9HCA | pdb_00009hca

The L2A-II alpha-synuclein fibril in the presence of MODAG-005 (long incubation)

PDB DOI: https://doi.org/10.2210/pdb9HCA/pdb
EM Map EMD-52042: EMDB EMDataResource

Classification: PROTEIN FIBRIL
Organism(s): Homo sapiens
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2024-11-08 Released: 2025-11-19
Deposition Author(s): Frieg, B., Kim, M., Griesinger, C., Schroeder, G.F.
Funding Organization(s): Helmholtz Association, Max Planck Society, German Research Foundation (DFG)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 2.70 Å
Aggregation State: FILAMENT
Reconstruction Method: HELICAL

wwPDB Validation 3D Report Full Report

Validation slider image for 9HCA

This is version 1.1 of the entry. See complete history.

Literature

Structural insight into binding of novel PET tracer MODAG-005 to lipidic alpha-Synuclein fibrils

Kim, M., Matthes, D., Frieg, B., Leonov, A., Ryazanov, S., Bleher, D., Grotegerd, A.K., Dienemann, C., Giese, A., Schroder, G.F., Becker, S., Herfert, K., Groot, B.L.D., Andreas, L.B., Griesinger, C.

(2025) bioRxiv

DOI: https://doi.org/10.1101/2025.04.21.649837

Macromolecule Content

Total Structure Weight: 217.14 kDa
Atom Count: 7,560
Modeled Residue Count: 1,095
Deposited Residue Count: 2,100
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Alpha-synuclein	A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M, N, O	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
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P37840
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 2.70 Å
Aggregation State: FILAMENT
Reconstruction Method: HELICAL

Structure Validation

View Full Validation Report

View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2025-11-19

Deposition Author(s):

Schroeder, G.F.

Funding Organization	Location	Grant Number
Helmholtz Association	Germany	--
Max Planck Society	Germany	--
German Research Foundation (DFG)	Germany	--

Revision History (Full details and data files)

Version 1.0: 2025-11-19
Type: Initial release
Version 1.1: 2026-06-03
Changes: Data collection, Database references

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.