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==THE CRYSTAL STRUCTURE OF ALLOSTERIC CHORISMATE MUTASE AT 2.2 ANGSTROMS RESOLUTION==
==THE CRYSTAL STRUCTURE OF ALLOSTERIC CHORISMATE MUTASE AT 2.2 ANGSTROMS RESOLUTION==
<StructureSection load='1csm' size='340' side='right' caption='[[1csm]], [[Resolution|resolution]] 2.20&Aring;' scene=''>
<StructureSection load='1csm' size='340' side='right'caption='[[1csm]], [[Resolution|resolution]] 2.20&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[1csm]] is a 2 chain structure with 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]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1CSM FirstGlance]. <br>
<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>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=TRP:TRYPTOPHAN'>TRP</scene></td></tr>
</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>
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><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></td></tr>
<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>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><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.rcsb.org/pdb/explore.do?structureId=1csm RCSB], [http://www.ebi.ac.uk/pdbsum/1csm PDBsum]</span></td></tr>
<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>
</table>
</table>
== Function ==
[https://www.uniprot.org/uniprot/CHMU_YEAST CHMU_YEAST]
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
Check<jmol>
   <jmolCheckbox>
   <jmolCheckbox>
     <scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/cs/1csm_consurf.spt"</scriptWhenChecked>
     <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/cs/1csm_consurf.spt"</scriptWhenChecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
     <text>to colour the structure by Evolutionary Conservation</text>
     <text>to colour the structure by Evolutionary Conservation</text>
   </jmolCheckbox>
   </jmolCheckbox>
</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/chain_selection.php?pdb_ID=2ata ConSurf].
</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].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
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.
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:7971967<ref>PMID:7971967</ref>


From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
==See Also==
</div>
*[[3D structures of chorismate mutase|3D structures of chorismate mutase]]
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Anthranilate synthase]]
[[Category: Large Structures]]
[[Category: Saccharomyces cerevisiae]]
[[Category: Saccharomyces cerevisiae]]
[[Category: Lipscomb, W N]]
[[Category: Lipscomb WN]]
[[Category: Xue, Y]]
[[Category: Xue Y]]
[[Category: Isomerase]]

Latest revision as of 09:45, 7 February 2024

THE CRYSTAL STRUCTURE OF ALLOSTERIC CHORISMATE MUTASE AT 2.2 ANGSTROMS RESOLUTIONTHE CRYSTAL STRUCTURE OF ALLOSTERIC CHORISMATE MUTASE AT 2.2 ANGSTROMS RESOLUTION

Structural highlights

1csm is a 2 chain structure with sequence from Saccharomyces cerevisiae. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2.2Å
Ligands:
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

CHMU_YEAST

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

See Also

1csm, resolution 2.20Å

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OCA
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