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- EMDB-13800: Type I beta-amyloid 42 Filaments from Human Brain -

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Basic information

Entry
Database: EMDB / ID: EMD-13800
TitleType I beta-amyloid 42 Filaments from Human Brain
Map data
Sample
  • Tissue: beta-amyloid 42 filaments extracted from the human brain with Alzheimer's disease
    • Protein or peptide: Amyloid-beta precursor protein
  • Ligand: UNKNOWN ATOM OR ION
  • Ligand: water
Function / homology
Function and homology information


regulation of epidermal growth factor-activated receptor activity / signaling receptor activator activity / cytosolic mRNA polyadenylation / collateral sprouting in absence of injury / microglia development / regulation of synapse structure or activity / Formyl peptide receptors bind formyl peptides and many other ligands / axo-dendritic transport / synaptic assembly at neuromuscular junction / smooth endoplasmic reticulum calcium ion homeostasis ...regulation of epidermal growth factor-activated receptor activity / signaling receptor activator activity / cytosolic mRNA polyadenylation / collateral sprouting in absence of injury / microglia development / regulation of synapse structure or activity / Formyl peptide receptors bind formyl peptides and many other ligands / axo-dendritic transport / synaptic assembly at neuromuscular junction / smooth endoplasmic reticulum calcium ion homeostasis / axon midline choice point recognition / astrocyte activation involved in immune response / regulation of spontaneous synaptic transmission / regulation of Wnt signaling pathway / mating behavior / positive regulation of amyloid fibril formation / ciliary rootlet / Lysosome Vesicle Biogenesis / PTB domain binding / neuron remodeling / Golgi-associated vesicle / Insertion of tail-anchored proteins into the endoplasmic reticulum membrane / presynaptic active zone / Deregulated CDK5 triggers multiple neurodegenerative pathways in Alzheimer's disease models / : / nuclear envelope lumen / COPII-coated ER to Golgi transport vesicle / modulation of excitatory postsynaptic potential / suckling behavior / dendrite development / smooth endoplasmic reticulum / regulation of NMDA receptor activity / TRAF6 mediated NF-kB activation / negative regulation of long-term synaptic potentiation / neuromuscular process controlling balance / Advanced glycosylation endproduct receptor signaling / regulation of presynapse assembly / The NLRP3 inflammasome / intracellular copper ion homeostasis / transition metal ion binding / regulation of multicellular organism growth / negative regulation of neuron differentiation / ECM proteoglycans / spindle midzone / positive regulation of T cell migration / Purinergic signaling in leishmaniasis infection / positive regulation of calcium-mediated signaling / forebrain development / regulation of peptidyl-tyrosine phosphorylation / positive regulation of chemokine production / clathrin-coated pit / Notch signaling pathway / cholesterol metabolic process / positive regulation of G2/M transition of mitotic cell cycle / ionotropic glutamate receptor signaling pathway / positive regulation of protein metabolic process / neuron projection maintenance / positive regulation of glycolytic process / extracellular matrix organization / response to interleukin-1 / axonogenesis / positive regulation of mitotic cell cycle / adult locomotory behavior / dendritic shaft / trans-Golgi network membrane / locomotory behavior / platelet alpha granule lumen / positive regulation of peptidyl-threonine phosphorylation / learning / positive regulation of interleukin-1 beta production / central nervous system development / positive regulation of long-term synaptic potentiation / astrocyte activation / endosome lumen / Post-translational protein phosphorylation / synapse organization / positive regulation of JNK cascade / microglial cell activation / visual learning / regulation of long-term neuronal synaptic plasticity / TAK1-dependent IKK and NF-kappa-B activation / neuromuscular junction / serine-type endopeptidase inhibitor activity / cognition / recycling endosome / positive regulation of inflammatory response / neuron cellular homeostasis / positive regulation of interleukin-6 production / Golgi lumen / positive regulation of non-canonical NF-kappaB signal transduction / endocytosis / 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 / positive regulation of DNA-binding transcription factor activity / G2/M transition of mitotic cell cycle / cell-cell junction / synaptic vesicle / positive regulation of tumor necrosis factor production / 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, 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 ...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, 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. / Amyloid precursor protein (APP) E1 domain profile. / Amyloid precursor protein (APP) E2 domain profile. / Amyloidogenic glycoprotein, extracellular / Amyloidogenic glycoprotein / Amyloidogenic glycoprotein, heparin-binding / Amyloidogenic glycoprotein, E2 domain / E2 domain superfamily / Amyloidogenic glycoprotein, heparin-binding domain superfamily / Amyloid A4 N-terminal heparin-binding / E2 domain of amyloid precursor protein / amyloid A4 / 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) / Human (human)
Methodhelical reconstruction / cryo EM / Resolution: 2.5 Å
AuthorsYang Y / Arseni D / Zhang W / Huang M / Lovestam SKA / Schweighauser M / Kotecha A / Murzin AG / Peak-Chew SY / Macdonald J ...Yang Y / Arseni D / Zhang W / Huang M / Lovestam SKA / Schweighauser M / Kotecha A / Murzin AG / Peak-Chew SY / Macdonald J / Lavenir I / Garringer HJ / Gelpi E / Newell KL / Kovacs GG / Vidal R / Ghetti B / Falcon B / Scheres SHW / Goedert M
Funding support United Kingdom, 6 items
OrganizationGrant numberCountry
Medical Research Council (MRC, United Kingdom)MC_UP_1201/25 United Kingdom
Medical Research Council (MRC, United Kingdom)MC_UP_A025_1013 United Kingdom
Medical Research Council (MRC, United Kingdom)MC_U105184291 United Kingdom
National Institutes of Health/National Institute on Aging (NIH/NIA)P30-AG010133 United Kingdom
National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS)U01-NS110437 United Kingdom
National Institutes of Health/National Institute on Aging (NIH/NIA)RF1-AG071177 United Kingdom
CitationJournal: Science / Year: 2022
Title: Cryo-EM structures of amyloid-β 42 filaments from human brains.
Authors: Yang Yang / Diana Arseni / Wenjuan Zhang / Melissa Huang / Sofia Lövestam / Manuel Schweighauser / Abhay Kotecha / Alexey G Murzin / Sew Y Peak-Chew / Jennifer Macdonald / Isabelle Lavenir ...Authors: Yang Yang / Diana Arseni / Wenjuan Zhang / Melissa Huang / Sofia Lövestam / Manuel Schweighauser / Abhay Kotecha / Alexey G Murzin / Sew Y Peak-Chew / Jennifer Macdonald / Isabelle Lavenir / Holly J Garringer / Ellen Gelpi / Kathy L Newell / Gabor G Kovacs / Ruben Vidal / Bernardino Ghetti / Benjamin Ryskeldi-Falcon / Sjors H W Scheres / Michel Goedert /
Abstract: Filament assembly of amyloid-β peptides ending at residue 42 (Aβ42) is a central event in Alzheimer’s disease. Here, we report the cryo–electron microscopy (cryo-EM) structures of Aβ42 ...Filament assembly of amyloid-β peptides ending at residue 42 (Aβ42) is a central event in Alzheimer’s disease. Here, we report the cryo–electron microscopy (cryo-EM) structures of Aβ42 filaments from human brains. Two structurally related S-shaped protofilament folds give rise to two types of filaments. Type I filaments were found mostly in the brains of individuals with sporadic Alzheimer’s disease, and type II filaments were found in individuals with familial Alzheimer’s disease and other conditions. The structures of Aβ42 filaments from the brain differ from those of filaments assembled in vitro. By contrast, in knock-in mice, Aβ42 deposits were made of type II filaments. Knowledge of Aβ42 filament structures from human brains may lead to the development of inhibitors of assembly and improved imaging agents.
History
DepositionOct 30, 2021-
Header (metadata) releaseNov 24, 2021-
Map releaseNov 24, 2021-
UpdateMar 8, 2023-
Current statusMar 8, 2023Processing site: PDBe / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.0045
  • Imaged by UCSF Chimera
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  • Surface view colored by cylindrical radius
  • Surface level: 0.0045
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-7q4b
  • Surface level: 0.0045
  • Imaged by UCSF Chimera
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  • Simplified surface model + fitted atomic model
  • Atomic modelsPDB-7q4b
  • Imaged by Jmol
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

