4bb9

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'''Unreleased structure'''
 
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The entry 4bb9 is ON HOLD until Paper Publication
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==Crystal structure of glucokinase regulatory protein complexed to fructose-1-phosphate==
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<StructureSection load='4bb9' size='340' side='right'caption='[[4bb9]], [[Resolution|resolution]] 1.47&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[4bb9]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4BB9 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4BB9 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]] 1.47&#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=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=F1P:1-O-PHOSPHONO-BETA-D-FRUCTOPYRANOSE'>F1P</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=4bb9 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4bb9 OCA], [https://pdbe.org/4bb9 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4bb9 RCSB], [https://www.ebi.ac.uk/pdbsum/4bb9 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4bb9 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/GCKR_HUMAN GCKR_HUMAN] Inhibits glucokinase by forming an inactive complex with this enzyme.
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Glucokinase (GK) plays a major role in the regulation of blood glucose homeostasis in both the liver and the pancreas. In the liver, GK is controlled by the GK regulatory protein (GKRP). GKRP in turn is activated by fructose 6-phosphate (F6P) and inactivated by fructose 1-phosphate (F1P). Disrupting the GK-GKRP complex increases the activity of GK in the cytosol and is considered an attractive concept for the regulation of blood glucose. We have determined the crystal structure of GKRP in its inactive F1P-bound form. The binding site for F1P is located deeply buried at a domain interface, and H-D exchange experiments confirmed that F1P and F6P compete for this site. The structure of the inactive GKRP-F1P complex provides a starting point for understanding the mechanism of fructose phosphate-dependent GK regulation at an atomic level.
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Authors: Pautsch, A., Stadler, N., Loehle, A., Lenter, M., Rist, W., Berg, A., Glocker, L., Nar, H., Reinert, D., Heckel, A., Schnapp, G., Kauschke, S.G.
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Crystal Structure of Glucokinase Regulatory Protein.,Pautsch A, Stadler N, Lohle A, Rist W, Berg A, Glocker L, Nar H, Reinert D, Lenter M, Heckel A, Schnapp G, Kauschke SG Biochemistry. 2013 May 9. PMID:23621087<ref>PMID:23621087</ref>
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Description: Crystal structure of glucokinase regulatory protein complexed to fructose-1-phosphate
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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 4bb9" style="background-color:#fffaf0;"></div>
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==See Also==
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*[[Glucokinase Regulatory Protein|Glucokinase Regulatory Protein]]
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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: Homo sapiens]]
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[[Category: Large Structures]]
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[[Category: Berg A]]
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[[Category: Glocker L]]
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[[Category: Heckel A]]
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[[Category: Kauschke SG]]
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[[Category: Lenter M]]
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[[Category: Loehle A]]
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[[Category: Nar H]]
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[[Category: Pautsch A]]
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[[Category: Reinert D]]
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[[Category: Rist W]]
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[[Category: Schnapp G]]
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[[Category: Stadler N]]

Current revision

Crystal structure of glucokinase regulatory protein complexed to fructose-1-phosphate

PDB ID 4bb9

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