9XHX | pdb_00009xhx

The cryo-EM structure of PBB3 bound Tau PHF fibril

PDB DOI: https://doi.org/10.2210/pdb9XHX/pdb
EM Map EMD-66889: EMDB EMDataResource

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

Deposited: 2025-11-02 Released: 2026-11-04
Deposition Author(s): Zhao, Q.Y., Cao, T.Y., Liu, C., Li, D.
Funding Organization(s): Not funded

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.60 Å
Aggregation State: FILAMENT
Reconstruction Method: HELICAL

wwPDB Validation 3D Report Full Report

Validation slider image for 9XHX

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

Literature

The cryo-EM structure of PBB3 bound Tau PHF fibril

Zhao, Q.Y., Cao, T.Y., Liu, C., Li, D.

To be published.

Macromolecule Content

Total Structure Weight: 84.94 kDa
Atom Count: 5,958
Modeled Residue Count: 770
Deposited Residue Count: 770
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Isoform PNS-tau of Microtubule-associated protein tau	A B C D [auth E] E [auth F] A, B, C, D [auth E], E [auth F], F [auth G], G [auth H], H [auth I], I [auth J], J [auth L]	77	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
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P10636
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
A1E0D (Subject of Investigation/LOI) Query on A1E0D Download:Ideal Coordinates CCD File SDF format, chain N [auth L] SDF format, chain M [auth J] SDF format, chain L [auth H] SDF format, chain K [auth F] MOL2 format, chain N [auth L] MOL2 format, chain M [auth J] MOL2 format, chain L [auth H] MOL2 format, chain K [auth F] mmCIF format, chain N [auth L] mmCIF format, chain M [auth J] mmCIF format, chain L [auth H] mmCIF format, chain K [auth F]	K [auth F], L [auth H], M [auth J], N [auth L]	2-[(1~{E},3~{E})-4-[6-(methylamino)pyridin-3-yl]buta-1,3-dienyl]-1,3-benzothiazol-6-ol C₁₇ H₁₅ N₃ O S LBCRWMJTAFCLCL-ZUVMSYQZSA-N		Interactions Focus chain K [auth F] Focus chain L [auth H] Focus chain M [auth J] Focus chain N [auth L] Interactions & Density Focus chain K [auth F] Focus chain L [auth H] Focus chain M [auth J] Focus chain N [auth L]

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.60 Å
Aggregation State: FILAMENT
Reconstruction Method: HELICAL

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.15.2_3472
RECONSTRUCTION	RELION	5.0

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
Not funded		--

Revision History (Full details and data files)

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