10KR | pdb_000010kr

Cryo-EM structure of tau filament

• PDB DOI: https://doi.org/10.2210/pdb10KR/pdb
• EM Map EMD-75254: EMDB EMDataResource

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


• Deposited: 2026-01-25 Released: 2026-02-25 
• Deposition Author(s): Banerjee, V., Gorksi, D., Baker, M., Soto, C.
• Funding Organization(s): National Institutes of Health/National Institute on Aging (NIH/NIA)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.57 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: HELICAL 

Literature

Cryo-EM structure of tau filament (doublet)

Banerjee, V., Gorksi, D., Baker, M., Soto, C.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 10-mer - A10 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 459.52 kDa 
• Atom Count: 5,400 
• Modeled Residue Count: 710 
• Deposited Residue Count: 4,410 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Tau Filament	A, B [auth E], C [auth B], D, E [auth C], F, G [auth J], H [auth G], I, J [auth H]	441	Homo sapiens	Mutation(s): 0  Gene Names: MAPT

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.57 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: HELICAL 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	RELION	5.0

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-02-25 
Deposition Author(s): Banerjee, V., Gorksi, D., Baker, M., Soto, C.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute on Aging (NIH/NIA)	United States	--

Revision History  

• Version 1.0: 2026-02-25
  Type: Initial release