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Art. -Nr.: HY-P1468

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β-Amyloid (1-28)

(Synonyms: Amyloid β-Protein (1-28))

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β-Amyloid (1-28) is a β-Amyloid protein fragment involved in metal binding. Beta-amyloid is a peptide that forms amyloid plaques in the brains of Alzheimer's disease (AD) patients.

Nur für Forschungszwecke. Wir verkaufen nicht an Patienten.

Reinheit: 96.57%
CAS. Nr.: 109770-29-8
Formel: C₁₄₅H₂₀₉N₄₁O₄₆
Molecular Weight:3262.51

Speicherung:

Sealed storage, away from moisture.

Powder -80°C, 2 years , -20°C, 1 year

* The compound is unstable in solutions, freshly prepared is recommended.

β-Amyloid (1-28) Chemical Structure

CAS. Nr.: 109770-29-8

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Top Publications Citing

Use of MCE Products

Fluorescent Dye

Strong Fluorescence Signal / Multi-Disciplinary Applications / High Fluorescence Specificity

Biologische Aktivität
- Beschreibung
- IC₅₀ & Target
- In Vitro
- In Vivo
Chemical Information
Lösungsmittel & Löslichkeit
- In Vitro
Reinheit & Dokumentation
Verweise
Help & FAQs
Classifications
Bioz

Biologische Aktivität

Beschreibung

β-Amyloid (1-28) is a β-Amyloid protein fragment involved in metal binding. Beta-amyloid is a peptide that forms amyloid plaques in the brains of Alzheimer's disease (AD) patients.

IC₅₀ & Target

Amyloid-β^[1]

In Vitro

β-Amyloid Aggregation Guidelines (Following is our recommended protocol. This protocol only provides a guideline, and should be modified according to your specific needs).
1. Solid Aβ peptide was dissolved in cold hexafluoro-2-propanol (HFIP). The peptide was incubated at room temperature for at least 1h to establish monomerization and randomization of structure.
2. The HFIP was removed by evaporation, and the resulting peptide was stored as a film at -20 or -80 °C.
3. The resulting film was dissolved in anhydrous DMSO at 5 mM and then diluted into the appropriate concentration and buffer (serum- and phenol red-free culture medium) with vortexing.
4. Next, the solution was age 48h at 4-8 °C. The sample was then centrifuged at 14000g for 10 min at 4-8 °C; the soluble oligomers were in the supernatant. The supernatant was diluted 10-200-fold for experiments.

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

In Vivo

β-Amyloid (1-28) fragment is considered as valid models to examine the contribution of the key histidine residues (His , His in mouse and His , His , His in human fragments) to the Ab–Cu²⁺ interaction^[1]. Copper binds to β-Amyloid (1-28) at pH 7.4 with an affinity of K_a10 ⁷ M^-1^[2].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Chemical Information

CAS. Nr. 109770-29-8
Appearance Solid
Molecular Weight 3262.51
Formel C₁₄₅H₂₀₉N₄₁O₄₆
Color White to off-white
Synonyms

Amyloid β-Protein (1-28)
Sequence

Asp-Ala-Glu-Phe-Arg-His-Asp-Ser-Gly-Tyr-Glu-Val-His-His-Gln-Lys-Leu-Val-Phe-Phe-Ala-Glu-Asp-Val-Gly-Ser-Asn-Lys
Sequence Shortening

DAEFRHDSGYEVHHQKLVFFAEDVGSNK
Versand

Room temperature in continental US; may vary elsewhere.

Speicherung

Sealed storage, away from moisture

Powder	-80°C	2 years
	-20°C	1 year

* The compound is unstable in solutions, freshly prepared is recommended.

Lösungsmittel & Löslichkeit

In Vitro:

0.1 M NaOH : ≥ 33.33 mg/mL (10.22 mM)

* "≥" means soluble, but saturation unknown.

View the Complete Stock Solution Preparation Table

Preparing Stock Solutions

View the Complete Stock Solution Preparation Table

Concentration Solvent Mass

1 mg

5 mg

10 mg

Concentration

Solvent

Mass

1 mM

0.3065 mL

1.5326 mL

3.0651 mL

5 mM

0.0613 mL

0.3065 mL

0.6130 mL

10 mM

0.0307 mL

0.1533 mL

0.3065 mL

Please refer to the solubility information to select the appropriate solvent. The compound is unstable in solutions, freshly prepared is recommended.

