10NQ | pdb_000010nq

u-VT Ic tau filament from VT Case 1

• PDB DOI: https://doi.org/10.2210/pdb10NQ/pdb
• EM Map EMD-75310: EMDB EMDataResource

• Classification: STRUCTURAL PROTEIN
• Organism(s): Homo sapiens
• Mutation(s): No 


• Deposited: 2026-01-29 Released: 2026-09-02 
• Deposition Author(s): Watanabe, R., Lee, E.B.
• Funding Organization(s): National Institutes of Health/National Institute on Aging (NIH/NIA), National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.61 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: HELICAL 

Literature

Repositioning of polyubiquitin alters the pathologic tau filament structure

Watanabe, R., Creekmore, B.C., Darwich, N.F., Smith, C.L., Xu, H., Baltazar, A., Salphati, S., Changolkar, L., Hoxha, K., Zhang, B., O'Rourke, C.M., Burslem, G.M., Lee, V.M.-Y., Chang, Y.-W., Lee, E.B.

(2026) Nat Struct Mol Biol 

• DOI: https://doi.org/10.1038/s41594-026-01879-4

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 18-mer - A18 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 147.32 kDa 
• Atom Count: 10,332 
• Modeled Residue Count: 1,350 
• Deposited Residue Count: 1,350 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Microtubule-associated protein tau	A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R	75	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for P10636 (Homo sapiens) Explore P10636  Go to UniProtKB:  P10636
PHAROS:  P10636 GTEx:  ENSG00000186868

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.61 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: HELICAL 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX
RECONSTRUCTION	RELION

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-09-02 
Deposition Author(s): Watanabe, R., Lee, E.B.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute on Aging (NIH/NIA)	United States	RF1 AG065341
National Institutes of Health/National Institute on Aging (NIH/NIA)	United States	P30 AG072979
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	R35 GM142505

Revision History  

• Version 1.0: 2026-09-02
  Type: Initial release