1jy9

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[[Image:1jy9.jpg|left|200px]]
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{{Seed}}
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[[Image:1jy9.png|left|200px]]
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{{STRUCTURE_1jy9| PDB=1jy9 | SCENE= }}
{{STRUCTURE_1jy9| PDB=1jy9 | SCENE= }}
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'''MINIMIZED AVERAGE STRUCTURE OF DP-TT2'''
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===MINIMIZED AVERAGE STRUCTURE OF DP-TT2===
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==Overview==
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Designed peptides that fold autonomously to specific conformations in aqueous solution are useful for elucidating protein secondary structural preferences. For example, autonomously folding model systems have been essential for establishing the relationship between alpha-helix length and alpha-helix stability, which would be impossible to probe with alpha-helices embedded in folded proteins. Here, we use designed peptides to examine the effect of strand length on antiparallel beta-sheet stability. alpha-Helices become more stable as they grow longer. Our data show that a two-stranded beta-sheet ("beta-hairpin") becomes more stable when the strands are lengthened from five to seven residues, but that further strand lengthening to nine residues does not lead to further beta-hairpin stabilization for several extension sequences examined. (In one case, all-threonine extension, there may be an additional stabilization on strand lengthening from seven to nine residues.) These results suggest that there may be an intrinsic limit to strand length for most sequences in antiparallel beta-sheet secondary structure.
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The line below this paragraph, {{ABSTRACT_PUBMED_11593011}}, adds the Publication Abstract to the page
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(as it appears on PubMed at http://www.pubmed.gov), where 11593011 is the PubMed ID number.
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{{ABSTRACT_PUBMED_11593011}}
==About this Structure==
==About this Structure==
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Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1JY9 OCA].
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Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1JY9 OCA].
==Reference==
==Reference==
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[[Category: Syud, F A.]]
[[Category: Syud, F A.]]
[[Category: Beta-hairpin]]
[[Category: Beta-hairpin]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 22:04:15 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 03:22:53 2008''

Revision as of 00:22, 28 July 2008

Image:1jy9.png

Template:STRUCTURE 1jy9

MINIMIZED AVERAGE STRUCTURE OF DP-TT2

Template:ABSTRACT PUBMED 11593011

About this Structure

Full experimental information is available from OCA.

Reference

Length-dependent stability and strand length limits in antiparallel beta -sheet secondary structure., Stanger HE, Syud FA, Espinosa JF, Giriat I, Muir T, Gellman SH, Proc Natl Acad Sci U S A. 2001 Oct 9;98(21):12015-20. Epub 2001 Oct 2. PMID:11593011

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