9AXZ | pdb_00009axz

geranine G-induced 2N4R tau filaments

• PDB DOI: https://doi.org/10.2210/pdb9AXZ/pdb
• EM Map EMD-43977: EMDB EMDataResource

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


• Deposited: 2024-03-06 Released: 2025-09-10 
• Deposition Author(s): Malyshka, D., Kuret, J.
• Funding Organization(s): National Institutes of Health/National Institute on Aging (NIH/NIA)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.30 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: HELICAL 

Literature

Submission name: Cryo-EM visualization of tau aggregation inducer-interaction sites reveals triggers of tau fibrillation and drivers of small-molecule binding

Malyshka, D., Kuret, J.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Homo 6-mer - A6 

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

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 277.19 kDa 
• Atom Count: 2,745 
• Modeled Residue Count: 348 
• Deposited Residue Count: 2,646 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Isoform Tau-F of Microtubule-associated protein tau	A, B, C, D, E, F	441	Homo sapiens	Mutation(s): 0  Gene Names: MAPT, MAPTL, MTBT1, TAU
UniProt & NIH Common Fund Data Resources
Find proteins for P10636 (Homo sapiens) Explore P10636  Go to UniProtKB:  P10636
PHAROS:  P10636 GTEx:  ENSG00000186868

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
A1AHG (Subject of Investigation/LOI)	G [auth B], H [auth B], I [auth F]	4-hydroxy-3-{(E)-[4-(6-methyl-1,3-benzothiazol-2-yl)phenyl]diazenyl}naphthalene-2,7-disulfonic acid C24 H17 N3 O7 S3 QXYINOHLUDLCKU-CYYJNZCTSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.30 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: HELICAL 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.20.1_4487:

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2025-09-10 
Deposition Author(s): Malyshka, D., Kuret, J.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute on Aging (NIH/NIA)	United States	F30 AG079573
National Institutes of Health/National Institute on Aging (NIH/NIA)	United States	RF1 AG04518

Revision History  

• Version 1.0: 2025-09-10
  Type: Initial release