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- PDB-9czl: Straight tau filaments in dominantly inherited Alzheimer disease ... -
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Basic information
Entry | Database: PDB / ID: 9czl | |||||||||
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Title | Straight tau filaments in dominantly inherited Alzheimer disease with cotton wool plaques | |||||||||
![]() | Isoform Tau-C of Microtubule-associated protein tau | |||||||||
![]() | NEUROPEPTIDE / Tau filaments / SF / cotton wool plaques / neurodegeneration / PROTEIN FIBRIL | |||||||||
Function / homology | ![]() 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 / phosphatidylinositol bisphosphate binding / negative regulation of tubulin deacetylation ...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 / phosphatidylinositol bisphosphate binding / negative regulation of tubulin deacetylation / generation of neurons / rRNA metabolic process / axonal transport of mitochondrion / regulation of chromosome organization / regulation of mitochondrial fission / axon development / 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 / regulation of microtubule polymerization / dynactin binding / apolipoprotein binding / main axon / protein polymerization / glial cell projection / axolemma / negative regulation of mitochondrial fission / Caspase-mediated cleavage of cytoskeletal proteins / regulation of microtubule polymerization or depolymerization / neurofibrillary tangle assembly / positive regulation of axon extension / Activation of AMPK downstream of NMDARs / regulation of cellular response to heat / positive regulation of superoxide anion generation / supramolecular fiber organization / synapse assembly / regulation of long-term synaptic depression / positive regulation of protein localization / cellular response to brain-derived neurotrophic factor stimulus / regulation of calcium-mediated signaling / cytoplasmic microtubule organization / 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 / synapse organization / PKR-mediated signaling / cellular response to nerve growth factor stimulus / protein homooligomerization / regulation of synaptic plasticity / SH3 domain binding / response to lead ion / microtubule cytoskeleton organization / memory / cytoplasmic ribonucleoprotein granule / neuron projection development / cell-cell signaling / single-stranded DNA binding / protein-folding chaperone binding / actin binding / cellular response to heat / growth cone / microtubule cytoskeleton / cell body / 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 / 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 / plasma membrane Similarity search - Function | |||||||||
Biological species | ![]() | |||||||||
Method | ELECTRON MICROSCOPY / helical reconstruction / cryo EM / Resolution: 2.9 Å | |||||||||
![]() | Hoq, M.R. / Vago, F.S. / Ozcan, K.A. / Bharath, S.R. | |||||||||
Funding support | ![]()
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![]() | ![]() Title: Cryo-EM structures of cotton wool plaques' amyloid β and of tau filaments in dominantly inherited Alzheimer disease. Authors: Md Rejaul Hoq / Anllely Fernandez / Frank S Vago / Grace I Hallinan / Sakshibeedu R Bharath / Daoyi Li / Kadir A Ozcan / Holly J Garringer / Wen Jiang / Ruben Vidal / Bernardino Ghetti / ![]() Abstract: Cotton wool plaques (CWPs) have been described as features of the neuropathologic phenotype of dominantly inherited Alzheimer disease (DIAD) caused by some missense and deletion mutations in the ...Cotton wool plaques (CWPs) have been described as features of the neuropathologic phenotype of dominantly inherited Alzheimer disease (DIAD) caused by some missense and deletion mutations in the presenilin 1 (PSEN1) gene. CWPs are round, eosinophilic amyloid-β (Aβ) plaques that lack an amyloid core and are recognizable, but not fluorescent, in Thioflavin S (ThS) preparations. Amino-terminally truncated and post-translationally modified Aβ peptide species are the main component of CWPs. Tau immunopositive neurites may be present in CWPs. In addition, neurofibrillary tangles coexist with CWPs. Herein, we report the structure of Aβ and tau filaments isolated from brain tissue of individuals affected by DIAD caused by the PSEN1 V261I and A431E mutations, with the CWP neuropathologic phenotype. CWPs are predominantly composed of type I Aβ filaments present in two novel arrangements, type Ic and type Id; additionally, CWPs contain type I and type Ib Aβ filaments. Tau filaments have the AD fold, which has been previously reported in sporadic AD and DIAD. The formation of type Ic and type Id Aβ filaments may be the basis for the phenotype of CWPs. Our data are relevant for the development of PET imaging methodologies to best detect CWPs in DIAD. | |||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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PDBx/mmCIF format | ![]() | 136.7 KB | Display | ![]() |
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PDB format | ![]() | 110 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
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-Validation report
Summary document | ![]() | 1.3 MB | Display | ![]() |
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Full document | ![]() | 1.3 MB | Display | |
Data in XML | ![]() | 34.4 KB | Display | |
Data in CIF | ![]() | 47.8 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 46420MC ![]() 9cziC ![]() 9cznC ![]() 9czpC M: map data used to model this data C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
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Assembly
Deposited unit | ![]()
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Components
#1: Protein | Mass: 8069.321 Da / Num. of mol.: 10 / Fragment: UNP residues 274-347 / Source method: isolated from a natural source / Source: (natural) ![]() |
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-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
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EM experiment | Aggregation state: FILAMENT / 3D reconstruction method: helical reconstruction |
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Sample preparation
Component | Name: Straight tau filament / Type: TISSUE / Entity ID: all / Source: NATURAL | |||||||||||||||
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Source (natural) | Organism: ![]() | |||||||||||||||
Buffer solution | pH: 7.4 | |||||||||||||||
Buffer component |
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Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES | |||||||||||||||
Vitrification | Instrument: GATAN CRYOPLUNGE 3 / Cryogen name: ETHANE |
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Electron microscopy imaging
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Microscopy | Model: FEI TITAN KRIOS |
Electron gun | Electron source: ![]() |
Electron lens | Mode: BRIGHT FIELD / Nominal magnification: 81000 X / Nominal defocus max: 2500 nm / Nominal defocus min: 500 nm / Cs: 2.7 mm / C2 aperture diameter: 50 µm |
Specimen holder | Cryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER |
Image recording | Average exposure time: 3.21 sec. / Electron dose: 57.79 e/Å2 / Detector mode: COUNTING / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Num. of grids imaged: 1 / Num. of real images: 17581 |
EM imaging optics | Energyfilter name: GIF Bioquantum / Energyfilter slit width: 20 eV |
Image scans | Sampling size: 5 µm / Width: 5760 / Height: 4092 |
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Processing
EM software |
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CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||||||||||||||||||||||
Helical symmerty | Angular rotation/subunit: -1.08 ° / Axial rise/subunit: 4.78 Å / Axial symmetry: C1 | ||||||||||||||||||||||||||||||||||||||||||||
3D reconstruction | Resolution: 2.9 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 24819 / Symmetry type: HELICAL | ||||||||||||||||||||||||||||||||||||||||||||
Atomic model building | Protocol: AB INITIO MODEL / Space: REAL |