Downloads & links

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Map

FileDownload / File: emd_13800.map.gz / Format: CCP4 / Size: 64 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.73 Å/pix.
x 256 pix.
= 186.112 Å
0.73 Å/pix.
x 256 pix.
= 186.112 Å
0.73 Å/pix.
x 256 pix.
= 186.112 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.727 Å
Density
Contour LevelBy AUTHOR: 0.0045 / Movie #1: 0.0045
Minimum - Maximum-0.012150096 - 0.02674244
Average (Standard dev.)0.00010244143 (±0.0016348249)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions256256256
Spacing256256256
CellA=B=C: 186.112 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z0.7270.7270.727
M x/y/z256256256
origin x/y/z0.0000.0000.000
length x/y/z186.112186.112186.112
α/β/γ90.00090.00090.000
start NX/NY/NZ000
NX/NY/NZ260260260
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS256256256
D min/max/mean-0.0120.0270.000

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Supplemental data

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Half map: #2

Fileemd_13800_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

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Half map: #1

Fileemd_13800_half_map_2.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

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Sample components

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Entire : beta-amyloid 42 filaments extracted from the human brain with Alz...

EntireName: beta-amyloid 42 filaments extracted from the human brain with Alzheimer's disease
Components
  • Tissue: beta-amyloid 42 filaments extracted from the human brain with Alzheimer's disease
    • Protein or peptide: Amyloid-beta precursor protein
  • Ligand: UNKNOWN ATOM OR ION
  • Ligand: water

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Supramolecule #1: beta-amyloid 42 filaments extracted from the human brain with Alz...

SupramoleculeName: beta-amyloid 42 filaments extracted from the human brain with Alzheimer's disease
type: tissue / ID: 1 / Parent: 0 / Macromolecule list: #1
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Amyloid-beta precursor protein

MacromoleculeName: Amyloid-beta precursor protein / type: protein_or_peptide / ID: 1 / Number of copies: 10 / Enantiomer: LEVO
Source (natural)Organism: Human (human)
Molecular weightTheoretical: 4.520087 KDa
SequenceString:
DAEFRHDSGY EVHHQKLVFF AEDVGSNKGA IIGLMVGGVV IA

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Macromolecule #2: UNKNOWN ATOM OR ION

MacromoleculeName: UNKNOWN ATOM OR ION / type: ligand / ID: 2 / Number of copies: 10 / Formula: UNX

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Macromolecule #3: water

MacromoleculeName: water / type: ligand / ID: 3 / Number of copies: 60 / Formula: HOH
Molecular weightTheoretical: 18.015 Da
Chemical component information

ChemComp-HOH:
WATER / Water

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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: FEI FALCON IV (4k x 4k) / Average electron dose: 40.0 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: 2.4 Å
Applied symmetry - Helical parameters - Δ&Phi: 178.4 °
Applied symmetry - Helical parameters - Axial symmetry: C1 (asymmetric)
Resolution.type: BY AUTHOR / Resolution: 2.5 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 59961
FSC plot (resolution estimation)

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