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- EMDB-35090: Formed alpha-synuclein fibrils after incubation with heparin for ... -

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Basic information

Entry
Database: EMDB / ID: EMD-35090
TitleFormed alpha-synuclein fibrils after incubation with heparin for 3 days (Hep-remod-3)
Map data
Sample
  • Organelle or cellular component: Formed alpha-synuclein fibrils after incubation with heparin for 3 days (Hep-remod-3)
    • Protein or peptide: Alpha-synuclein
Keywordsamyloid fibril / PROTEIN FIBRIL
Function / homology
Function and homology information


negative regulation of mitochondrial electron transport, NADH to ubiquinone / : / neutral lipid metabolic process / regulation of acyl-CoA biosynthetic process / negative regulation of dopamine uptake involved in synaptic transmission / negative regulation of norepinephrine uptake / response to desipramine / positive regulation of SNARE complex assembly / positive regulation of hydrogen peroxide catabolic process / supramolecular fiber ...negative regulation of mitochondrial electron transport, NADH to ubiquinone / : / neutral lipid metabolic process / regulation of acyl-CoA biosynthetic process / negative regulation of dopamine uptake involved in synaptic transmission / negative regulation of norepinephrine uptake / response to desipramine / positive regulation of SNARE complex assembly / positive regulation of hydrogen peroxide catabolic process / supramolecular fiber / regulation of synaptic vesicle recycling / negative regulation of chaperone-mediated autophagy / mitochondrial membrane organization / regulation of reactive oxygen species biosynthetic process / negative regulation of platelet-derived growth factor receptor signaling pathway / positive regulation of protein localization to cell periphery / negative regulation of exocytosis / regulation of glutamate secretion / dopamine biosynthetic process / response to iron(II) ion / SNARE complex assembly / regulation of locomotion / positive regulation of neurotransmitter secretion / negative regulation of dopamine metabolic process / positive regulation of inositol phosphate biosynthetic process / regulation of macrophage activation / regulation of norepinephrine uptake / negative regulation of microtubule polymerization / synaptic vesicle transport / transporter regulator activity / synaptic vesicle priming / dopamine uptake involved in synaptic transmission / protein kinase inhibitor activity / mitochondrial ATP synthesis coupled electron transport / regulation of dopamine secretion / dynein complex binding / negative regulation of thrombin-activated receptor signaling pathway / positive regulation of receptor recycling / cuprous ion binding / nuclear outer membrane / response to magnesium ion / positive regulation of endocytosis / positive regulation of exocytosis / synaptic vesicle exocytosis / kinesin binding / synaptic vesicle endocytosis / enzyme inhibitor activity / cysteine-type endopeptidase inhibitor activity / negative regulation of serotonin uptake / response to type II interferon / regulation of presynapse assembly / alpha-tubulin binding / beta-tubulin binding / phospholipase binding / behavioral response to cocaine / supramolecular fiber organization / phospholipid metabolic process / cellular response to fibroblast growth factor stimulus / inclusion body / axon terminus / Hsp70 protein binding / cellular response to epinephrine stimulus / response to interleukin-1 / regulation of microtubule cytoskeleton organization / cellular response to copper ion / positive regulation of release of sequestered calcium ion into cytosol / adult locomotory behavior / SNARE binding / excitatory postsynaptic potential / protein tetramerization / phosphoprotein binding / microglial cell activation / ferrous iron binding / fatty acid metabolic process / regulation of long-term neuronal synaptic plasticity / synapse organization / protein destabilization / PKR-mediated signaling / phospholipid binding / receptor internalization / tau protein binding / long-term synaptic potentiation / terminal bouton / positive regulation of inflammatory response / synaptic vesicle membrane / actin cytoskeleton / actin binding / growth cone / cellular response to oxidative stress / neuron apoptotic process / cell cortex / histone binding / response to lipopolysaccharide / microtubule binding / molecular adaptor activity / chemical synaptic transmission / amyloid fibril formation / negative regulation of neuron apoptotic process / mitochondrial outer membrane / oxidoreductase activity
Similarity search - Function
Synuclein / Alpha-synuclein / Synuclein
Similarity search - Domain/homology
Biological speciesHomo sapiens (human)
Methodhelical reconstruction / cryo EM / Resolution: 3.3 Å
AuthorsTao YQ / Zhao QY / Liu C / Li D
Funding support1 items
OrganizationGrant numberCountry
Not funded
CitationJournal: To Be Published
Title: Formed alpha-synuclein fibrils after incubation with heparin for 3 days (Hep-remod-3)
Authors: Tao YQ / Zhao QY / Liu C / Li D
History
DepositionJan 9, 2023-
Header (metadata) releaseJan 10, 2024-
Map releaseJan 10, 2024-
UpdateJun 18, 2025-
Current statusJun 18, 2025Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_35090.png

Downloads & links

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Map

FileDownload / File: emd_35090.map.gz / Format: CCP4 / Size: 91.1 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.06 Å/pix.
x 288 pix.
= 305.28 Å		1.06 Å/pix.
x 288 pix.
= 305.28 Å		1.06 Å/pix.
x 288 pix.
= 305.28 Å

Surface

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Images are generated by Spider.

Voxel sizeX=Y=Z: 1.06 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.0065
Minimum - Maximum-0.03613597 - 0.058527723
Average (Standard dev.)0.00010305164 (±0.0022830395)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions288288288
Spacing288288288
CellA=B=C: 305.27997 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #1

Fileemd_35090_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #2

Fileemd_35090_half_map_2.map
Projections & Slices
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Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : Formed alpha-synuclein fibrils after incubation with heparin for ...

EntireName: Formed alpha-synuclein fibrils after incubation with heparin for 3 days (Hep-remod-3)
Components
  • Organelle or cellular component: Formed alpha-synuclein fibrils after incubation with heparin for 3 days (Hep-remod-3)
    • Protein or peptide: Alpha-synuclein

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Supramolecule #1: Formed alpha-synuclein fibrils after incubation with heparin for ...

SupramoleculeName: Formed alpha-synuclein fibrils after incubation with heparin for 3 days (Hep-remod-3)
type: organelle_or_cellular_component / ID: 1 / Parent: 0 / Macromolecule list: all
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: 6 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 14.476108 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
MDVFMKGLSK AKEGVVAAAE KTKQGVAEAA GKTKEGVLYV GSKTKEGVVH GVATVAEKTK EQVTNVGGAV VTGVTAVAQK TVEGAGSIA AATGFVKKDQ LGKNEEGAPQ EGILEDMPVD PDNEAYEMPS EEGYQDYEPE A

UniProtKB: Alpha-synuclein

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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
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average electron dose: 55.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.0 µm / Nominal defocus min: 1.0 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Final reconstructionApplied symmetry - Helical parameters - Δz: 2.41 Å
Applied symmetry - Helical parameters - Δ&Phi: 179.33 °
Applied symmetry - Helical parameters - Axial symmetry: C1 (asymmetric)
Resolution.type: BY AUTHOR / Resolution: 3.3 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 57147
CTF correctionType: NONE
Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

6a6b

Final angle assignmentType: NOT APPLICABLE
FSC plot (resolution estimation)

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