12AQ | pdb_000012aq

Cryo-EM structure of alpha-synuclein filaments (doublet) from Parkinson's disease with A53T mutation in SNCA

PDB DOI: https://doi.org/10.2210/pdb12AQ/pdb
EM Map EMD-76267: EMDB EMDataResource

Classification: PROTEIN FIBRIL
Organism(s): Homo sapiens
Mutation(s): No

Deposited: 2026-03-23 Released: 2026-10-07
Deposition Author(s): Zhang, H., Yang, Y.
Funding Organization(s): Other private

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 2.10 Å
Aggregation State: FILAMENT
Reconstruction Method: HELICAL

wwPDB Validation 3D Report Full Report

Validation slider image for 12AQ

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

Literature

Cryo-EM structure of alpha-synuclein filaments (doublet) from Parkinson's disease with A53T mutation in SNCA

Zhang, H., Yang, Y.

To be published.

Macromolecule Content

Total Structure Weight: 15.29 kDa
Atom Count: 542
Modeled Residue Count: 79
Deposited Residue Count: 149
Unique protein chains: 2

Macromolecules

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Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Alpha-synuclein	A [auth J]	140	Homo sapiens	Mutation(s): 0
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

Find similar proteins by: Sequence | 3D Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
island B	B [auth K]	9	Homo sapiens	Mutation(s): 0
Sequence Annotations Expand
Reference Sequence

Small Molecules

Modified Residues 1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
UNK Query on UNK	B [auth K]	L-PEPTIDE LINKING	C₄ H₉ N O₂		--

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 2.10 Å
Aggregation State: FILAMENT
Reconstruction Method: HELICAL

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	REFMAC	5.8.0430
RECONSTRUCTION	Servalcat

Structure Validation

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View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2026-10-07

Deposition Author(s):

Funding Organization	Location	Grant Number
Other private	United States	--

Revision History (Full details and data files)

Version 1.0: 2026-10-07
Type: Initial release