3nyj

Crystal Structure Analysis of APP E2 domain

Method: X-RAY DIFFRACTION Dmax: 95.8 Å Quality: REASONABLE

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

Amyloid beta A4 protein

Homo sapiens

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 365–567 Non-standard monomer:Yes (specific site not provided by mmCIF) OS OSMIUM ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 5.6;298 K;20% PEG 4000, 20% isopropanol, 0.1M Na Citrate, pH 5.6, vapor diffusion, temperature 298K Resolution 3.20 Å R-free 0.380

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 5–207; UniProt 365–567

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 3nyj

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3nyj
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3nyj
Deposition date deposition_date2010-07-15
Structure title titleCrystal Structure Analysis of APP E2 domain
Keywords keywords;Alzheimer's disease, helical hairpin, PROTEIN FIBRIL ;; PROTEIN FIBRIL
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier24.65
Radius of gyration Rg (electron density) rg_electron25.97
Forward intensity I(0) i07230210.00
Molecular weight molecular_weight17839.0 kDa
Excluded volume excluded_volume21237 ų
Envelope volume envelope_volume30952 ų
Hydration-shell volume shell_volume12349 ų
Envelope diameter envelope_diameter97.5
Shell Rg shell_rg27.24
Envelope Rg envelope_rg26.24
Shape Rg shape_rg26.13
Total Rg total_rg25.74
Total atoms total_atoms1227
Residues n_residues173
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 dmax95.8
Rg (real space) rg_real25.33
Rg uncertainty (real space) rg_real_error1.10
I(0) (real space) i0_real7.2300e+06
I(0) uncertainty (real space) i0_real_error1.0850e+05
Rg (reciprocal space) rg_reciprocal25.17
I(0) (reciprocal space) i0_reciprocal7229000.0000
Solution quality estimate total_estimate0.7166
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary94.3
Skewness Skewness skewness0.765
Kurtosis Kurtosis kurtosis0.141
Angular range angular_range— – 0.3200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha507000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.434; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.073; Smooth: 0.936

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id3nyjA00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology120 — Four Helix Bundle (Hemerythrin (Met), subunit A)
Homologous superfamily homologous superfamily770 — Amyloid precursor protein, E2 domain

8. Citations (1)

9. Files and Curves (10)