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- PDB-8sel: Type IIIb beta-amyloid 40 Filaments from Down Syndrome -

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Basic information

Entry
Database: PDB / ID: 8sel
TitleType IIIb beta-amyloid 40 Filaments from Down Syndrome
ComponentsAmyloid-beta protein 40
KeywordsNEUROPEPTIDE / Beta Amyloid filaments / Down Syndrome / Human Trisomy 21
Function / homology
Function and homology information


amyloid-beta complex / growth cone lamellipodium / cellular response to norepinephrine stimulus / collateral sprouting in absence of injury / growth cone filopodium / microglia development / hippocampal neuron apoptotic process / regulation of Wnt signaling pathway / Formyl peptide receptors bind formyl peptides and many other ligands / axo-dendritic transport ...amyloid-beta complex / growth cone lamellipodium / cellular response to norepinephrine stimulus / collateral sprouting in absence of injury / growth cone filopodium / microglia development / hippocampal neuron apoptotic process / regulation of Wnt signaling pathway / Formyl peptide receptors bind formyl peptides and many other ligands / axo-dendritic transport / axon midline choice point recognition / regulation of synapse structure or activity / positive regulation of synaptic transmission, cholinergic / astrocyte activation involved in immune response / NMDA selective glutamate receptor signaling pathway / regulation of spontaneous synaptic transmission / mating behavior / growth factor receptor binding / peptidase activator activity / Insertion of tail-anchored proteins into the endoplasmic reticulum membrane / positive regulation of amyloid fibril formation / PTB domain binding / astrocyte projection / Golgi-associated vesicle / neuron remodeling / Lysosome Vesicle Biogenesis / Deregulated CDK5 triggers multiple neurodegenerative pathways in Alzheimer's disease models / dendrite development / regulation of multicellular organism growth / nuclear envelope lumen / TRAF6 mediated NF-kB activation / positive regulation of protein metabolic process / signaling receptor activator activity / negative regulation of long-term synaptic potentiation / transition metal ion binding / Advanced glycosylation endproduct receptor signaling / The NLRP3 inflammasome / modulation of excitatory postsynaptic potential / intracellular copper ion homeostasis / Notch signaling pathway / main axon / ECM proteoglycans / response to insulin-like growth factor stimulus / positive regulation of T cell migration / regulation of presynapse assembly / adult locomotory behavior / extracellular matrix organization / neuronal dense core vesicle / regulation of long-term neuronal synaptic plasticity / swimming behavior / Purinergic signaling in leishmaniasis infection / positive regulation of chemokine production / positive regulation of calcium-mediated signaling / positive regulation of mitotic cell cycle / axonogenesis / cellular response to manganese ion / neuron projection maintenance / clathrin-coated pit / visual learning / astrocyte activation / cellular response to cAMP / synaptic cleft / regulation of neuron apoptotic process / Mitochondrial protein degradation / ionotropic glutamate receptor signaling pathway / positive regulation of glycolytic process / learning / platelet alpha granule lumen / response to interleukin-1 / locomotory behavior / cellular response to copper ion / endosome lumen / trans-Golgi network membrane / positive regulation of interleukin-1 beta production / dendritic shaft / central nervous system development / positive regulation of long-term synaptic potentiation / protein serine/threonine kinase binding / Post-translational protein phosphorylation / serine-type endopeptidase inhibitor activity / microglial cell activation / cellular response to nerve growth factor stimulus / positive regulation of non-canonical NF-kappaB signal transduction / TAK1-dependent IKK and NF-kappa-B activation / synapse organization / positive regulation of interleukin-6 production / positive regulation of JNK cascade / recycling endosome / response to lead ion / Golgi lumen / endocytosis / cognition / Regulation of Insulin-like Growth Factor (IGF) transport and uptake by Insulin-like Growth Factor Binding Proteins (IGFBPs) / neuron projection development / cellular response to amyloid-beta / calcium ion transport / positive regulation of inflammatory response / positive regulation of tumor necrosis factor production / regulation of gene expression / regulation of translation
Similarity search - Function
Amyloidogenic glycoprotein, copper-binding / Amyloidogenic glycoprotein, copper-binding domain conserved site / Amyloidogenic glycoprotein, copper-binding domain superfamily / Copper-binding of amyloid precursor, CuBD / Amyloid precursor protein (APP) copper-binding (CuBD) domain signature. / Amyloidogenic glycoprotein, heparin-binding / Amyloid A4 N-terminal heparin-binding / Amyloidogenic glycoprotein, amyloid-beta peptide superfamily / Beta-amyloid peptide (beta-APP) / Amyloidogenic glycoprotein, amyloid-beta peptide ...Amyloidogenic glycoprotein, copper-binding / Amyloidogenic glycoprotein, copper-binding domain conserved site / Amyloidogenic glycoprotein, copper-binding domain superfamily / Copper-binding of amyloid precursor, CuBD / Amyloid precursor protein (APP) copper-binding (CuBD) domain signature. / Amyloidogenic glycoprotein, heparin-binding / Amyloid A4 N-terminal heparin-binding / Amyloidogenic glycoprotein, amyloid-beta peptide superfamily / Beta-amyloid peptide (beta-APP) / Amyloidogenic glycoprotein, amyloid-beta peptide / Beta-amyloid precursor protein C-terminal / Amyloidogenic glycoprotein, intracellular domain, conserved site / Beta-amyloid precursor protein C-terminus / Amyloid precursor protein (APP) intracellular domain signature. / Amyloidogenic glycoprotein, extracellular / Amyloidogenic glycoprotein, E2 domain / E2 domain superfamily / Amyloidogenic glycoprotein, heparin-binding domain superfamily / E2 domain of amyloid precursor protein / Amyloid precursor protein (APP) E1 domain profile. / Amyloid precursor protein (APP) E2 domain profile. / amyloid A4 / Amyloidogenic glycoprotein / Proteinase inhibitor I2, Kunitz, conserved site / Pancreatic trypsin inhibitor (Kunitz) family signature. / BPTI/Kunitz family of serine protease inhibitors. / Pancreatic trypsin inhibitor Kunitz domain / Kunitz/Bovine pancreatic trypsin inhibitor domain / Pancreatic trypsin inhibitor (Kunitz) family profile. / Pancreatic trypsin inhibitor Kunitz domain superfamily / PH-like domain superfamily
Similarity search - Domain/homology
Amyloid-beta precursor protein
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / helical reconstruction / cryo EM / Resolution: 3.8 Å
AuthorsHoq, M.R. / Vago, F.S. / Bharath, S.R. / Jiang, W.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Institute on Aging (NIH/NIA)5U01NS110437 and and 1RF1AG071177 United States
CitationJournal: Nat Struct Mol Biol / Year: 2024
Title: Cryo-EM structures of amyloid-β and tau filaments in Down syndrome.
Authors: Anllely Fernandez / Md Rejaul Hoq / Grace I Hallinan / Daoyi Li / Sakshibeedu R Bharath / Frank S Vago / Xiaoqi Zhang / Kadir A Ozcan / Kathy L Newell / Holly J Garringer / Wen Jiang / ...Authors: Anllely Fernandez / Md Rejaul Hoq / Grace I Hallinan / Daoyi Li / Sakshibeedu R Bharath / Frank S Vago / Xiaoqi Zhang / Kadir A Ozcan / Kathy L Newell / Holly J Garringer / Wen Jiang / Bernardino Ghetti / Ruben Vidal /
Abstract: Adult individuals with Down syndrome (DS) develop Alzheimer disease (AD). Whether there is a difference between AD in DS and AD regarding the structure of amyloid-β (Aβ) and tau filaments is ...Adult individuals with Down syndrome (DS) develop Alzheimer disease (AD). Whether there is a difference between AD in DS and AD regarding the structure of amyloid-β (Aβ) and tau filaments is unknown. Here we report the structure of Aβ and tau filaments from two DS brains. We found two Aβ filaments (types IIIa and IIIb) that differ from those previously reported in sporadic AD and two types of Aβ filaments (I and II) identical to those found in sporadic and familial AD. Tau filaments (paired helical filaments and straight filaments) were identical to those in AD, supporting the notion of a common mechanism through which amyloids trigger aggregation of tau. This knowledge is important for understanding AD in DS and assessing whether adults with DS could be included in AD clinical trials.
History
DepositionApr 10, 2023Deposition site: RCSB / Processing site: RCSB
Revision 1.0Apr 3, 2024Provider: repository / Type: Initial release
Revision 1.1Apr 10, 2024Group: Database references / Category: citation / citation_author
Item: _citation.pdbx_database_id_PubMed / _citation.title / _citation_author.identifier_ORCID
Revision 1.2Jun 26, 2024Group: Data collection / Database references / Category: citation / em_admin
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _em_admin.last_update

