1s3g

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[[Image:1s3g.jpg|left|200px]]
 
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{{Structure
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==Crystal structure of adenylate kinase from Bacillus globisporus==
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|PDB= 1s3g |SIZE=350|CAPTION= <scene name='initialview01'>1s3g</scene>, resolution 2.25&Aring;
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<StructureSection load='1s3g' size='340' side='right'caption='[[1s3g]], [[Resolution|resolution]] 2.25&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene> and <scene name='pdbligand=AP5:BIS(ADENOSINE)-5&#39;-PENTAPHOSPHATE'>AP5</scene>
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<table><tr><td colspan='2'>[[1s3g]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Sporosarcina_globispora Sporosarcina globispora]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1S3G OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1S3G FirstGlance]. <br>
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|ACTIVITY= [http://en.wikipedia.org/wiki/Adenylate_kinase Adenylate kinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.4.3 2.7.4.3]
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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]] 2.25&#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=AP5:BIS(ADENOSINE)-5-PENTAPHOSPHATE'>AP5</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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}}
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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=1s3g FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1s3g OCA], [https://pdbe.org/1s3g PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1s3g RCSB], [https://www.ebi.ac.uk/pdbsum/1s3g PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1s3g ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/KAD_SPOGL KAD_SPOGL] Catalyzes the reversible transfer of the terminal phosphate group between ATP and AMP. Plays an important role in cellular energy homeostasis and in adenine nucleotide metabolism.
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== Evolutionary Conservation ==
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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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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/s3/1s3g_consurf.spt"</scriptWhenChecked>
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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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</jmolCheckbox>
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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=1s3g ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The crystal structures of adenylate kinases from the psychrophile Bacillus globisporus and the mesophile Bacillus subtilis have been solved and compared with that from the thermophile Bacillus stearothermophilus. This is the first example we know of where a trio of protein structures has been solved that have the same number of amino acids and a high level of identity (66-74%) and yet come from organisms with different operating temperatures. The enzymes were characterized for their own thermal denaturation and inactivation, and they exhibited the same temperature preferences as their source organisms. The structures of the three highly homologous, dynamic proteins with different temperature-activity profiles provide an opportunity to explore a molecular mechanism of cold and heat adaptation. Their analysis suggests that the maintenance of the balance between stability and flexibility is crucial for proteins to function at their environmental temperatures, and it is achieved by the modification of intramolecular interactions in the process of temperature adaptation.
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'''Crystal structure of adenylate kinase from Bacillus globisporus'''
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Structures and analysis of highly homologous psychrophilic, mesophilic, and thermophilic adenylate kinases.,Bae E, Phillips GN Jr J Biol Chem. 2004 Jul 2;279(27):28202-8. Epub 2004 Apr 20. PMID:15100224<ref>PMID:15100224</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 1s3g" style="background-color:#fffaf0;"></div>
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==Overview==
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==See Also==
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The crystal structures of adenylate kinases from the psychrophile Bacillus globisporus and the mesophile Bacillus subtilis have been solved and compared with that from the thermophile Bacillus stearothermophilus. This is the first example we know of where a trio of protein structures has been solved that have the same number of amino acids and a high level of identity (66-74%) and yet come from organisms with different operating temperatures. The enzymes were characterized for their own thermal denaturation and inactivation, and they exhibited the same temperature preferences as their source organisms. The structures of the three highly homologous, dynamic proteins with different temperature-activity profiles provide an opportunity to explore a molecular mechanism of cold and heat adaptation. Their analysis suggests that the maintenance of the balance between stability and flexibility is crucial for proteins to function at their environmental temperatures, and it is achieved by the modification of intramolecular interactions in the process of temperature adaptation.
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*[[Adenylate kinase 3D structures|Adenylate kinase 3D structures]]
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== References ==
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==About this Structure==
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<references/>
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1S3G is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Sporosarcina_globispora Sporosarcina globispora]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1S3G OCA].
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__TOC__
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</StructureSection>
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==Reference==
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[[Category: Large Structures]]
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Structures and analysis of highly homologous psychrophilic, mesophilic, and thermophilic adenylate kinases., Bae E, Phillips GN Jr, J Biol Chem. 2004 Jul 2;279(27):28202-8. Epub 2004 Apr 20. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/15100224 15100224]
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[[Category: Adenylate kinase]]
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[[Category: Single protein]]
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[[Category: Sporosarcina globispora]]
[[Category: Sporosarcina globispora]]
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[[Category: Bae, E.]]
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[[Category: Bae E]]
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[[Category: Jr., G N.Phillips.]]
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[[Category: Phillips Jr GN]]
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[[Category: AP5]]
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[[Category: ZN]]
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[[Category: psychrophile]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 23 13:33:49 2008''
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Current revision

Crystal structure of adenylate kinase from Bacillus globisporus

PDB ID 1s3g

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