2bp4

Zinc-binding domain of Alzheimer's disease amyloid beta-peptide in TFE-water (80-20) solution

Method: SOLUTION NMR Dmax: 32.2 Å Quality: REASONABLE

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

AMYLOID BETA A4 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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 672–687 Fragment:;16-MER FRAGMENT BETWEEN THE BETA AND ALPHA SECRETASES CLEAVAGE SITES OF ALZHEIMER'S DISEASE AMYLOID A4 PROTEIN, RESIDUES 672-687 ; No other associated polymer SOLUTION NMR NMR measurement conditions:pH 3;298 K;Pressure 1.0 NMR sample composition:80 % TFE-D2OH / 20 % H2O Resolution not provided

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 1–16; UniProt 672–687

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 2bp4

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2bp4
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2bp4
Deposition date deposition_date2005-04-18
Structure title titleZinc-binding domain of Alzheimer's disease amyloid beta-peptide in TFE-water (80-20) solution
Keywords keywords;HELIX, ALZHEIMER'S DISEASE, AMYLOID, AMYLOID PEPTIDE, BETA-AMYLOID PROTEIN ;; AMYLOID PEPTIDE
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier7.99
Radius of gyration Rg (electron density) rg_electron8.25
Forward intensity I(0) i029500200.00
Molecular weight molecular_weight39060.0 kDa
Excluded volume excluded_volume46157 ų
Envelope volume envelope_volume5149 ų
Hydration-shell volume shell_volume5079 ų
Envelope diameter envelope_diameter35.5
Shell Rg shell_rg14.14
Envelope Rg envelope_rg10.25
Shape Rg shape_rg8.19
Total Rg total_rg8.67
Total atoms total_atoms5120
Residues n_residues320
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 dmax32.2
Rg (real space) rg_real8.15
Rg uncertainty (real space) rg_real_error0.50
I(0) (real space) i0_real2.9500e+07
I(0) uncertainty (real space) i0_real_error3.4150e+05
Rg (reciprocal space) rg_reciprocal8.15
I(0) (reciprocal space) i0_reciprocal29500000.0000
Solution quality estimate total_estimate0.6938
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary6.9
Skewness Skewness skewness0.594
Kurtosis Kurtosis kurtosis-0.305
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1634.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.348; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.038; Smooth: 0.935

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

7. Fold Classification (SCOP + CATH) 1 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2bp4a_
Class classj — Peptides
Fold Fold foldj.42 — Amyloid peptides
Superfamily Superfamily superfamilyj.42.1 — Amyloid peptides
Family Family familyj.42.1.1 — Amyloid peptides

8. Citations (1)

9. Files and Curves (10)