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- EMDB-15285: Cryo-EM structure of alpha-synuclein filaments from Parkinson's d... -

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Basic information

Entry
Database: EMDB / ID: EMD-15285
TitleCryo-EM structure of alpha-synuclein filaments from Parkinson's disease and dementia with Lewy bodies
Map data
Sample
  • Tissue: Alpha-synuclein filaments extracted from the human brain with PD, PDD, and DLB
    • Protein or peptide: Alpha-synuclein
    • Protein or peptide: Unknown fragment
    • Protein or peptide: Unknown fragment
  • Ligand: water
Function / homology
Function and homology information


negative regulation of mitochondrial electron transport, NADH to ubiquinone / neutral lipid metabolic process / regulation of phospholipase activity / negative regulation of monooxygenase activity / regulation of acyl-CoA biosynthetic process / negative regulation of dopamine uptake involved in synaptic transmission / negative regulation of norepinephrine uptake / positive regulation of glutathione peroxidase activity / positive regulation of SNARE complex assembly / positive regulation of hydrogen peroxide catabolic process ...negative regulation of mitochondrial electron transport, NADH to ubiquinone / neutral lipid metabolic process / regulation of phospholipase activity / negative regulation of monooxygenase activity / regulation of acyl-CoA biosynthetic process / negative regulation of dopamine uptake involved in synaptic transmission / negative regulation of norepinephrine uptake / positive regulation of glutathione peroxidase activity / positive regulation of SNARE complex assembly / positive regulation of hydrogen peroxide catabolic process / supramolecular fiber / negative regulation of transporter activity / negative regulation of chaperone-mediated autophagy / mitochondrial membrane organization / regulation of reactive oxygen species biosynthetic process / positive regulation of protein localization to cell periphery / regulation of synaptic vesicle recycling / negative regulation of platelet-derived growth factor receptor signaling pathway / negative regulation of exocytosis / regulation of glutamate secretion / response to iron(II) ion / regulation of norepinephrine uptake / dopamine biosynthetic process / SNARE complex assembly / positive regulation of neurotransmitter secretion / synaptic vesicle priming / dopamine uptake involved in synaptic transmission / regulation of macrophage activation / regulation of locomotion / mitochondrial ATP synthesis coupled electron transport / positive regulation of inositol phosphate biosynthetic process / negative regulation of microtubule polymerization / synaptic vesicle transport / dynein complex binding / positive regulation of receptor recycling / regulation of dopamine secretion / positive regulation of endocytosis / protein kinase inhibitor activity / negative regulation of thrombin-activated receptor signaling pathway / response to type II interferon / cuprous ion binding / positive regulation of exocytosis / synaptic vesicle exocytosis / cysteine-type endopeptidase inhibitor activity involved in apoptotic process / response to magnesium ion / kinesin binding / alpha-tubulin binding / regulation of presynapse assembly / synaptic vesicle endocytosis / negative regulation of serotonin uptake / localization / phospholipid metabolic process / supramolecular fiber organization / axon terminus / inclusion body / cellular response to copper ion / Hsp70 protein binding / cellular response to epinephrine stimulus / excitatory postsynaptic potential / response to interleukin-1 / adult locomotory behavior / SNARE binding / positive regulation of release of sequestered calcium ion into cytosol / fatty acid metabolic process / long-term synaptic potentiation / regulation of transmembrane transporter activity / ferrous iron binding / synapse organization / phospholipid binding / protein tetramerization / phosphoprotein binding / microglial cell activation / regulation of long-term neuronal synaptic plasticity / negative regulation of protein kinase activity / tau protein binding / protein destabilization / PKR-mediated signaling / negative regulation of cysteine-type endopeptidase activity involved in apoptotic process / positive regulation of protein serine/threonine kinase activity / receptor internalization / synaptic vesicle membrane / positive regulation of inflammatory response / activation of cysteine-type endopeptidase activity involved in apoptotic process / actin cytoskeleton / cellular response to oxidative stress / positive regulation of peptidyl-serine phosphorylation / actin binding / cell cortex / growth cone / histone binding / chemical synaptic transmission / postsynapse / neuron apoptotic process / negative regulation of neuron apoptotic process / amyloid fibril formation / response to lipopolysaccharide / lysosome / molecular adaptor activity / oxidoreductase activity / transcription cis-regulatory region binding
Similarity search - Function
Synuclein / Alpha-synuclein / Synuclein
Similarity search - Domain/homology
Biological speciesHomo sapiens (human) / human (human)
Methodhelical reconstruction / cryo EM / Resolution: 2.2 Å
AuthorsYang Y / Shi Y / Schweighauser M / Zhang XJ / Kotecha A / Murzin AG / Garringer HJ / Cullinane P / Saito Y / Foroud T ...Yang Y / Shi Y / Schweighauser M / Zhang XJ / Kotecha A / Murzin AG / Garringer HJ / Cullinane P / Saito Y / Foroud T / Warner TT / Hasegawa K / Vidal R / Murayama S / Revesz T / Ghetti B / Hasegawa M / Lashley T / Scheres HWS / Goedert M
Funding support United Kingdom, United States, 4 items
OrganizationGrant numberCountry
Medical Research Council (MRC, United Kingdom)MC_UP_A025_1013 United Kingdom
Medical Research Council (MRC, United Kingdom)MC_U105184291 to M.G. United Kingdom
Alzheimers Research UK (ARUK) United Kingdom
National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS) United States
CitationJournal: Nature / Year: 2022
Title: Structures of α-synuclein filaments from human brains with Lewy pathology.
Authors: Yang Yang / Yang Shi / Manuel Schweighauser / Xianjun Zhang / Abhay Kotecha / Alexey G Murzin / Holly J Garringer / Patrick W Cullinane / Yuko Saito / Tatiana Foroud / Thomas T Warner / ...Authors: Yang Yang / Yang Shi / Manuel Schweighauser / Xianjun Zhang / Abhay Kotecha / Alexey G Murzin / Holly J Garringer / Patrick W Cullinane / Yuko Saito / Tatiana Foroud / Thomas T Warner / Kazuko Hasegawa / Ruben Vidal / Shigeo Murayama / Tamas Revesz / Bernardino Ghetti / Masato Hasegawa / Tammaryn Lashley / Sjors H W Scheres / Michel Goedert /
Abstract: Parkinson's disease (PD) is the most common movement disorder, with resting tremor, rigidity, bradykinesia and postural instability being major symptoms. Neuropathologically, it is characterized by ...Parkinson's disease (PD) is the most common movement disorder, with resting tremor, rigidity, bradykinesia and postural instability being major symptoms. Neuropathologically, it is characterized by the presence of abundant filamentous inclusions of α-synuclein in the form of Lewy bodies and Lewy neurites in some brain cells, including dopaminergic nerve cells of the substantia nigra. PD is increasingly recognised as a multisystem disorder, with cognitive decline being one of its most common non-motor symptoms. Many patients with PD develop dementia more than 10 years after diagnosis. PD dementia (PDD) is clinically and neuropathologically similar to dementia with Lewy bodies (DLB), which is diagnosed when cognitive impairment precedes parkinsonian motor signs or begins within one year from their onset. In PDD, cognitive impairment develops in the setting of well-established PD. Besides PD and DLB, multiple system atrophy (MSA) is the third major synucleinopathy. It is characterized by the presence of abundant filamentous α-synuclein inclusions in brain cells, especially oligodendrocytes (Papp-Lantos bodies). We previously reported the electron cryo-microscopy structures of two types of α-synuclein filament extracted from the brains of individuals with MSA. Each filament type is made of two different protofilaments. Here we report that the cryo-electron microscopy structures of α-synuclein filaments from the brains of individuals with PD, PDD and DLB are made of a single protofilament (Lewy fold) that is markedly different from the protofilaments of MSA. These findings establish the existence of distinct molecular conformers of assembled α-synuclein in neurodegenerative disease.
History
DepositionJun 28, 2022-
Header (metadata) releaseAug 31, 2022-
Map releaseAug 31, 2022-
UpdateNov 9, 2022-
Current statusNov 9, 2022Processing site: PDBe / Status: Released

