1csm

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[[Image:1csm.gif|left|200px]]
 
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{{Structure
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==THE CRYSTAL STRUCTURE OF ALLOSTERIC CHORISMATE MUTASE AT 2.2 ANGSTROMS RESOLUTION==
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|PDB= 1csm |SIZE=350|CAPTION= <scene name='initialview01'>1csm</scene>, resolution 2.2&Aring;
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<StructureSection load='1csm' size='340' side='right'caption='[[1csm]], [[Resolution|resolution]] 2.20&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=TRP:TRYPTOPHAN'>TRP</scene>
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<table><tr><td colspan='2'>[[1csm]] 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=1CSM OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1CSM FirstGlance]. <br>
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|ACTIVITY= <span class='plainlinks'>[http://en.wikipedia.org/wiki/Anthranilate_synthase Anthranilate synthase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=4.1.3.27 4.1.3.27] </span>
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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]] 2.2&#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=TRP:TRYPTOPHAN'>TRP</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=1csm FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1csm OCA], [https://pdbe.org/1csm PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1csm RCSB], [https://www.ebi.ac.uk/pdbsum/1csm PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1csm 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=1csm FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1csm OCA], [http://www.ebi.ac.uk/pdbsum/1csm PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1csm RCSB]</span>
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== Function ==
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}}
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[https://www.uniprot.org/uniprot/CHMU_YEAST CHMU_YEAST]
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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/cs/1csm_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=1csm ConSurf].
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<div style="clear:both"></div>
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'''THE CRYSTAL STRUCTURE OF ALLOSTERIC CHORISMATE MUTASE AT 2.2 ANGSTROMS RESOLUTION'''
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==See Also==
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*[[3D structures of chorismate mutase|3D structures of chorismate mutase]]
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__TOC__
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==Overview==
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</StructureSection>
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The crystal structure of an allosteric chorismate mutase, the Thr-226--&gt;Ile mutant, from yeast Saccharomyces cerevisiae has been determined to 2.2-A resolution by using the multiple isomorphous replacement method. Solvent-flattening and electron-density modification were applied for phase improvement. The current crystallographic R factor is 0.196. The final model includes 504 of the 512 residues and 97 water molecules. In addition, two tryptophan molecules were identified in the interface between monomers. The overall structure is completely different from the reported structure of chorismate mutase from Bacillus subtilis. This structure showed 71% helices with essentially no beta-sheet structures.
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[[Category: Large Structures]]
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==About this Structure==
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1CSM 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=1CSM OCA].
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==Reference==
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The crystal structure of allosteric chorismate mutase at 2.2-A resolution., Xue Y, Lipscomb WN, Graf R, Schnappauf G, Braus G, Proc Natl Acad Sci U S A. 1994 Nov 8;91(23):10814-8. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/7971967 7971967]
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[[Category: Anthranilate synthase]]
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[[Category: Saccharomyces cerevisiae]]
[[Category: Saccharomyces cerevisiae]]
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[[Category: Single protein]]
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[[Category: Lipscomb WN]]
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[[Category: Lipscomb, W N.]]
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[[Category: Xue Y]]
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[[Category: Xue, Y.]]
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[[Category: isomerase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 19:27:45 2008''
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Current revision

THE CRYSTAL STRUCTURE OF ALLOSTERIC CHORISMATE MUTASE AT 2.2 ANGSTROMS RESOLUTION

PDB ID 1csm

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