1aml

THE ALZHEIMER`S DISEASE AMYLOID A4 PEPTIDE (RESIDUES 1-40)

Method: SOLUTION NMR Dmax: 45.2 Å Quality: REASONABLE

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

AMYLOID A4

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 672–711 Not recorded No other associated polymer SOLUTION NMR mmCIF provides none of the parsed experimental conditions 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 1–40; UniProt 672–711

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 1aml

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1aml
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1aml
Deposition date deposition_date1995-02-13
Structure title titleTHE ALZHEIMER`S DISEASE AMYLOID A4 PEPTIDE (RESIDUES 1-40)
Keywords keywordsSERINE PROTEASE INHIBITOR; SERINE PROTEASE INHIBITOR
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier13.02
Radius of gyration Rg (electron density) rg_electron12.87
Forward intensity I(0) i0111940000.00
Molecular weight molecular_weight86537.0 kDa
Excluded volume excluded_volume107620 ų
Envelope volume envelope_volume25643 ų
Hydration-shell volume shell_volume14215 ų
Envelope diameter envelope_diameter50.4
Shell Rg shell_rg21.22
Envelope Rg envelope_rg15.62
Shape Rg shape_rg12.83
Total Rg total_rg13.39
Total atoms total_atoms11960
Residues n_residues800
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 dmax45.2
Rg (real space) rg_real13.01
Rg uncertainty (real space) rg_real_error0.44
I(0) (real space) i0_real1.1190e+08
I(0) uncertainty (real space) i0_real_error1.2720e+06
Rg (reciprocal space) rg_reciprocal13.01
I(0) (reciprocal space) i0_reciprocal111900000.0000
Solution quality estimate total_estimate0.6363
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary17.2
Skewness Skewness skewness0.207
Kurtosis Kurtosis kurtosis-0.459
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha65930.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.778; Stabil: 0.994; Sysdev: 0.368; Positv: 1.000; Valcen: 0.847; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1amla_
Class classj — Peptides
Fold Fold foldj.42 — Amyloid peptides
Superfamily Superfamily superfamilyj.42.1 — Amyloid peptides
Family Family familyj.42.1.1 — Amyloid peptides

CATH v4.4 (1 domains)

Domain ID domain_id1amlA00
Class class4 — Few Secondary Structures
Architecture architecture10 — Irregular
Topology topology230 — Amyloid A4
Homologous superfamily homologous superfamily10 — Amyloidogenic glycoprotein, amyloid-beta peptide

8. Citations (1)

9. Files and Curves (10)