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Amyloid-beta protein 40
B: Amyloid-beta protein 40
C: Amyloid-beta protein 40
D: Amyloid-beta protein 40
E: Amyloid-beta protein 40
F: Amyloid-beta protein 40
G: Amyloid-beta protein 40
H: Amyloid-beta protein 40
I: Amyloid-beta protein 40
J: Amyloid-beta protein 40
K: Amyloid-beta protein 40
L: Amyloid-beta protein 40
M: Amyloid-beta protein 40
N: Amyloid-beta protein 40
O: Amyloid-beta protein 40
P: Amyloid-beta protein 40
Q: Amyloid-beta protein 40
R: Amyloid-beta protein 40
S: Amyloid-beta protein 40
T: Amyloid-beta protein 40


Theoretical massNumber of molelcules
Total (without water)86,71720
Polymers86,71720
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

#1: Protein/peptide
Amyloid-beta protein 40


Mass: 4335.852 Da / Num. of mol.: 20 / Source method: isolated from a natural source
Details: Type IIIb beta-amyloid 40 Filaments from Human Trisomy 21
Source: (natural) Homo sapiens (human) / References: UniProt: P05067

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: FILAMENT / 3D reconstruction method: helical reconstruction

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Sample preparation

ComponentName: Type IIIb beta amyloid 40 from Human trisomy 21 Case 2.
Type: TISSUE / Entity ID: all / Source: NATURAL
Source (natural)Organism: Homo sapiens (human)
Buffer solutionpH: 7.4
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: OTHER
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 3000 nm / Nominal defocus min: 400 nm
Image recordingElectron dose: 52.35 e/Å2 / Detector mode: COUNTING / Film or detector model: DIRECT ELECTRON DE-12 (4k x 3k)

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Processing

EM softwareName: RELION / Version: 4 / Category: 3D reconstruction
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Helical symmertyAngular rotation/subunit: -0.46 ° / Axial rise/subunit: 4.76 Å / Axial symmetry: C2
3D reconstructionResolution: 3.8 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 4295 / Num. of class averages: 1 / Symmetry type: HELICAL

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