β-Amyloid (12-20)

For research use only. Not for therapeutic Use.

  • CAT Number: I018839
  • CAS Number: 134649-29-9
  • Molecular Formula: C57H83N15O11
  • Molecular Weight: 1154.36
  • Purity: ≥95%
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β-Amyloid (12-20) is a peptide fragment of β-Amyloid.
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 ℃.
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 aged 48h at 4-8 ℃. The sample was then centrifuged at 14000g for 10 min at 4-8 ℃; the soluble oligomers were in the supernatant. The supernatant was diluted 10-200-fold for experiments.
Methods vary depends on the downstream applications.


Catalog Number I018839
CAS Number 134649-29-9
Synonyms

(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-5-amino-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-3-methylbutanoyl]amino]-3-(1H-imidazol-5-yl)propanoyl]amino]-3-(1H-imidazol-5-yl)propanoyl]amino]-5-oxopentanoyl]amino]hexanoyl]amino]-4-methylpentanoyl]amino]-3-methylbutanoyl]amino]-3-phenylpropanoyl]amino]-3-phenylpropanoic acid

Molecular Formula C57H83N15O11
Purity ≥95%
InChI InChI=1S/C57H83N15O11/c1-32(2)23-41(54(79)72-48(34(5)6)56(81)70-42(24-35-15-9-7-10-16-35)51(76)71-45(57(82)83)25-36-17-11-8-12-18-36)67-49(74)39(19-13-14-22-58)65-50(75)40(20-21-46(59)73)66-52(77)43(26-37-28-61-30-63-37)68-53(78)44(27-38-29-62-31-64-38)69-55(80)47(60)33(3)4/h7-12,15-18,28-34,39-45,47-48H,13-14,19-27,58,60H2,1-6H3,(H2,59,73)(H,61,63)(H,62,64)(H,65,75)(H,66,77)(H,67,74)(H,68,78)(H,69,80)(H,70,81)(H,71,76)(H,72,79)(H,82,83)/t39-,40-,41-,42-,43-,44-,45-,47-,48-/m0/s1
InChIKey YEZCRNKNZWDABB-PZBWUIGESA-N
SMILES CC(C)CC(C(=O)NC(C(C)C)C(=O)NC(CC1=CC=CC=C1)C(=O)NC(CC2=CC=CC=C2)C(=O)O)NC(=O)C(CCCCN)NC(=O)C(CCC(=O)N)NC(=O)C(CC3=CN=CN3)NC(=O)C(CC4=CN=CN4)NC(=O)C(C(C)C)N
Reference

[1]. Stefania Sabella, et al. Capillary electrophoresis studies on the aggregation process of beta-amyloid 1-42 and 1-40 peptides. Electrophoresis. 2004 Oct;25(18-19):3186-94.
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