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- EMDB-31706: Heparin-induced alpha-synuclein fibrils polymorph 3 -

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Basic information

Entry
Database: EMDB / ID: EMD-31706
TitleHeparin-induced alpha-synuclein fibrils polymorph 3
Map data
Sample
  • Organelle or cellular component: Heparin induced alpha-synuclein fibrils polymorph 3
    • Protein or peptide: Alpha-synuclein
Keywordsamyloid fibril / PROTEIN FIBRIL
Function / homology
Function and homology information


regulation of phospholipase activity / negative regulation of monooxygenase activity / negative regulation of mitochondrial electron transport, NADH to ubiquinone / positive regulation of glutathione peroxidase activity / neutral lipid metabolic process / regulation of acyl-CoA biosynthetic process / negative regulation of dopamine uptake involved in synaptic transmission / negative regulation of norepinephrine uptake / positive regulation of SNARE complex assembly / positive regulation of hydrogen peroxide catabolic process ...regulation of phospholipase activity / negative regulation of monooxygenase activity / negative regulation of mitochondrial electron transport, NADH to ubiquinone / positive regulation of glutathione peroxidase activity / neutral lipid metabolic process / regulation of acyl-CoA biosynthetic process / negative regulation of dopamine uptake involved in synaptic transmission / negative regulation of norepinephrine uptake / positive regulation of SNARE complex assembly / positive regulation of hydrogen peroxide catabolic process / supramolecular fiber / negative regulation of transporter activity / mitochondrial membrane organization / negative regulation of chaperone-mediated autophagy / regulation of reactive oxygen species biosynthetic process / regulation of synaptic vesicle recycling / 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 / response to iron(II) ion / regulation of norepinephrine uptake / SNARE complex assembly / positive regulation of neurotransmitter secretion / dopamine biosynthetic process / regulation of locomotion / positive regulation of inositol phosphate biosynthetic process / synaptic vesicle priming / regulation of macrophage activation / negative regulation of microtubule polymerization / synaptic vesicle transport / dynein complex binding / dopamine uptake involved in synaptic transmission / positive regulation of receptor recycling / regulation of dopamine secretion / protein kinase inhibitor activity / negative regulation of thrombin-activated receptor signaling pathway / cuprous ion binding / response to type II interferon / synaptic vesicle exocytosis / positive regulation of exocytosis / kinesin binding / positive regulation of endocytosis / cysteine-type endopeptidase inhibitor activity involved in apoptotic process / mitochondrial ATP synthesis coupled electron transport / response to magnesium ion / synaptic vesicle endocytosis / regulation of presynapse assembly / negative regulation of serotonin uptake / alpha-tubulin binding / phospholipid metabolic process / supramolecular fiber organization / axon terminus / inclusion body / cellular response to copper ion / cellular response to epinephrine stimulus / Hsp70 protein binding / response to interleukin-1 / : / adult locomotory behavior / positive regulation of release of sequestered calcium ion into cytosol / SNARE binding / excitatory postsynaptic potential / fatty acid metabolic process / long-term synaptic potentiation / phosphoprotein binding / protein tetramerization / regulation of transmembrane transporter activity / negative regulation of protein kinase activity / microglial cell activation / synapse organization / regulation of long-term neuronal synaptic plasticity / protein destabilization / ferrous iron binding / tau protein binding / positive regulation of protein serine/threonine kinase activity / PKR-mediated signaling / receptor internalization / phospholipid binding / : / synaptic vesicle membrane / positive regulation of inflammatory response / actin cytoskeleton / positive regulation of peptidyl-serine phosphorylation / actin binding / cellular response to oxidative stress / histone binding / cell cortex / growth cone / chemical synaptic transmission / neuron apoptotic process / negative regulation of neuron apoptotic process / postsynapse / amyloid fibril formation / response to lipopolysaccharide / molecular adaptor activity / lysosome / oxidoreductase activity / transcription cis-regulatory region binding / positive regulation of apoptotic process
Similarity search - Function
Synuclein / Alpha-synuclein / Synuclein
Similarity search - Domain/homology
Biological speciesHomo sapiens (human)
Methodhelical reconstruction / cryo EM / Resolution: 3.1 Å
AuthorsTao YQ / Sun YP
Funding support1 items
OrganizationGrant numberCountry
Not funded
CitationJournal: To Be Published
Title: Heparin-induced alpha-synuclein fibrils polymorph 3
Authors: Tao YQ / Sun YP / Liu C / Li D
History
DepositionAug 12, 2021-
Header (metadata) releaseAug 17, 2022-
Map releaseAug 17, 2022-
UpdateJun 12, 2024-
Current statusJun 12, 2024Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_31706.png

Downloads & links

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Map

FileDownload / File: emd_31706.map.gz / Format: CCP4 / Size: 240.5 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 398 pix.
= 421.88 Å		1.06 Å/pix.
x 398 pix.
= 421.88 Å		1.06 Å/pix.
x 398 pix.
= 421.88 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.06 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.008
Minimum - Maximum-0.04159246 - 0.06875712
Average (Standard dev.)0.00024773093 (±0.0019600508)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions398398398
Spacing398398398
CellA=B=C: 421.87997 Å
α=β=γ: 90.0 °

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Supplemental data

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Sample components

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Entire : Heparin induced alpha-synuclein fibrils polymorph 3

EntireName: Heparin induced alpha-synuclein fibrils polymorph 3
Components
  • Organelle or cellular component: Heparin induced alpha-synuclein fibrils polymorph 3
    • Protein or peptide: Alpha-synuclein

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Supramolecule #1: Heparin induced alpha-synuclein fibrils polymorph 3

SupramoleculeName: Heparin induced alpha-synuclein fibrils polymorph 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: 2.42 Å
Applied symmetry - Helical parameters - Δ&Phi: 179.73 °
Applied symmetry - Helical parameters - Axial symmetry: C1 (asymmetric)
Resolution.type: BY AUTHOR / Resolution: 3.1 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 47063
Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

6sst

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

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