5byb

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'''Unreleased structure'''
 
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The entry 5byb is ON HOLD until Paper Publication
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==Crystal structure of the catalytic domain of human diphosphoinositol pentakisphosphate kinase 2 (PPIP5K2) in complex with ADP and 1,5-(PA)2-IP4==
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<StructureSection load='5byb' size='340' side='right'caption='[[5byb]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[5byb]] 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=5BYB OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5BYB 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]] 2.3&#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=4WY:{[(1R,3S,4S,5R,6S)-2,4,5,6-TETRAKIS(PHOSPHONOOXY)CYCLOHEXANE-1,3-DIYL]BIS[OXY(2-OXOETHANE-2,1-DIYL)]}BIS(PHOSPHONIC+ACID)'>4WY</scene>, <scene name='pdbligand=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=ADP:ADENOSINE-5-DIPHOSPHATE'>ADP</scene>, <scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</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=5byb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5byb OCA], [https://pdbe.org/5byb PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5byb RCSB], [https://www.ebi.ac.uk/pdbsum/5byb PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5byb ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/VIP2_HUMAN VIP2_HUMAN] Bifunctional inositol kinase that acts in concert with the IP6K kinases IP6K1, IP6K2 and IP6K3 to synthesize the diphosphate group-containing inositol pyrophosphates diphosphoinositol pentakisphosphate, PP-InsP5, and bis-diphosphoinositol tetrakisphosphate, (PP)2-InsP4. PP-InsP5 and (PP)2-InsP4, also respectively called InsP7 and InsP8, regulate a variety of cellular processes, including apoptosis, vesicle trafficking, cytoskeletal dynamics, exocytosis, insulin signaling and neutrophil activation. Phosphorylates inositol hexakisphosphate (InsP6) at positions 1 or 3 to produce PP-InsP5 which is in turn phosphorylated by IP6Ks to produce (PP)2-InsP4. Alternatively, phosphorylates at position 1 or 3 PP-InsP5, produced by IP6Ks from InsP6, to produce (PP)2-InsP4.<ref>PMID:17690096</ref> <ref>PMID:17702752</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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To synthesise stabilised mimics of InsP8, the most phosphorylated inositol phosphate signalling molecule in Nature, we replaced its two diphosphate (PP) groups with either phosphonoacetate (PA) or methylenebisphosphonate (PCP) groups. Utility of the PA and PCP analogues was verified by structural and biochemical analyses of their interactions with enzymes of InsP8 metabolism.
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Authors: Wang, H., Shears, S.B.
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Synthetic tools for studying the chemical biology of InsP8.,Riley AM, Wang H, Shears SB, L Potter BV Chem Commun (Camb). 2015 Jul 23;51(63):12605-8. doi: 10.1039/c5cc05017k. PMID:26153667<ref>PMID:26153667</ref>
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Description: Crystal structure of the catalytic domain of human diphosphoinositol pentakisphosphate kinase 2 (PPIP5K2) in complex with ADP and 1,5-(PA)2-IP4
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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[[Category: Unreleased Structures]]
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</div>
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[[Category: Shears, S.B]]
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<div class="pdbe-citations 5byb" style="background-color:#fffaf0;"></div>
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[[Category: Wang, H]]
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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: Shears SB]]
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[[Category: Wang H]]

Current revision

Crystal structure of the catalytic domain of human diphosphoinositol pentakisphosphate kinase 2 (PPIP5K2) in complex with ADP and 1,5-(PA)2-IP4

PDB ID 5byb

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