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1jvn

From Proteopedia

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{{STRUCTURE_1jvn| PDB=1jvn | SCENE= }}
 
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===CRYSTAL STRUCTURE OF IMIDAZOLE GLYCEROL PHOSPHATE SYNTHASE: A TUNNEL THROUGH A (BETA/ALPHA)8 BARREL JOINS TWO ACTIVE SITES===
 
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{{ABSTRACT_PUBMED_11591353}}
 
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==Function==
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==CRYSTAL STRUCTURE OF IMIDAZOLE GLYCEROL PHOSPHATE SYNTHASE: A TUNNEL THROUGH A (BETA/ALPHA)8 BARREL JOINS TWO ACTIVE SITES==
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[[http://www.uniprot.org/uniprot/HIS5_YEAST HIS5_YEAST]] IGPS catalyzes the conversion of PRFAR and glutamine to IGP, AICAR and glutamate. The glutamine amidotransferase domain provides the ammonia necessary to the cyclase domain to produce IGP and AICAR from PRFAR.
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<StructureSection load='1jvn' size='340' side='right'caption='[[1jvn]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
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== Structural highlights ==
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==About this Structure==
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<table><tr><td colspan='2'>[[1jvn]] 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=1JVN OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1JVN FirstGlance]. <br>
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[[1jvn]] 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=1JVN OCA].
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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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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=143:S-2,3-DIHYDRO-5-GLYCIN-2-YL-ISOXAZOL-3-YL-CYSTEINE'>143</scene>, <scene name='pdbligand=NI:NICKEL+(II)+ION'>NI</scene>, <scene name='pdbligand=POP:PYROPHOSPHATE+2-'>POP</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
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==Reference==
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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=1jvn FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1jvn OCA], [https://pdbe.org/1jvn PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1jvn RCSB], [https://www.ebi.ac.uk/pdbsum/1jvn PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1jvn ProSAT]</span></td></tr>
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<ref group="xtra">PMID:011591353</ref><ref group="xtra">PMID:012360532</ref><references group="xtra"/><references/>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/HIS5_YEAST HIS5_YEAST] IGPS catalyzes the conversion of PRFAR and glutamine to IGP, AICAR and glutamate. The glutamine amidotransferase domain provides the ammonia necessary to the cyclase domain to produce IGP and AICAR from PRFAR.
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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/jv/1jvn_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=1jvn ConSurf].
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<div style="clear:both"></div>
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Saccharomyces cerevisiae]]
[[Category: Saccharomyces cerevisiae]]
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[[Category: Chaudhuri, B N.]]
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[[Category: Chaudhuri BN]]
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[[Category: Chittur, S V.]]
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[[Category: Chittur SV]]
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[[Category: Davisson, V J.]]
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[[Category: Davisson VJ]]
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[[Category: Lange, S C.]]
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[[Category: Lange SC]]
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[[Category: Myers, R S.]]
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[[Category: Myers RS]]
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[[Category: Smith, J L.]]
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[[Category: Smith JL]]
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[[Category: Amidotransferase]]
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[[Category: Substrate channeling]]
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[[Category: Tim-barrel as a substrate tunnel]]
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[[Category: Transferase]]
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Current revision

CRYSTAL STRUCTURE OF IMIDAZOLE GLYCEROL PHOSPHATE SYNTHASE: A TUNNEL THROUGH A (BETA/ALPHA)8 BARREL JOINS TWO ACTIVE SITES

PDB ID 1jvn

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