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Beta-Amyloid (1-11)

Amyloidogenic peptide CAS# 190436-05-6

Beta-Amyloid (1-11)

Catalog No. BCC1002----Order now to get a substantial discount!

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Chemical structure

Beta-Amyloid (1-11)

3D structure

Chemical Properties of Beta-Amyloid (1-11)

Cas No. 190436-05-6 SDF Download SDF
PubChem ID 71317263 Appearance Powder
Formula C56H76N16O22 M.Wt 1325.3
Type of Compound N/A Storage Desiccate at -20°C
Solubility Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
Sequence H2N-Asp-Ala-Glu-Phe-Arg-His-Asp-Ser-Gly-Tyr-Glu-OH
Chemical Name (2S)-2-[[(2S)-2-[[2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-3-carboxypropanoyl]amino]propanoyl]amino]-4-carboxybutanoyl]amino]-3-phenylpropanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]amino]-3-(1H-imidazol-5-yl)propanoyl]amino]-3-carboxypropanoyl]amino]-3-hydroxypropanoyl]amino]acetyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]pentanedioic acid
SMILES CC(C(=O)NC(CCC(=O)O)C(=O)NC(CC1=CC=CC=C1)C(=O)NC(CCCN=C(N)N)C(=O)NC(CC2=CN=CN2)C(=O)NC(CC(=O)O)C(=O)NC(CO)C(=O)NCC(=O)NC(CC3=CC=C(C=C3)O)C(=O)NC(CCC(=O)O)C(=O)O)NC(=O)C(CC(=O)O)N
Standard InChIKey AGNCCPVJIGFHDN-BVISTOLDSA-N
Standard InChI InChI=1S/C56H76N16O22/c1-27(64-47(85)32(57)21-44(80)81)46(84)66-34(13-15-42(76)77)50(88)69-37(18-28-6-3-2-4-7-28)52(90)67-33(8-5-17-61-56(58)59)49(87)70-38(20-30-23-60-26-63-30)53(91)71-39(22-45(82)83)54(92)72-40(25-73)48(86)62-24-41(75)65-36(19-29-9-11-31(74)12-10-29)51(89)68-35(55(93)94)14-16-43(78)79/h2-4,6-7,9-12,23,26-27,32-40,73-74H,5,8,13-22,24-25,57H2,1H3,(H,60,63)(H,62,86)(H,64,85)(H,65,75)(H,66,84)(H,67,90)(H,68,89)(H,69,88)(H,70,87)(H,71,91)(H,72,92)(H,76,77)(H,78,79)(H,80,81)(H,82,83)(H,93,94)(H4,58,59,61)/t27-,32-,33-,34-,35-,36-,37-,38-,39-,40-/m0/s1
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

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Background on Beta-Amyloid (1-11)

Beta-amyloid (1-11) (Abeta or Aβ) (C56H76N16O22) is a peptide with the sequence H-{Asp}{Ala}{Glu}{Phe}{Arg}{His}{Asp}{Ser}{Gly}{Tyr}{Glu}-OH,which is processed from the Amyloid precursor protein.

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References on Beta-Amyloid (1-11)

Anti-A beta 1-11 antibody binds to different beta-amyloid species, inhibits fibril formation, and disaggregates preformed fibrils but not the most toxic oligomers.[Pubmed:17545160]

J Biol Chem. 2007 Aug 3;282(31):22376-86.

Different strategies proposed as therapy for Alzheimer disease (AD) have aimed to reduce the level of toxic forms of A beta peptide in the brain. Here, we directly analyze the therapeutic utility of the polyclonal anti-A beta(1-11) antibody induced in 3xTg-AD mice vaccinated with the second generation prototype epitope vaccine. Substoichiometric concentrations of purified anti-A beta(1-11) antibody prevented aggregation of A beta(42) and induced disaggregation of preformed A beta(42) fibrils down to nonfilamentous and nontoxic species. Anti-A beta(1-11) antibody delayed A beta(42) oligomer formation but ultimately appeared to stabilize nonfibrillar conformations, including oligomer-like assemblies. The reduced oligomer-mediated cytotoxicity observed upon preincubation of A beta oligomers with the anti-A beta(1-11) antibody in the absence of oligomer disaggregation suggests a possible oligomer rearrangement in the presence of the antibody. These in vitro observations suggest that preventive vaccination may protect from AD or may delay the onset of the disease, whereas therapeutic vaccination cannot disrupt the toxic oligomers and may only minimally alleviate preexisting AD pathology.

Description

β-amyloid (1-11) is a fragment of Amyloid-β peptide, maybe used in the research of neurological disease.

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