9XEP | pdb_00009xep

Type Ic alpha-synuclein filament amplified by One-Spin RT-QuIC from human plasma

PDB DOI: https://doi.org/10.2210/pdb9XEP/pdb
EM Map EMD-66792: EMDB EMDataResource

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

Deposited: 2025-10-28 Released: 2026-11-04
Deposition Author(s): Liu, Y., Shi, Y.
Funding Organization(s): National Natural Science Foundation of China (NSFC)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 2.83 Å
Aggregation State: FILAMENT
Reconstruction Method: HELICAL

wwPDB Validation 3D Report Full Report

Validation slider image for 9XEP

This is version 1.0 of the entry. See complete history.

Literature

Rapid Parkinson's Disease Diagnosis Using One-Spin RT-QuIC on Plasma Extracellular Vesicles: A Pilot Study

Yan, Y., Hu, C., Jin, Y., Liu, Y., Liu, T., Zheng, R., Chen, Y., Liu, Y., Yan, Y., Zhang, B., Shi, Y., Pu, J., Zhong, Z.

To be published.

Macromolecule Content

Total Structure Weight: 86.86 kDa
Atom Count: 2,310
Modeled Residue Count: 342
Deposited Residue Count: 840
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	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: 2.83 Å
Aggregation State: FILAMENT
Reconstruction Method: HELICAL

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.21_5207
RECONSTRUCTION	PHENIX

Structure Validation

View Full Validation Report

View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2026-11-04

Deposition Author(s):

Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	82071424
National Natural Science Foundation of China (NSFC)	China	82371415

Revision History (Full details and data files)

Version 1.0: 2026-11-04
Type: Initial release