8cz2

CryoEM structure of amplified alpha-synuclein fibril class A type I with extended core from DLB case VII

Method: ELECTRON MICROSCOPY Dmax: 125.9 Å Quality: GOOD

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 × 12 PDB declaration: dodecameric(12) 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 Chain I; UniProt 1–140 Chain J; UniProt 1–140 Chain K; UniProt 1–140 Chain L; UniProt 1–140 Chain M; UniProt 1–140 Chain N; UniProt 1–140 Not recorded No other associated polymer ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4;Gibco Cat # 10010072 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 Author chain I; PDBConstruct 1–140; UniProt 1–140 Author chain J; PDBConstruct 1–140; UniProt 1–140 Author chain K; PDBConstruct 1–140; UniProt 1–140 Author chain L; PDBConstruct 1–140; UniProt 1–140 Author chain M; PDBConstruct 1–140; UniProt 1–140 Author chain N; 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 8cz2

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8cz2
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8cz2
Deposition date deposition_date2022-05-24
Structure title titleCryoEM structure of amplified alpha-synuclein fibril class A type I with extended core from DLB case VII
Keywords keywordsalpha-synuclein, Cerebrospinal Fluid (CSF), PROTEIN FIBRIL; PROTEIN FIBRIL
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier34.59
Radius of gyration Rg (electron density) rg_electron34.46
Forward intensity I(0) i0106124000.00
Molecular weight molecular_weight84842.0 kDa
Excluded volume excluded_volume107890 ų
Envelope volume envelope_volume147260 ų
Hydration-shell volume shell_volume37163 ų
Envelope diameter envelope_diameter130.4
Shell Rg shell_rg39.63
Envelope Rg envelope_rg34.16
Shape Rg shape_rg34.43
Total Rg total_rg34.96
Total atoms total_atoms5964
Residues n_residues864
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 dmax125.9
Rg (real space) rg_real34.83
Rg uncertainty (real space) rg_real_error1.30
I(0) (real space) i0_real1.0610e+08
I(0) uncertainty (real space) i0_real_error1.7870e+06
Rg (reciprocal space) rg_reciprocal34.68
I(0) (reciprocal space) i0_reciprocal106100000.0000
Solution quality estimate total_estimate0.8362
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary32.8
Skewness Skewness skewness0.517
Kurtosis Kurtosis kurtosis-0.234
Angular range angular_range— – 0.2300 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha12090000.0000
Real-space data points n_real_points47
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.693; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.809; Smooth: 0.980

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

8. Citations (1)

9. Files and Curves (10)