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(Des-Glu²²)-Amyloid β-Protein (1-40) trifluoroacetate salt
H-Asp-Ala-Glu-Phe-Arg-His-Asp-Ser-Gly-Tyr-Glu-Val-His-His-Gln-Lys-Leu-Val-Phe-Phe-Ala-Asp-Val-Gly-Ser-Asn-Lys-Gly-Ala-Ile-Ile-Gly-Leu-Met-Val-Gly-Gly-Val-Val-OH trifluoroacetate salt


Product No. Pack Size Available ADS InfoAnalytical Data Sheet List Price Online Order Price Qty
4091431.0500 0.5 mg Ships within 1 business day ADSExemplary Data Sheet of a current available lot.
CHF 209.00
CHF 194.37 (7%)
4091431.1000 1 mg Ships within 3-5 business days  
CHF 357.00
CHF 332.01 (7%)


The Osaka mutation was the first deletion-type mutation to be identified in APP and Aβ. The Aβ E22delta mutant is more resistant to degradation by two major Aβ-degrading enzymes, neprilysin and insulin-degrading enzyme. Synthetic mutant Aβ showed unusual aggregation properties with enhanced oligomerization but no fibrillization. It also inhibited hippocampal long-term potentiation more efficiently than wild-type Aβ. A transgenic mouse model containing APP with the E693delta mutation has been developed. APP(OSK)-Tg mice exhibit intraneuronal Aβ E22delta oligomers and memory impairment as early as eight months of age.
Catalog Number H-7474
Synonyms Amyloid β-Protein (1-40) Osaka or Japanese Mutation, Amyloid β-Protein (1-40) E22Δ
Molecular Formula C₁₈₉H₂₈₈N₅₂O₅₅S
Relative Molecular Mass 4200.75
CAS Registry Number 1678416-36-8
Source Synthetic
Storage Conditions -20 ± 5 °C
Application Alzheimer's Disease