Modified Amyloid Beta 1-40 Conjugation Peptide

Product Name
Modified Amyloid Beta 1-40 Conjugation Peptide
Product Quantity
4 mg
Purity
>95%
Catalog Number
LT8740
Peptide Type
Amyloid-beta research peptide
Sequence
DAEFRHDSGYEVHHQKLVFFAEDVG-{Lys(N3)-(DBCO-Maleimide)}-NKGAIIGLMVGGVV
Published / Parent Sequence
DAEFRHDSGYEVHHQKLVFFAEDVGSNKGAIIGLMVGGVV
Modification
Maleimide on Lys side chain via DBCO-azide chemistry, Solubility test
Product Description

Modified Amyloid Beta 1-40 Conjugation Peptide is derived from the amyloid-beta sequence generated from human amyloid-beta precursor protein (APP). The canonical Aβ region is publicly curated within human APP UniProtKB entry P05067.

Amyloid Beta Research Peptides

Amyloid-beta peptides are central research reagents in studies of peptide aggregation, amyloid fibril formation, membrane interactions, proteolytic processing, antibody recognition, and analytical assay development. Aβ1-40 and Aβ1-42 are the two most widely studied C-terminal forms.

Aβ1-42 contains two additional C-terminal residues relative to Aβ1-40 and generally displays stronger aggregation propensity under many experimental conditions. Sequence, concentration, solvent history, pre-treatment, and incubation conditions can all strongly affect aggregation state.

Aβ1-40 Parent Sequence

DAEFRHDSGYEVHHQKLVFFAEDVGSNKGAIIGLMVGGVV

Inserted Lysine Conjugation Handle

LT8740 is based on the public Aβ1-40 sequence and contains an added modified lysine conjugation element in the central region. The Lys(N3)-derived functionality is coupled through DBCO/maleimide chemistry, creating a site for attachment of an additional research component.

Because this is a chemically modified Aβ analog rather than native Aβ1-40, researchers should validate its aggregation, binding, and structural behavior for each intended assay.

Potential Research Applications

  • Amyloid aggregation studies
  • LC-MS analytical methods
  • Antibody binding assays
  • Peptide-protein interaction studies
  • Fluorescent or chemical conjugation
  • Reference-standard development

For aggregation-sensitive studies, peptide handling and pre-treatment procedures should be standardized across experiments.

References

UniProt Consortium APP - Amyloid-beta precursor protein - Homo sapiens. UniProtKB P05067.
Public source / publication

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Research Use Only. Not for human, diagnostic, clinical, or therapeutic use.

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