1zaa

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[[Image:1zaa.jpg|left|200px]]
 
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{{Structure
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==ZINC FINGER-DNA RECOGNITION: CRYSTAL STRUCTURE OF A ZIF268-DNA COMPLEX AT 2.1 ANGSTROMS==
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|PDB= 1zaa |SIZE=350|CAPTION= <scene name='initialview01'>1zaa</scene>, resolution 2.100&Aring;
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<StructureSection load='1zaa' size='340' side='right'caption='[[1zaa]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=DA:2&#39;-DEOXYADENOSINE-5&#39;-MONOPHOSPHATE'>DA</scene>, <scene name='pdbligand=DC:2&#39;-DEOXYCYTIDINE-5&#39;-MONOPHOSPHATE'>DC</scene>, <scene name='pdbligand=DG:2&#39;-DEOXYGUANOSINE-5&#39;-MONOPHOSPHATE'>DG</scene>, <scene name='pdbligand=DT:THYMIDINE-5&#39;-MONOPHOSPHATE'>DT</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene>
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<table><tr><td colspan='2'>[[1zaa]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. The March 2007 RCSB PDB [https://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Zinc Fingers'' by David S. Goodsell is [https://dx.doi.org/10.2210/rcsb_pdb/mom_2007_3 10.2210/rcsb_pdb/mom_2007_3]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ZAA OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1ZAA 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]] 2.1&#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=ZN:ZINC+ION'>ZN</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=1zaa FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1zaa OCA], [https://pdbe.org/1zaa PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1zaa RCSB], [https://www.ebi.ac.uk/pdbsum/1zaa PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1zaa 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=1zaa FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1zaa OCA], [http://www.ebi.ac.uk/pdbsum/1zaa PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1zaa RCSB]</span>
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== Function ==
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}}
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[https://www.uniprot.org/uniprot/EGR1_MOUSE EGR1_MOUSE] Transcriptional regulator. Recognizes and binds to the DNA sequence 5'-CGCCCCCGC-3'(EGR-site). Activates the transcription of target genes whose products are required for mitogenesis and differentiation.
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== Evolutionary Conservation ==
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'''ZINC FINGER-DNA RECOGNITION: CRYSTAL STRUCTURE OF A ZIF268-DNA COMPLEX AT 2.1 ANGSTROMS'''
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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==Overview==
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/za/1zaa_consurf.spt"</scriptWhenChecked>
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The zinc finger DNA-binding motif occurs in many proteins that regulate eukaryotic gene expression. The crystal structure of a complex containing the three zinc fingers from Zif268 (a mouse immediate early protein) and a consensus DNA-binding site has been determined at 2.1 angstroms resolution and refined to a crystallographic R factor of 18.2 percent. In this complex, the zinc fingers bind in the major groove of B-DNA and wrap part way around the double helix. Each finger has a similar relation to the DNA and makes its primary contacts in a three-base pair subsite. Residues from the amino-terminal portion of an alpha helix contact the bases, and most of the contracts are made with the guanine-rich strand of the DNA. This structure provides a framework for understanding how zinc fingers recognize DNA and suggests that this motif may provide a useful basis for the design of novel DNA-binding proteins.
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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==About this Structure==
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</jmolCheckbox>
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1ZAA is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. The following page contains interesting information on the relation of 1ZAA with [[http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/pdb87_1.html Zinc Fingers]]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ZAA OCA].
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1zaa ConSurf].
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<div style="clear:both"></div>
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==Reference==
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__TOC__
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Zinc finger-DNA recognition: crystal structure of a Zif268-DNA complex at 2.1 A., Pavletich NP, Pabo CO, Science. 1991 May 10;252(5007):809-17. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/2028256 2028256]
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Mus musculus]]
[[Category: Mus musculus]]
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[[Category: Single protein]]
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[[Category: RCSB PDB Molecule of the Month]]
[[Category: Zinc Fingers]]
[[Category: Zinc Fingers]]
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[[Category: Pabo, C O.]]
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[[Category: Pabo CO]]
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[[Category: Pavletich, N P.]]
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[[Category: Pavletich NP]]
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[[Category: double helix]]
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[[Category: protein-dna complex]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 01:33:00 2008''
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Current revision

ZINC FINGER-DNA RECOGNITION: CRYSTAL STRUCTURE OF A ZIF268-DNA COMPLEX AT 2.1 ANGSTROMS

PDB ID 1zaa

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