1iyt

Solution structure of the Alzheimer's disease amyloid beta-peptide (1-42)

Method: SOLUTION NMR
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1. Protein Identity and Related Structures Protein Identity & Related Structures

;Alzheimer's disease amyloid ;

OrganismNot specified

UniProt P05067

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 No other associated polymer Consistent with protein count

Other States of the Same Protein in the Database

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

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.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id1iyt
Deposition date deposition_date2002-09-06
Structure title titleSolution structure of the Alzheimer's disease amyloid beta-peptide (1-42)
Keywords keywordsAmyloid beta-peptide, Alzheimers disease, helix-kink-helix, PROTEIN BINDING; PROTEIN BINDING
Experimental Method methodSOLUTION NMR
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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

1iyt__assembly_1__model_6

Assembly 1 · Model 6 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1iyt__assembly_1__model_6 | I(q)

10-2 10-1 105 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1iyt__assembly_1__model_6 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg(Guinier)16.09 Å
Rg (electron density)15.73 Å
Total Rg16.53 Å
Atom count636
Residues42
Excluded volume5635 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1iyt__assembly_1__model_1 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 1iyt__assembly_1__model_2 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 1iyt__assembly_1__model_3 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 1iyt__assembly_1__model_4 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 1iyt__assembly_1__model_5 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 1iyt__assembly_1__model_6 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 1iyt__assembly_1__model_7 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 1iyt__assembly_1__model_8 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 1iyt__assembly_1__model_9 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 1iyt__assembly_1__model_10 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (1)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1iyta_
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_id1iytA00
Class class4 — Few Secondary Structures
Architecture architecture10 — Irregular
Topology topology230 — Amyloid A4
Homologous superfamily homologous superfamily10 — Amyloidogenic glycoprotein, amyloid-beta peptide
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7. Citations (1)