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[[Image:2nrn.png|left|200px]]
==Self-assembly of coiled-coil tetramers in the 1.40 A structure of a leucine-zipper mutant==
<StructureSection load='2nrn' size='340' side='right' caption='[[2nrn]], [[Resolution|resolution]] 1.40&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[2nrn]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2NRN OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2NRN FirstGlance]. <br>
</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene><br>
<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2zta|2zta]], [[2b1f|2b1f]], [[2hy6|2hy6]], [[2b22|2b22]], [[2ipz|2ipz]]</td></tr>
<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">GCN4, AAS3, ARG9 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=4932 Saccharomyces cerevisiae])</td></tr>
<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2nrn FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2nrn OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2nrn RCSB], [http://www.ebi.ac.uk/pdbsum/2nrn PDBsum]</span></td></tr>
<table>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
The hydrophobic core of the GCN4 leucine-zipper dimerization domain is formed by a parallel helical association between nonpolar side chains at the a and d positions of the heptad repeat. Here we report a self-assembling coiled-coil array formed by the GCN4-pAe peptide that differs from the wild-type GCN4 leucine zipper by alanine substitutions at three charged e positions. GCN4-pAe is incompletely folded in normal solution conditions yet self-assembles into an antiparallel tetraplex in crystals by formation of unanticipated hydrophobic seams linking the last two heptads of two parallel double-stranded coiled coils. The GCN4-pAe tetramers in the lattice associate laterally through the identical interactions to those in the intramolecular dimer-dimer interface. The van der Waals packing interaction in the solid state controls extended supramolecular assembly of the protein, providing an unusual atomic scale view of a mesostructure.


{{STRUCTURE_2nrn|  PDB=2nrn  |  SCENE=  }}
Self-assembly of coiled-coil tetramers in the 1.40 A structure of a leucine-zipper mutant.,Deng Y, Zheng Q, Liu J, Cheng CS, Kallenbach NR, Lu M Protein Sci. 2007 Feb;16(2):323-8. Epub 2006 Dec 22. PMID:17189475<ref>PMID:17189475</ref>


===Self-assembly of coiled-coil tetramers in the 1.40 A structure of a leucine-zipper mutant===
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>


{{ABSTRACT_PUBMED_17189475}}
==See Also==
 
*[[Gcn4|Gcn4]]
==About this Structure==
== References ==
[[2nrn]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2NRN OCA].
<references/>
 
__TOC__
==Reference==
</StructureSection>
<ref group="xtra">PMID:017189475</ref><references group="xtra"/>
[[Category: Saccharomyces cerevisiae]]
[[Category: Saccharomyces cerevisiae]]
[[Category: Liu, J.]]
[[Category: Liu, J.]]
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