7NCA

Type 1A alpha-synuclein filament seeded in vitro by filaments purified from Multiple Systems Atrophy Case 2


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.47 Å
  • Aggregation State: FILAMENT 
  • Reconstruction Method: HELICAL 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Seeded assembly in vitro does not replicate the structures of alpha-synuclein filaments from multiple system atrophy.

Lovestam, S.Schweighauser, M.Matsubara, T.Murayama, S.Tomita, T.Ando, T.Hasegawa, K.Yoshida, M.Tarutani, A.Hasegawa, M.Goedert, M.Scheres, S.H.W.

(2021) FEBS Open Bio 11: 999-1013

  • DOI: https://doi.org/10.1002/2211-5463.13110
  • Primary Citation of Related Structures:  
    7NCA, 7NCG, 7NCH, 7NCI, 7NCJ, 7NCK

  • PubMed Abstract: 

    The propagation of conformational strains by templated seeding is central to the prion concept. Seeded assembly of α-synuclein into filaments is believed to underlie the prion-like spreading of protein inclusions in a number of human neurodegenerative diseases, including Parkinson's disease, dementia with Lewy bodies (DLB) and multiple system atrophy (MSA). We previously determined the atomic structures of α-synuclein filaments from the putamen of five individuals with MSA. Here, we used filament preparations from three of these brains for the in vitro seeded assembly of recombinant human α-synuclein. We find that the structures of the seeded assemblies differ from those of the seeds, suggesting that additional, as yet unknown, factors play a role in the propagation of the seeds. Identification of these factors will be essential for understanding the prion-like spreading of α-synuclein proteinopathies.


  • Organizational Affiliation

    MRC Laboratory of Molecular Biology, Cambridge, UK.


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Alpha-synuclein
A, B, C, D, E
A, B, C, D, E, F, G, H, I, J, K, L
140Homo sapiensMutation(s): 0 
Gene Names: SNCANACPPARK1
UniProt & NIH Common Fund Data Resources
Find proteins for P37840 (Homo sapiens)
Explore P37840 
Go to UniProtKB:  P37840
PHAROS:  P37840
GTEx:  ENSG00000145335 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP37840
Sequence Annotations
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.47 Å
  • Aggregation State: FILAMENT 
  • Reconstruction Method: HELICAL 
EM Software:
TaskSoftware PackageVersion
RECONSTRUCTIONRELION3.1

Structure Validation

View Full Validation Report



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
Medical Research Council (MRC, United Kingdom)United KingdomMC-U105184291
Medical Research Council (MRC, United Kingdom)United KingdomMC_UP_A025_1013
Japan Agency for Medical Research and Development (AMED)JapanJP18ek0109391
Japan Agency for Medical Research and Development (AMED)JapanJP18dm020719

Revision History  (Full details and data files)

  • Version 1.0: 2021-02-24
    Type: Initial release
  • Version 1.1: 2021-04-14
    Changes: Database references
  • Version 1.2: 2024-05-01
    Changes: Data collection, Database references