9jaz

Cryo-EM structure of the class I amyloid-beta 42 fibril containing a D-Asp at position 23

Method: ELECTRON MICROSCOPY Dmax: 70.4 Å Quality: EXCELLENT

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

Amyloid-beta precursor protein

OrganismNot specified

UniProt P05067

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 672–713 Chain AA; UniProt 672–713 Chain B; UniProt 672–713 Chain BB; UniProt 672–713 Chain C; UniProt 672–713 Chain CC; UniProt 672–713 Chain D; UniProt 672–713 Chain DD; UniProt 672–713 Chain E; UniProt 672–713 Chain EE; UniProt 672–713 Chain F; UniProt 672–713 Chain FF; UniProt 672–713 Non-standard monomer:Yes (specific site not provided by mmCIF) No other associated polymer ELECTRON MICROSCOPY cryo-EM buffer:pH 8 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.

211 other PDB entries and 282 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A4_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–42; UniProt 672–713 Author chain AA; PDBConstruct 1–42; UniProt 672–713 Author chain B; PDBConstruct 1–42; UniProt 672–713 Author chain BB; PDBConstruct 1–42; UniProt 672–713 Author chain C; PDBConstruct 1–42; UniProt 672–713 Author chain CC; PDBConstruct 1–42; UniProt 672–713 Author chain D; PDBConstruct 1–42; UniProt 672–713 Author chain DD; PDBConstruct 1–42; UniProt 672–713 Author chain E; PDBConstruct 1–42; UniProt 672–713 Author chain EE; PDBConstruct 1–42; UniProt 672–713 Author chain F; PDBConstruct 1–42; UniProt 672–713 Author chain FF; PDBConstruct 1–42; UniProt 672–713

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 9jaz

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9jaz
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id9jaz
Deposition date deposition_date2024-08-26
Structure title titleCryo-EM structure of the class I amyloid-beta 42 fibril containing a D-Asp at position 23
Keywords keywordsaggregation, PROTEIN FIBRIL; PROTEIN FIBRIL
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier22.53
Radius of gyration Rg (electron density) rg_electron21.22
Forward intensity I(0) i027378000.00
Molecular weight molecular_weight42686.0 kDa
Excluded volume excluded_volume54536 ų
Envelope volume envelope_volume61731 ų
Hydration-shell volume shell_volume24019 ų
Envelope diameter envelope_diameter72.5
Shell Rg shell_rg28.21
Envelope Rg envelope_rg21.57
Shape Rg shape_rg21.16
Total Rg total_rg22.33
Total atoms total_atoms3012
Residues n_residues396
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 dmax70.4
Rg (real space) rg_real22.43
Rg uncertainty (real space) rg_real_error0.38
I(0) (real space) i0_real2.7380e+07
I(0) uncertainty (real space) i0_real_error3.5690e+05
Rg (reciprocal space) rg_reciprocal22.46
I(0) (reciprocal space) i0_reciprocal27380000.0000
Solution quality estimate total_estimate0.9074
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary28.8
Skewness Skewness skewness0.196
Kurtosis Kurtosis kurtosis-0.487
Angular range angular_range— – 0.3550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha8519000.0000
Real-space data points n_real_points67
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.933; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.996

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

8. Citations (1)

9. Files and Curves (10)