Beta-Amyloid (1-28) Peptide
- Cat.Number : AS-24231
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The three-dimensional solution structure of Aß (1-28) reveals the folding of the peptide to form a predominantly a-helical structure with a bend centered at residue 12 and the side chains of histidine-13 and lysine-16 in close proximity, residing on the same face of the helix. Their proximity may constitute a binding motif with the heparan sulfate proteoglycans. Aß (1-28) is highly hydrophilic and shares sequences with bA4, the major component of Aß. Its assembly is fibrillar, i.e., elongated in a single direction. Reports show that synthetic peptides Aß (1-40) and Aß (1-28) have significant effects on normal human plasma cholesterol esterification rate. Both peptides (at concentration of 1 ng/mL) inhibit plasma cholesterol esterification rate by 40-50% compared to the control value.
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Citations
Structural and functional alterations in amyloid-β precursor protein induced by amyloid-β peptides
J Alzheimers Dis . 2014 Apr 28 ; 25(3) 547 | DOI : 10.3233/JAD-2011-101938
- CP. Libeu
Bapineuzumab captures the N-terminus of the Alzheimer's disease amyloid-beta peptide in a helical conformation
Scientific Rpt . 2013 Feb 18 ; 3 | DOI : 10.1038/srep01302
- LA. Miles
Identifying the minimal copper- and zinc-binding site sequence in amyloid-β peptides
J Biol Chem . 2008 Jan 30 ; 283(16) 10784 | DOI : 10.1074/jbc.M707109200
- V. Minicozzi
Cholesterol Is an Important Factor Affecting the Membrane Insertion of β-Amyloid Peptide (Aβ1–40), Which May Potentially Inhibit the Fibril Formation
JBC . 2001 Dec 10 ; 277(8) 6273 | DOI : 10.1074/jbc.M104146200
- SR. Ji
Alkylated dihydroxybenzoic acid as a MALDI matrix additive for hydrophobic peptide analysis.
Anal Chem . 2012 Apr 16 ; 84(9) 4237 | DOI : 10.1021/ac300540r
- Y. Fukuyama
Identifying the minimal Cu and Zn binding site sequence in amyloid beta peptides.
J Biol Chem . 2008 Jan 30 ; 283(16) 10784 | DOI : 10.1074/jbc.M707109200.
- V. Minicozzi
Lipocalin-type prostaglandin D synthase/β-trace is a major amyloid β-chaperone in human cerebrospinal fluid.
PNAS . 2007 Apr 02 ; 104(15) 6412 | DOI : 10.1073/pnas.0701585104.
- T. Kanekiyo
Copper mediates dityrosine cross-linking of Alzheimer's amyloid-β.
Biochem . 2004 Jan 20 ; 43(2) 560 | DOI : 10.1021/bi0358824
- C. Atwood
References
Solution Structure of Residues 1-28 of the Amyloid .beta.-Peptide
Biochem. . 2022 Jan 24 ; 33(25) 7788 | DOI : https://doi.org/10.1021/bi00191a006
- J. Talafous
- et al
Sequence Effects on the Conformational Properties of the Amyloid β(1 -28) Peptide: Testing a Proposed Mechanism for the α → β Transition
Biochem. . 1995 Jun 01 ; 34(23) 7640 | DOI : https://doi.org/10.1021/bi00023a010
- K. Kirshenbaum
- V. Daggett