9o8e

amyloid fibril of recombinant full-length 2N4R tau complexed with unfractionated mouse liver RNA and seeded by Alzheimer's disease tau fibrils

Method: ELECTRON MICROSCOPY Dmax: 89.6 Å Quality: GOOD

1. Protein Identity and Related Structures Protein Identity & Related Structures

Isoform Tau-F of Microtubule-associated protein tau

Homo sapiens

UniProt P10636

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein homooligomer Homooligomer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain A; UniProt 1–441 Chain B; UniProt 1–441 Chain C; UniProt 1–441 Chain D; UniProt 1–441 Chain E; UniProt 1–441 Not recorded No other associated polymer ELECTRON MICROSCOPY cryo-EM buffer:pH 7 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.10 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

248 other PDB entries and 270 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TAU_HUMAN
Isoform P10636-8
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–441; UniProt 1–441 Author chain B; PDBConstruct 1–441; UniProt 1–441 Author chain C; PDBConstruct 1–441; UniProt 1–441 Author chain D; PDBConstruct 1–441; UniProt 1–441 Author chain E; PDBConstruct 1–441; UniProt 1–441

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 9o8e

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9o8e
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9o8e
Deposition date deposition_date2025-04-15
Structure title titleamyloid fibril of recombinant full-length 2N4R tau complexed with unfractionated mouse liver RNA and seeded by Alzheimer's disease tau fibrils
Keywords keywordsamyloid fibril, PROTEIN FIBRIL; PROTEIN FIBRIL
Experimental Method methodELECTRON MICROSCOPY

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier27.78
Radius of gyration Rg (electron density) rg_electron27.47
Forward intensity I(0) i063431600.00
Molecular weight molecular_weight59116.0 kDa
Excluded volume excluded_volume72761 ų
Envelope volume envelope_volume90670 ų
Hydration-shell volume shell_volume28032 ų
Envelope diameter envelope_diameter94.0
Shell Rg shell_rg34.40
Envelope Rg envelope_rg27.72
Shape Rg shape_rg27.41
Total Rg total_rg28.33
Total atoms total_atoms4165
Residues n_residues545
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax89.6
Rg (real space) rg_real27.85
Rg uncertainty (real space) rg_real_error0.75
I(0) (real space) i0_real6.3430e+07
I(0) uncertainty (real space) i0_real_error1.0570e+06
Rg (reciprocal space) rg_reciprocal27.83
I(0) (reciprocal space) i0_reciprocal63430000.0000
Solution quality estimate total_estimate0.8967
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary26.7
Skewness Skewness skewness0.348
Kurtosis Kurtosis kurtosis-0.493
Angular range angular_range— – 0.2850 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha10470000.0000
Real-space data points n_real_points58
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.917; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.953; Smooth: 0.949

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

8. Citations (1)

9. Files and Curves (10)