Molaritätsrechner

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass Mass

Konzentration Konzentration

Volumen Volumen

Molecular Weight Molecular Weight

Verdünnungsrechner

Konzentration _{(Stammlösung)} × Volumen _{(Stammlösung)} = Konzentration _{(Ziellösung)} × Volumen _{(Ziellösung)}

Konzentration _{(Stammlösung)} Konzentration _{(Stammlösung)}

Volumen _{(Stammlösung)} Volumen _{(Stammlösung)}

Konzentration _{(Ziellösung)} Konzentration _{(Ziellösung)}

Volumen _{(Ziellösung)} Volumen _{(Ziellösung)}

Reinheit & Dokumentation

Select Batch:

Reinheit: 99.98%

Assay: 99.98%

ee.: 99.98%

Data Sheet (271 KB)
SDS (254 KB)
- English - EN (254 KB)
- Français - FR (254 KB)
- Deutsch - DE (254 KB)
- Norwegian - NO (254 KB)
- Español - ES (254 KB)
- Swedish - SV (254 KB)
- Italian - IT (254 KB)
- Korean - KR (254 KB)
- Portuguese - PT (254 KB)
COA (2659 KB)
Elemental Analysis Report (2659 KB)
HNMR (2659 KB)
CNMR (2659 KB)
RP-HPLC (2659 KB)
NP-HPLC (2659 KB)
MS (2659 KB)
LCMS (2659 KB)
IR (2659 KB)
GC (2659 KB)
OR (2659 KB)
SDS-PAGE (2659 KB)
SEC-HPLC (2659 KB)
Other Report (2659 KB)
Handling Instructions (2659 KB)

Verweise

[1]. Kowalik-Jankowska T, et al. Coordination abilities of the 1-16 and 1-28 fragments of beta-amyloid peptide towards copper(II) ions: a combined potentiometric and spectroscopic study. J Inorg Biochem. 2003 Jul 1;95(4):270-82. [Content Brief]

[2]. Syme CD, et al. Copper binding to the amyloid-beta (Abeta) peptide associated with Alzheimer's disease: folding, coordination geometry, pH dependence, stoichiometry, and affinity of Abeta-(1-28): insights from a range of complementary spectroscopic techniques. J Biol Chem. 2004 Apr 30;279(18):18169-77. [Content Brief]

[3]. Jing-Ming Shi, et al. Dissecting the behaviour of β-amyloid peptide variants during oligomerization and fibrillation. J Pept Sci. 2017 Nov;23(11):810-817. [Content Brief]

Help & FAQs

How should lyophilized recombinant proteins be reconstituted and stored?

1. Before opening the cap, centrifuge the vial at 13000 rpm for 20-30 seconds. This step will ensure that any lyophilized powder that may have adhered to the cap or walls is collected at the bottom of the vial, minimizing the risk of product loss.

Complete Stock Solution Preparation Table

Please refer to the solubility information to select the appropriate solvent. The compound is unstable in solutions, freshly prepared is recommended.

Optional Solvent	Concentration Solvent Mass	1 mg	5 mg	10 mg	25 mg
0.1 M NaOH	1 mM	0.3065 mL	1.5326 mL	3.0651 mL	7.6628 mL
	5 mM	0.0613 mL	0.3065 mL	0.6130 mL	1.5326 mL
	10 mM	0.0307 mL	0.1533 mL	0.3065 mL	0.7663 mL

Keywords

MOQ

Minimum order quantity

100 mg

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Biologische Aktivität
- Beschreibung
- IC₅₀ & Target
- In Vitro
- In Vivo
Chemical Information
Lösungsmittel & Löslichkeit
- In Vitro
Reinheit & Dokumentation
Verweise

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β-Amyloid (1-28)

Peptide Library

Biologische Aktivität

Chemical Information

Lösungsmittel & Löslichkeit

Reinheit & Dokumentation

Verweise

Help & FAQs

Complete Stock Solution Preparation Table

β-Amyloid (1-28) Related Classifications

HY-P1468 Related Classifications