1g98

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{{STRUCTURE_1g98| PDB=1g98 | SCENE= }}
 
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===CRYSTAL STRUCTURE ANALYSIS OF RABBIT PHOSPHOGLUCOSE ISOMERASE COMPLEXED WITH 5-PHOSPHOARABINONATE, A TRANSITION STATE ANALOGUE===
 
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{{ABSTRACT_PUBMED_11327814}}
 
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==About this Structure==
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==CRYSTAL STRUCTURE ANALYSIS OF RABBIT PHOSPHOGLUCOSE ISOMERASE COMPLEXED WITH 5-PHOSPHOARABINONATE, A TRANSITION STATE ANALOGUE==
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[[1g98]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Oryctolagus_cuniculus Oryctolagus cuniculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1G98 OCA].
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<StructureSection load='1g98' size='340' side='right'caption='[[1g98]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1g98]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Oryctolagus_cuniculus Oryctolagus cuniculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1G98 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1G98 FirstGlance]. <br>
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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]] 1.9&#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=PA5:5-PHOSPHOARABINONIC+ACID'>PA5</scene></td></tr>
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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=1g98 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1g98 OCA], [https://pdbe.org/1g98 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1g98 RCSB], [https://www.ebi.ac.uk/pdbsum/1g98 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1g98 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/G6PI_RABIT G6PI_RABIT] Besides it's role as a glycolytic enzyme, mammalian GPI can function as a tumor-secreted cytokine and an angiogenic factor (AMF) that stimulates endothelial cell motility. GPI is also a neurotrophic factor (Neuroleukin) for spinal and sensory neurons (By similarity).
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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/g9/1g98_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=1g98 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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Phosphoglucose isomerase (PGI; E.C. 5.3.1.9) catalyzes the second step in glycolysis, the interconversion of D-glucose-6-phosphate and D-fructose-6-phosphate. We determined the X-ray crystal structure of rabbit PGI complexed with a competitive inhibitor of isomerase activity, 5-phospho-D-arabinonate (5PAA), at 1.9 A resolution. 5PAA is a better mimic of the proposed cis-enediol(ate) intermediate than 6-phospho-D-gluconate, which was used in a previously reported crystal structure of rabbit PGI. The orientation of 5PAA bound in the enzyme active site predicts that active site residue Glu357 is the residue that transfers a proton between C2 and C1 of the proposed cis-enediol(ate) intermediate. Amino acid residues Arg272 and Lys210 are predicted to be involved in stabilizing the negative charge of the intermediate.
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==See Also==
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Crystal structure of rabbit phosphoglucose isomerase complexed with 5-phospho-D-arabinonate identifies the role of Glu357 in catalysis.,Jeffery CJ, Hardre R, Salmon L Biochemistry. 2001 Feb 13;40(6):1560-6. PMID:11327814<ref>PMID:11327814</ref>
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*[[Phosphoglucoisomerase|Phosphoglucoisomerase]]
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*[[Phosphoglucose isomerase|Phosphoglucose isomerase]]
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==Reference==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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<ref group="xtra">PMID:011327814</ref><references group="xtra"/>
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</div>
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[[Category: Glucose-6-phosphate isomerase]]
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<div class="pdbe-citations 1g98" style="background-color:#fffaf0;"></div>
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==See Also==
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*[[Phosphoglucose isomerase 3D structures|Phosphoglucose isomerase 3D structures]]
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== References ==
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Oryctolagus cuniculus]]
[[Category: Oryctolagus cuniculus]]
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[[Category: Hardre, R.]]
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[[Category: Hardre R]]
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[[Category: Jeffery, C J.]]
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[[Category: Jeffery CJ]]
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[[Category: Salmon, L.]]
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[[Category: Salmon L]]
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[[Category: 5-phosphoarabinonate]]
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[[Category: Isomerase]]
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[[Category: Phosphoglucose isomerase]]
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[[Category: Transition state analogue]]
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Current revision

CRYSTAL STRUCTURE ANALYSIS OF RABBIT PHOSPHOGLUCOSE ISOMERASE COMPLEXED WITH 5-PHOSPHOARABINONATE, A TRANSITION STATE ANALOGUE

PDB ID 1g98

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