7xo1

Major polymorph in alpha-synuclein fibril seeded by cerebrospinal fluid from a mid-to-late stage (mid-PD-1) Parkinson's disease patient

Method: ELECTRON MICROSCOPY Dmax: 118.4 Å Quality: REASONABLE

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

Alpha-synuclein

Homo sapiens

UniProt P37840

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 × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain A; UniProt 1–140 Chain B; UniProt 1–140 Chain C; UniProt 1–140 Chain D; UniProt 1–140 Chain E; UniProt 1–140 Chain F; UniProt 1–140 Not recorded No other associated polymer ELECTRON MICROSCOPY cryo-EM buffer:pH 6.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.00 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.

226 other PDB entries and 234 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SYUA_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–140; UniProt 1–140 Author chain B; PDBConstruct 1–140; UniProt 1–140 Author chain C; PDBConstruct 1–140; UniProt 1–140 Author chain D; PDBConstruct 1–140; UniProt 1–140 Author chain E; PDBConstruct 1–140; UniProt 1–140 Author chain F; PDBConstruct 1–140; UniProt 1–140

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 7xo1

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7xo1
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7xo1
Deposition date deposition_date2022-04-30
Structure title titleMajor polymorph in alpha-synuclein fibril seeded by cerebrospinal fluid from a mid-to-late stage (mid-PD-1) Parkinson's disease patient
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_guinier33.56
Radius of gyration Rg (electron density) rg_electron34.05
Forward intensity I(0) i020382800.00
Molecular weight molecular_weight36258.0 kDa
Excluded volume excluded_volume46066 ų
Envelope volume envelope_volume64536 ų
Hydration-shell volume shell_volume17820 ų
Envelope diameter envelope_diameter122.9
Shell Rg shell_rg35.76
Envelope Rg envelope_rg33.77
Shape Rg shape_rg34.03
Total Rg total_rg34.31
Total atoms total_atoms2550
Residues n_residues372
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 dmax118.4
Rg (real space) rg_real33.89
Rg uncertainty (real space) rg_real_error1.56
I(0) (real space) i0_real2.0380e+07
I(0) uncertainty (real space) i0_real_error4.1630e+05
Rg (reciprocal space) rg_reciprocal33.69
I(0) (reciprocal space) i0_reciprocal20380000.0000
Solution quality estimate total_estimate0.6747
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary20.1
Skewness Skewness skewness0.364
Kurtosis Kurtosis kurtosis-0.837
Angular range angular_range— – 0.2350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha888900.0000
Real-space data points n_real_points48
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.525; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.192; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

8. Citations (1)

9. Files and Curves (10)