1zii

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[[Image:1zii.gif|left|200px]]
 
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{{Structure
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==GCN4-LEUCINE ZIPPER CORE MUTANT ASN16ABA IN THE DIMERIC STATE==
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|PDB= 1zii |SIZE=350|CAPTION= <scene name='initialview01'>1zii</scene>, resolution 1.8&Aring;
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<StructureSection load='1zii' size='340' side='right'caption='[[1zii]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=ABA:ALPHA-AMINOBUTYRIC+ACID'>ABA</scene>, <scene name='pdbligand=ACE:ACETYL+GROUP'>ACE</scene>
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<table><tr><td colspan='2'>[[1zii]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ZII OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1ZII FirstGlance]. <br>
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|ACTIVITY=
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.8&#8491;</td></tr>
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|GENE=
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ABA:ALPHA-AMINOBUTYRIC+ACID'>ABA</scene>, <scene name='pdbligand=ACE:ACETYL+GROUP'>ACE</scene></td></tr>
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|DOMAIN=
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1zii FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1zii OCA], [https://pdbe.org/1zii PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1zii RCSB], [https://www.ebi.ac.uk/pdbsum/1zii PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1zii ProSAT]</span></td></tr>
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|RELATEDENTRY=
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</table>
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1zii FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1zii OCA], [http://www.ebi.ac.uk/pdbsum/1zii PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1zii RCSB]</span>
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== Function ==
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}}
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[https://www.uniprot.org/uniprot/GCN4_YEAST GCN4_YEAST] Is a transcription factor that is responsible for the activation of more than 30 genes required for amino acid or for purine biosynthesis in response to amino acid or purine starvation. Binds and recognize the DNA sequence: 5'-TGA[CG]TCA-3'.
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Each protein sequence generally adopts a single native fold, but the sequence features that confer structural uniqueness are not well understood. To define the basis for structural heterogeneity, we determined the high resolution X-ray crystal structures of a single GCN4 leucine-zipper mutant (Asn 16 to aminobutyric acid) in both dimeric and trimeric coiled-coil conformations. The mutant sequence is accommodated in two distinct structures by forming similarly-shaped packing surfaces with different sets of atoms. The trimer structure, in comparison to a previously-characterized trimeric mutant with substitutions in eight core residues, shows that the twist of individual helices and the helix-helix crossing angles can vary significantly to produce the most favoured packing arrangement.
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'''GCN4-LEUCINE ZIPPER CORE MUTANT ASN16ABA IN THE DIMERIC STATE'''
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Crystal structures of a single coiled-coil peptide in two oligomeric states reveal the basis for structural polymorphism.,Gonzalez L Jr, Brown RA, Richardson D, Alber T Nat Struct Biol. 1996 Dec;3(12):1002-9. PMID:8946853<ref>PMID:8946853</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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<div class="pdbe-citations 1zii" style="background-color:#fffaf0;"></div>
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==Overview==
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==See Also==
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Each protein sequence generally adopts a single native fold, but the sequence features that confer structural uniqueness are not well understood. To define the basis for structural heterogeneity, we determined the high resolution X-ray crystal structures of a single GCN4 leucine-zipper mutant (Asn 16 to aminobutyric acid) in both dimeric and trimeric coiled-coil conformations. The mutant sequence is accommodated in two distinct structures by forming similarly-shaped packing surfaces with different sets of atoms. The trimer structure, in comparison to a previously-characterized trimeric mutant with substitutions in eight core residues, shows that the twist of individual helices and the helix-helix crossing angles can vary significantly to produce the most favoured packing arrangement.
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*[[Gcn4 3D Structures|Gcn4 3D Structures]]
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*[[Gnc4 3D Structures|Gnc4 3D Structures]]
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==About this Structure==
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== References ==
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1ZII is a [[Single protein]] structure of 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=1ZII OCA].
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<references/>
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__TOC__
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==Reference==
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</StructureSection>
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Crystal structures of a single coiled-coil peptide in two oligomeric states reveal the basis for structural polymorphism., Gonzalez L Jr, Brown RA, Richardson D, Alber T, Nat Struct Biol. 1996 Dec;3(12):1002-9. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/8946853 8946853]
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[[Category: Large Structures]]
[[Category: Saccharomyces cerevisiae]]
[[Category: Saccharomyces cerevisiae]]
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[[Category: Single protein]]
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[[Category: Alber T]]
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[[Category: Alber, T.]]
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[[Category: Brown RA]]
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[[Category: Brown, R A.]]
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[[Category: Gonzalez Junior L]]
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[[Category: Junior, L Gonzalez.]]
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[[Category: Richardson D]]
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[[Category: Richardson, D.]]
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[[Category: activator]]
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[[Category: amino-acid biosynthesis]]
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[[Category: coiled coil]]
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[[Category: dna-binding]]
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[[Category: leucine zipper]]
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[[Category: nuclear protein]]
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[[Category: transcription regulation]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 01:37:08 2008''
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Current revision

GCN4-LEUCINE ZIPPER CORE MUTANT ASN16ABA IN THE DIMERIC STATE

PDB ID 1zii

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