1le1: Difference between revisions
From Proteopedia
Jump to navigationJump to search
No edit summary |
No edit summary |
||
| (10 intermediate revisions by the same user not shown) | |||
| Line 1: | Line 1: | ||
==NMR Structure of Tryptophan Zipper 2: A stable, Monomeric Beta-Hairpin with a Type I' Turn== | |||
<StructureSection load='1le1' size='340' side='right'caption='[[1le1]]' scene=''> | |||
| | == Structural highlights == | ||
| | <table><tr><td colspan='2'>[[1le1]] is a 1 chain structure. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=1hrx 1hrx]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1LE1 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1LE1 FirstGlance]. <br> | ||
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR</td></tr> | |||
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=NH2:AMINO+GROUP'>NH2</scene></td></tr> | |||
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1le1 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1le1 OCA], [https://pdbe.org/1le1 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1le1 RCSB], [https://www.ebi.ac.uk/pdbsum/1le1 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1le1 ProSAT]</span></td></tr> | |||
</table> | |||
<div style="background-color:#fffaf0;"> | |||
== Publication Abstract from PubMed == | |||
== | |||
A structural motif, the tryptophan zipper (trpzip), greatly stabilizes the beta-hairpin conformation in short peptides. Peptides (12 or 16 aa in length) with four different turn sequences are monomeric and fold cooperatively in water, as has been observed previously for some hairpin peptides. However, the folding free energies of the trpzips exceed substantially those of all previously reported beta-hairpins and even those of some larger designed proteins. NMR structures of three of the trpzip peptides reveal exceptionally well-defined beta-hairpin conformations stabilized by cross-strand pairs of indole rings. The trpzips are the smallest peptides to adopt an unique tertiary fold without requiring metal binding, unusual amino acids, or disulfide crosslinks. | A structural motif, the tryptophan zipper (trpzip), greatly stabilizes the beta-hairpin conformation in short peptides. Peptides (12 or 16 aa in length) with four different turn sequences are monomeric and fold cooperatively in water, as has been observed previously for some hairpin peptides. However, the folding free energies of the trpzips exceed substantially those of all previously reported beta-hairpins and even those of some larger designed proteins. NMR structures of three of the trpzip peptides reveal exceptionally well-defined beta-hairpin conformations stabilized by cross-strand pairs of indole rings. The trpzips are the smallest peptides to adopt an unique tertiary fold without requiring metal binding, unusual amino acids, or disulfide crosslinks. | ||
Tryptophan zippers: stable, monomeric beta -hairpins.,Cochran AG, Skelton NJ, Starovasnik MA Proc Natl Acad Sci U S A. 2001 May 8;98(10):5578-83. Epub 2001 May 1. PMID:11331745<ref>PMID:11331745</ref> | |||
Tryptophan zippers: stable, monomeric beta -hairpins., Cochran AG, Skelton NJ, Starovasnik MA | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
</div> | |||
<div class="pdbe-citations 1le1" style="background-color:#fffaf0;"></div> | |||
== References == | |||
<references/> | |||
__TOC__ | |||
</StructureSection> | |||
[[Category: Large Structures]] | |||
[[Category: Cochran AG]] | |||
[[Category: Skelton NJ]] | |||
[[Category: Starovasnik MA]] | |||
Latest revision as of 18:48, 29 November 2023
NMR Structure of Tryptophan Zipper 2: A stable, Monomeric Beta-Hairpin with a Type I' Turn
| ||||||||||||
