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- PDB-9czp: Type Id amyloid-beta 42 filaments in dominantly inherited Alzheim... -
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Basic information
Entry | Database: PDB / ID: 9czp | |||||||||
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Title | Type Id amyloid-beta 42 filaments in dominantly inherited Alzheimer disease with cotton wool plaques | |||||||||
![]() | Amyloid-beta protein 42 | |||||||||
![]() | NEUROPEPTIDE / Amyloid filaments / cotton wool plaques / neurodegeneration / PROTEIN FIBRIL | |||||||||
Function / homology | ![]() amyloid-beta complex / microglia development / negative regulation of presynapse assembly / collateral sprouting in absence of injury / cytosolic mRNA polyadenylation / synaptic assembly at neuromuscular junction / Formyl peptide receptors bind formyl peptides and many other ligands / regulation of synapse structure or activity / axo-dendritic transport / regulation of Wnt signaling pathway ...amyloid-beta complex / microglia development / negative regulation of presynapse assembly / collateral sprouting in absence of injury / cytosolic mRNA polyadenylation / synaptic assembly at neuromuscular junction / Formyl peptide receptors bind formyl peptides and many other ligands / regulation of synapse structure or activity / axo-dendritic transport / regulation of Wnt signaling pathway / axon midline choice point recognition / astrocyte activation involved in immune response / smooth endoplasmic reticulum calcium ion homeostasis / NMDA selective glutamate receptor signaling pathway / regulation of spontaneous synaptic transmission / mating behavior / ciliary rootlet / Golgi-associated vesicle / PTB domain binding / Lysosome Vesicle Biogenesis / positive regulation of amyloid fibril formation / Insertion of tail-anchored proteins into the endoplasmic reticulum membrane / neuron remodeling / Deregulated CDK5 triggers multiple neurodegenerative pathways in Alzheimer's disease models / nuclear envelope lumen / suckling behavior / COPII-coated ER to Golgi transport vesicle / positive regulation of protein metabolic process / dendrite development / TRAF6 mediated NF-kB activation / modulation of excitatory postsynaptic potential / presynaptic active zone / Advanced glycosylation endproduct receptor signaling / signaling receptor activator activity / The NLRP3 inflammasome / negative regulation of long-term synaptic potentiation / neuromuscular process controlling balance / transition metal ion binding / regulation of multicellular organism growth / intracellular copper ion homeostasis / regulation of presynapse assembly / negative regulation of neuron differentiation / ECM proteoglycans / spindle midzone / positive regulation of T cell migration / forebrain development / smooth endoplasmic reticulum / Purinergic signaling in leishmaniasis infection / positive regulation of chemokine production / clathrin-coated pit / Notch signaling pathway / positive regulation of G2/M transition of mitotic cell cycle / extracellular matrix organization / neuron projection maintenance / Mitochondrial protein degradation / ionotropic glutamate receptor signaling pathway / axonogenesis / response to interleukin-1 / cholesterol metabolic process / positive regulation of calcium-mediated signaling / positive regulation of mitotic cell cycle / protein serine/threonine kinase binding / platelet alpha granule lumen / positive regulation of glycolytic process / adult locomotory behavior / dendritic shaft / central nervous system development / positive regulation of long-term synaptic potentiation / positive regulation of interleukin-1 beta production / trans-Golgi network membrane / endosome lumen / TAK1-dependent IKK and NF-kappa-B activation / learning / astrocyte activation / positive regulation of JNK cascade / Post-translational protein phosphorylation / locomotory behavior / microglial cell activation / serine-type endopeptidase inhibitor activity / regulation of long-term neuronal synaptic plasticity / positive regulation of non-canonical NF-kappaB signal transduction / synapse organization / visual learning / recycling endosome / neuromuscular junction / positive regulation of interleukin-6 production / Golgi lumen / cognition / neuron cellular homeostasis / endocytosis / Regulation of Insulin-like Growth Factor (IGF) transport and uptake by Insulin-like Growth Factor Binding Proteins (IGFBPs) / positive regulation of inflammatory response / cellular response to amyloid-beta / neuron projection development / G2/M transition of mitotic cell cycle / positive regulation of tumor necrosis factor production / apical part of cell / synaptic vesicle / Platelet degranulation / cell-cell junction Similarity search - Function | |||||||||
Biological species | ![]() | |||||||||
Method | ELECTRON MICROSCOPY / helical reconstruction / cryo EM / Resolution: 3.3 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 | ![]() | 109.9 KB | Display | ![]() |
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PDB format | ![]() | 90.8 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1.4 MB | Display | ![]() |
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Full document | ![]() | 1.4 MB | Display | |
Data in XML | ![]() | 30.5 KB | Display | |
Data in CIF | ![]() | 46.2 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 46424MC ![]() 9cziC ![]() 9czlC ![]() 9cznC 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/peptide | Mass: 3560.128 Da / Num. of mol.: 20 / Fragment: UNP residues 680-713 / 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: Type Id amyloid-beta 42 / 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: 2 / Num. of real images: 23764 |
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: -1.74 ° / Axial rise/subunit: 4.77 Å / Axial symmetry: C1 | ||||||||||||||||||||||||||||||||||||||||||||
3D reconstruction | Resolution: 3.3 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 5604 / Symmetry type: HELICAL | ||||||||||||||||||||||||||||||||||||||||||||
Atomic model building | Protocol: AB INITIO MODEL / Space: REAL |