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Structure visualization

Supplemental images

emd_15285.png

Downloads & links

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Map

FileDownload / File: emd_15285.map.gz / Format: CCP4 / Size: 64 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Voxel sizeX=Y=Z: 0.727 Å
Density
Contour LevelBy AUTHOR: 0.0082
Minimum - Maximum-0.01729697 - 0.044076517
Average (Standard dev.)0.00015815366 (±0.002012545)
SymmetrySpace group: 1
Details

EMDB XML:

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

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Supplemental data

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Mask #1

Fileemd_15285_msk_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #2

Fileemd_15285_half_map_1.map
Projections & Slices
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Histogram

Histogram (log scale)

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Half map: #1

Fileemd_15285_half_map_2.map
Projections & Slices
AxesZYX

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Histogram (log scale)

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Sample components

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Entire : Alpha-synuclein filaments extracted from the human brain with PD,...

EntireName: Alpha-synuclein filaments extracted from the human brain with PD, PDD, and DLB
Components
  • Tissue: Alpha-synuclein filaments extracted from the human brain with PD, PDD, and DLB
    • Protein or peptide: Alpha-synuclein
    • Protein or peptide: Unknown fragment
    • Protein or peptide: Unknown fragment
  • Ligand: water

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Supramolecule #1: Alpha-synuclein filaments extracted from the human brain with PD,...

SupramoleculeName: Alpha-synuclein filaments extracted from the human brain with PD, PDD, and DLB
type: tissue / ID: 1 / Parent: 0 / Macromolecule list: #1-#3
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Alpha-synuclein

MacromoleculeName: Alpha-synuclein / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: human (human)
Molecular weightTheoretical: 14.476108 KDa
SequenceString:
MDVFMKGLSK AKEGVVAAAE KTKQGVAEAA GKTKEGVLYV GSKTKEGVVH GVATVAEKTK EQVTNVGGAV VTGVTAVAQK TVEGAGSIA AATGFVKKDQ LGKNEEGAPQ EGILEDMPVD PDNEAYEMPS EEGYQDYEPE A

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Macromolecule #2: Unknown fragment

MacromoleculeName: Unknown fragment / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 783.958 Da
SequenceString:
(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)

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Macromolecule #3: Unknown fragment

MacromoleculeName: Unknown fragment / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 627.775 Da
SequenceString:
(UNK)(UNK)(UNK)(UNK)V(UNK)(UNK)

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Macromolecule #4: water

MacromoleculeName: water / type: ligand / ID: 4 / Number of copies: 6 / 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 / Nominal defocus max: 1.4000000000000001 µm / Nominal defocus min: 0.6 µm
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: 4.76 Å
Applied symmetry - Helical parameters - Δ&Phi: 0.86 °
Applied symmetry - Helical parameters - Axial symmetry: C1 (asymmetric)
Resolution.type: BY AUTHOR / Resolution: 2.2 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION (ver. 4.0) / Number images used: 68330
FSC plot (resolution estimation)

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