9O8H | pdb_00009o8h

amyloid fibril of recombinant full-length 2N4R tau complexed with mouse liver 18S ribosomal RNA

PDB DOI: https://doi.org/10.2210/pdb9O8H/pdb
EM Map EMD-70227: EMDB EMDataResource

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

Deposited: 2025-04-15 Released: 2026-03-18
Deposition Author(s): Jiang, Y.X., Sawaya, M.R., Abskharon, R., Ge, P., Boyer, D.R., Eisenberg, D.S.
Funding Organization(s): National Institutes of Health/National Institute on Aging (NIH/NIA)

Experimental Data Snapshot

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

wwPDB Validation 3D Report Full Report

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

Literature

RNA contributes to polymorphism of tau amyloid fibrils

Abskharon, R., Jiang, Y.X., Ge, P., Sawaya, M.R., Zhang, J., Boyer, D.R., Dolinsky, J.L., Cascio, D., Guo, F., Eisenberg, D.S.

To be published.

Macromolecule Content

Total Structure Weight: 470.26 kDa
Atom Count: 6,390
Modeled Residue Count: 700
Deposited Residue Count: 4,490
Unique protein chains: 1

Macromolecules

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Isoform Tau-F of Microtubule-associated protein tau	A, B, C, D, E A, B, C, D, E, F, G, H, I, J	449	Homo sapiens	Mutation(s): 0 Gene Names: MAPT, MAPTL, MTBT1, TAU
UniProt & NIH Common Fund Data Resources
Find proteins for P10636 (Homo sapiens) Go to UniProtKB: P10636
PHAROS: P10636 GTEx: ENSG00000186868
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P10636-8
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
CL Query on CL Download Ideal Coordinates CCD File SDF format, chain K [auth A] SDF format, chain L [auth B] SDF format, chain M [auth C] SDF format, chain N [auth D] SDF format, chain O [auth E] SDF format, chain P [auth F] SDF format, chain Q [auth G] SDF format, chain R [auth H] SDF format, chain S [auth I] SDF format, chain T [auth J] MOL2 format, chain K [auth A] MOL2 format, chain L [auth B] MOL2 format, chain M [auth C] MOL2 format, chain N [auth D] MOL2 format, chain O [auth E] MOL2 format, chain P [auth F] MOL2 format, chain Q [auth G] MOL2 format, chain R [auth H] MOL2 format, chain S [auth I] MOL2 format, chain T [auth J] mmCIF format, chain K [auth A] mmCIF format, chain L [auth B] mmCIF format, chain M [auth C] mmCIF format, chain N [auth D] mmCIF format, chain O [auth E] mmCIF format, chain P [auth F] mmCIF format, chain Q [auth G] mmCIF format, chain R [auth H] mmCIF format, chain S [auth I] mmCIF format, chain T [auth J]	K [auth A] L [auth B] M [auth C] N [auth D] O [auth E] K [auth A], L [auth B], M [auth C], N [auth D], O [auth E], P [auth F], Q [auth G], R [auth H], S [auth I], T [auth J]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M		Interactions Focus chain K [auth A] Focus chain L [auth B] Focus chain M [auth C] Focus chain N [auth D] Focus chain O [auth E] Focus chain P [auth F] Focus chain Q [auth G] Focus chain R [auth H] Focus chain S [auth I] Focus chain T [auth J] Interactions & Density Focus chain K [auth A] Focus chain L [auth B] Focus chain M [auth C] Focus chain N [auth D] Focus chain O [auth E] Focus chain P [auth F] Focus chain Q [auth G] Focus chain R [auth H] Focus chain S [auth I] Focus chain T [auth J]

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	1.21_5207

Structure Validation

View Full Validation Report

Entry History & Funding Information

Deposition Data

Released Date: 2026-03-18

Deposition Author(s):

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute on Aging (NIH/NIA)	United States	R01 AG070895
National Institutes of Health/National Institute on Aging (NIH/NIA)	United States	RF1 AG065407