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1amb

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[[Image:1amb.gif|left|200px]]
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{{Seed}}
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[[Image:1amb.png|left|200px]]
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{{STRUCTURE_1amb| PDB=1amb | SCENE= }}
{{STRUCTURE_1amb| PDB=1amb | SCENE= }}
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'''SOLUTION STRUCTURE OF RESIDUES 1-28 OF THE AMYLOID BETA-PEPTIDE'''
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===SOLUTION STRUCTURE OF RESIDUES 1-28 OF THE AMYLOID BETA-PEPTIDE===
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==Overview==
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The three-dimensional solution structure of residues 1-28 of the amyloid beta-peptide was determined using nuclear magnetic resonance spectroscopy, distance geometry, and molecular dynamic techniques. The nuclear magnetic resonance data used to derive the structure consisted of nuclear Overhauser enhancements, vicinal coupling constants, and temperature coefficients of the amide-NH chemical shifts. The beta-peptide is the major proteinaceous component of amyloid deposits in Alzheimer's disease. In membrane-like media, the peptide folds to form a predominately alpha-helical structure with a bend centered at residue 12. The side chains of histidine-13 and lysine-16 are close, residing on the same face of the helix. Their proximity may constitute a binding motif with the heparan sulfate proteoglycans. The molecular details of the structure shown here could facilitate the design of rational treatments to curtail the binding of heparan sulfate proteoglycans or to prevent an alpha-helix--&gt;beta-sheet conversion that may occur during the early stages of amyloid formation in Alzheimer's disease.
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The line below this paragraph, {{ABSTRACT_PUBMED_7516706}}, adds the Publication Abstract to the page
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(as it appears on PubMed at http://www.pubmed.gov), where 7516706 is the PubMed ID number.
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{{ABSTRACT_PUBMED_7516706}}
==About this Structure==
==About this Structure==
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1AMB is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1AMB OCA].
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1AMB is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1AMB OCA].
==Reference==
==Reference==
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[[Category: Talafous, J.]]
[[Category: Talafous, J.]]
[[Category: Zagorski, M G.]]
[[Category: Zagorski, M G.]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 10:26:43 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jun 30 17:08:42 2008''

Revision as of 14:08, 30 June 2008

Image:1amb.png

Template:STRUCTURE 1amb

SOLUTION STRUCTURE OF RESIDUES 1-28 OF THE AMYLOID BETA-PEPTIDE

Template:ABSTRACT PUBMED 7516706

About this Structure

1AMB is a Single protein structure of sequence from Homo sapiens. Full experimental information is available from OCA.

Reference

Solution structure of residues 1-28 of the amyloid beta-peptide., Talafous J, Marcinowski KJ, Klopman G, Zagorski MG, Biochemistry. 1994 Jun 28;33(25):7788-96. PMID:7516706

Page seeded by OCA on Mon Jun 30 17:08:42 2008

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