AD and other tau proteinopathies. Since it is not known where in the tau folds PET ligands bind, we used electron cryo-microscopy (cryo-EM) to determine the binding sites of APN-1607 in the Alzheimer fold. We identified two major sites in the β-helix of PHFs and SFs and a third major site in the C-shaped cavity of SFs. In addition, we report that tau filaments from posterior cortical atrophy (PCA) and primary age-related tauopathy (PART) are identical to those from AD. In support, fluorescence labelling showed binding of APN-1607 to intraneuronal inclusions in AD, PART and PCA. Knowledge of the binding modes of APN-1607 to tau filaments may lead to the development of new ligands with increased specificity and binding activity. We show that cryo-EM can be used to identify the binding sites of small molecules in amyloid filaments.
History
DepositionMar 4, 2021-
Header (metadata) releaseMar 24, 2021-
Map releaseMar 24, 2021-
UpdateApr 28, 2021-
Current statusApr 28, 2021Processing site: PDBe / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.0212
  • Imaged by UCSF Chimera
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  • Surface view colored by cylindrical radius
  • Surface level: 0.0212
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-7nrq
  • Surface level: 0.0212
  • Imaged by UCSF Chimera
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  • Simplified surface model + fitted atomic model
  • Atomic modelsPDB-7nrq
  • Imaged by Jmol
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_12549.png

Downloads & links

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Map

FileDownload / File: emd_12549.map.gz / Format: CCP4 / Size: 137.1 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationThe calibrated pixel size was used during post-processing procedures in RELION.
Voxel sizeX=Y=Z: 0.82 Å
Density
Contour LevelBy AUTHOR: 0.0212 / Movie #1: 0.0212
Minimum - Maximum-0.05333272 - 0.10641742
Average (Standard dev.)0.00043307256 (±0.005208062)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions330330330
Spacing330330330
CellA=B=C: 270.6 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z0.820.820.82
M x/y/z330330330
origin x/y/z0.0000.0000.000
length x/y/z270.600270.600270.600
α/β/γ90.00090.00090.000
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS330330330
D min/max/mean-0.0530.1060.000

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Supplemental data

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Mask #1

Fileemd_12549_msk_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #2

Fileemd_12549_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #1

Fileemd_12549_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 : Sarkosyl-insoluble fractions from primary age-related tauopathy brain

EntireName: Sarkosyl-insoluble fractions from primary age-related tauopathy brain
Components
  • Tissue: Sarkosyl-insoluble fractions from primary age-related tauopathy brain
    • Protein or peptide: Microtubule-associated protein tauTau protein

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Supramolecule #1: Sarkosyl-insoluble fractions from primary age-related tauopathy brain

SupramoleculeName: Sarkosyl-insoluble fractions from primary age-related tauopathy brain
type: tissue / 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 / Number of copies: 10 / Enantiomer: LEVO
Source (natural)Organism: Human (human)
Molecular weightTheoretical: 45.919871 KDa
SequenceString: MAEPRQEFEV MEDHAGTYGL GDRKDQGGYT MHQDQEGDTD AGLKESPLQT PTEDGSEEPG SETSDAKSTP TAEDVTAPLV DEGAPGKQA AAQPHTEIPE GTTAEEAGIG DTPSLEDEAA GHVTQARMVS KSKDGTGSDD KKAKGADGKT KIATPRGAAP P GQKGQANA ...String:
MAEPRQEFEV MEDHAGTYGL GDRKDQGGYT MHQDQEGDTD AGLKESPLQT PTEDGSEEPG SETSDAKSTP TAEDVTAPLV DEGAPGKQA AAQPHTEIPE GTTAEEAGIG DTPSLEDEAA GHVTQARMVS KSKDGTGSDD KKAKGADGKT KIATPRGAAP P GQKGQANA TRIPAKTPPA PKTPPSSGEP PKSGDRSGYS SPGSPGTPGS RSRTPSLPTP PTREPKKVAV VRTPPKSPSS AK SRLQTAP VPMPDLKNVK SKIGSTENLK HQPGGGKVQI INKKLDLSNV QSKCGSKDNI KHVPGGGSVQ IVYKPVDLSK VTS KCGSLG NIHHKPGGGQ VEVKSEKLDF KDRVQSKIGS LDNITHVPGG GNKKIETHKL TFRENAKAKT DHGAEIVYKS PVVS GDTSP RHLSNVSSTG SIDMVDSPQL ATLADEVSAS LAKQGL

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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: 7.5
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELDBright-field microscopy
Image recordingFilm or detector model: GATAN K2 SUMMIT (4k x 4k) / Detector mode: COUNTING / Average electron dose: 58.0 e/Å2
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Final angle assignmentType: NOT APPLICABLE
Final reconstructionApplied symmetry - Helical parameters - Δz: 2.37 Å
Applied symmetry - Helical parameters - Δ&Phi: 179.44 °
Applied symmetry - Helical parameters - Axial symmetry: C1 (asymmetric)
Resolution.type: BY AUTHOR / Resolution: 2.76 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 425943
FSC plot (resolution estimation)

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