1ij3
From Proteopedia
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| - | [[ | + | ==GCN4-pVSL Coiled-coil trimer with Serine at the a(16) position== |
| + | <StructureSection load='1ij3' size='340' side='right' caption='[[1ij3]], [[Resolution|resolution]] 1.80Å' scene=''> | ||
| + | == Structural highlights == | ||
| + | <table><tr><td colspan='2'>[[1ij3]] is a 3 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1IJ3 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1IJ3 FirstGlance]. <br> | ||
| + | </td></tr><tr><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=ACE:ACETYL+GROUP'>ACE</scene></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=1ij3 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ij3 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1ij3 RCSB], [http://www.ebi.ac.uk/pdbsum/1ij3 PDBsum]</span></td></tr> | ||
| + | <table> | ||
| + | <div style="background-color:#fffaf0;"> | ||
| + | == Publication Abstract from PubMed == | ||
| + | Coiled coils, estimated to constitute 3-5% of the encoded residues in most genomes, are characterized by a heptad repeat, (abcdefg)(n), where the buried a and d positions form the interface between multiple alpha-helices. Although generally hydrophobic, a substantial fraction ( approximately 20%) of these a- and d-position residues are polar or charged. We constructed variants of the well-characterized coiled coil GCN4-p1 with a single polar residue (Asn, Gln, Ser, or Thr) at either an a or a d position. The stability and oligomeric specificity of each variant were measured, and crystal structures of coiled-coil trimers with threonine or serine at either an a or a d position were determined. The structures show how single polar residues in the interface affect not only local packing, but also overall coiled-coil geometry as seen by changes in the Crick supercoil parameters and core cavity volumes. | ||
| - | + | Buried polar residues in coiled-coil interfaces.,Akey DL, Malashkevich VN, Kim PS Biochemistry. 2001 May 29;40(21):6352-60. PMID:11371197<ref>PMID:11371197</ref> | |
| - | + | From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |
| + | </div> | ||
| - | + | ==See Also== | |
| - | + | *[[Gcn4|Gcn4]] | |
| - | == | + | == References == |
| - | [[ | + | <references/> |
| - | + | __TOC__ | |
| - | == | + | </StructureSection> |
| - | < | + | |
[[Category: Akey, D L.]] | [[Category: Akey, D L.]] | ||
[[Category: Kim, P S.]] | [[Category: Kim, P S.]] | ||
Revision as of 09:58, 28 September 2014
GCN4-pVSL Coiled-coil trimer with Serine at the a(16) position
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