6CU8

Alpha Synuclein fibril formed by full length protein - Twister Polymorph


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.6 Å
  • Aggregation State: FILAMENT 
  • Reconstruction Method: HELICAL 

wwPDB Validation 3D Report Full Report


This is version 1.4 of the entry. See complete history

Literature

Cryo-EM of full-length alpha-synuclein reveals fibril polymorphs with a common structural kernel.

Li, B.Ge, P.Murray, K.A.Sheth, P.Zhang, M.Nair, G.Sawaya, M.R.Shin, W.S.Boyer, D.R.Ye, S.Eisenberg, D.S.Zhou, Z.H.Jiang, L.

(2018) Nat Commun 9: 3609-3609

  • DOI: 10.1038/s41467-018-05971-2
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • α-Synuclein (aSyn) fibrillar polymorphs have distinct in vitro and in vivo seeding activities, contributing differently to synucleinopathies. Despite numerous prior attempts, how polymorphic aSyn fibrils differ in atomic structure remains elusive. He ...

    α-Synuclein (aSyn) fibrillar polymorphs have distinct in vitro and in vivo seeding activities, contributing differently to synucleinopathies. Despite numerous prior attempts, how polymorphic aSyn fibrils differ in atomic structure remains elusive. Here, we present fibril polymorphs from the full-length recombinant human aSyn and their seeding capacity and cytotoxicity in vitro. By cryo-electron microscopy helical reconstruction, we determine the structures of the two predominant species, a rod and a twister, both at 3.7 Å resolution. Our atomic models reveal that both polymorphs share a kernel structure of a bent β-arch, but differ in their inter-protofilament interfaces. Thus, different packing of the same kernel structure gives rise to distinct fibril polymorphs. Analyses of disease-related familial mutations suggest their potential contribution to the pathogenesis of synucleinopathies by altering population distribution of the fibril polymorphs. Drug design targeting amyloid fibrils in neurodegenerative diseases should consider the formation and distribution of concurrent fibril polymorphs.


    Organizational Affiliation

    Department of Neurology, David Geffen School of Medicine, UCLA, Los Angeles, CA, 90095, USA.,Departments of Biological Chemistry and Chemistry and Biochemistry, Howard Hughes Medical Institute, UCLA-DOE Institute, UCLA, Los Angeles, CA, 90095, USA. david@mbi.ucla.edu.,California Nano Systems Institute, UCLA, Los Angeles, CA, 90095, USA. hong.zhou@ucla.edu.,California Nano Systems Institute, UCLA, Los Angeles, CA, 90095, USA.,Department of Neurology, David Geffen School of Medicine, UCLA, Los Angeles, CA, 90095, USA. jianglin@ucla.edu.,Department of Microbiology, Immunology and Molecular Genetics, UCLA, Los Angeles, CA, 90095, USA. hong.zhou@ucla.edu.,Departments of Biological Chemistry and Chemistry and Biochemistry, Howard Hughes Medical Institute, UCLA-DOE Institute, UCLA, Los Angeles, CA, 90095, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Alpha-synuclein
E, A, B, C, D, F, G, H, I, J
140Homo sapiensMutation(s): 0 
Gene Names: SNCA (NACP, PARK1)
Find proteins for P37840 (Homo sapiens)
Go to Gene View: SNCA
Go to UniProtKB:  P37840
Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.6 Å
  • Aggregation State: FILAMENT 
  • Reconstruction Method: HELICAL 
Software Package:
Software NamePurpose
PHENIXrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
XSEDEUnited StatesMCB140140
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)United States1R01AI094386
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)United States1R01GM071940

Revision History 

  • Version 1.0: 2018-09-12
    Type: Initial release
  • Version 1.1: 2018-09-19
    Type: Data collection, Database references
  • Version 1.2: 2019-02-27
    Type: Data collection, Database references
  • Version 1.3: 2019-11-06
    Type: Author supporting evidence, Data collection
  • Version 1.4: 2019-12-18
    Type: Author supporting evidence, Other