9EUU | pdb_00009euu

Structure of recombinant alpha-synuclein fibrils 1B capable of seeding GCIs in vivo

• PDB DOI: https://doi.org/10.2210/pdb9EUU/pdb
• EM Map EMD-19986: EMDB EMDataResource

• Classification: PROTEIN FIBRIL
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2024-03-28 Released: 2024-06-05 
• Deposition Author(s): Burger, D., Kashyrina, M., Lewis, A., De Nuccio, F., Mohammed, I., de La Seigliere, H., van den Heuvel, L., Feuillie, C., Verchere, J., Berbon, M., Arotcarena, M., Retailleau, A., Bezard, E., Laferriere, F., Loquet, A., Bousset, L., Baron, T., Lofrumento, D.D., De Giorgi, F., Stahlberg, H., Ichas, F.
• Funding Organization(s): Swiss National Science Foundation

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 1.93 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: HELICAL 

Literature

Synthetic alpha-synuclein fibrils replicate in mice causing MSA-like pathology

Burger, D., Kashyrina, M., Lewis, A.J., De Nuccio, F., Mohammed, I., de La Seigliere, H., van den Heuvel, L., Verchere, J., Feuillie, C., Berbon, M., Arotcarena, M.L., Retailleau, A., Bezard, E., Laferriere, F., Loquet, A., Bousset, L., Baron, T., Lofrumento, D.D., De Giorgi, F., Stahlberg, H., Ichas, F.

(2025) Nature 

• DOI: https://doi.org/10.1038/s41586-025-09698-1

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 18-mer - A18 

Biological assembly 1 assigned by authors and generated by (software)

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 260.57 kDa 
• Atom Count: 7,578 
• Modeled Residue Count: 1,098 
• Deposited Residue Count: 2,520 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Alpha-synuclein	A [auth C], B [auth D], C [auth A], D [auth B], E, F, G, H, I [auth O], J [auth N], K [auth P], L [auth Q], M [auth R], N [auth I], O [auth J], P [auth K], Q [auth L], R [auth M]	140	Homo sapiens	Mutation(s): 0  Gene Names: SNCA, NACP, PARK1
UniProt & NIH Common Fund Data Resources
Find proteins for P37840 (Homo sapiens) Explore P37840  Go to UniProtKB:  P37840
PHAROS:  P37840 GTEx:  ENSG00000145335

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 1.93 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: HELICAL 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	dev_5240

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-06-05 
Deposition Author(s): Burger, D., Kashyrina, M., Lewis, A., De Nuccio, F., Mohammed, I., de La Seigliere, H., van den Heuvel, L., Feuillie, C., Verchere, J., Berbon, M., Arotcarena, M., Retailleau, A., Bezard, E., Laferriere, F., Loquet, A., Bousset, L., Baron, T., Lofrumento, D.D., De Giorgi, F., Stahlberg, H., Ichas, F.

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Funding Organization	Location	Grant Number
Swiss National Science Foundation	Switzerland	514605

Revision History  

• Version 1.0: 2024-06-05
  Type: Initial release
  
• Version 1.1: 2025-06-18
  Changes: Data collection, Database references, Structure summary
• Version 1.2: 2025-11-05
  Changes: Data collection, Database references