1dk4

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[[Image:1dk4.png|left|200px]]
 
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{{STRUCTURE_1dk4| PDB=1dk4 | SCENE= }}
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==CRYSTAL STRUCTURE OF MJ0109 GENE PRODUCT INOSITOL MONOPHOSPHATASE==
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<StructureSection load='1dk4' size='340' side='right'caption='[[1dk4]], [[Resolution|resolution]] 2.60&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1dk4]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Methanocaldococcus_jannaschii Methanocaldococcus jannaschii]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1DK4 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1DK4 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]] 2.6&#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=PO4:PHOSPHATE+ION'>PO4</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</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=1dk4 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1dk4 OCA], [https://pdbe.org/1dk4 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1dk4 RCSB], [https://www.ebi.ac.uk/pdbsum/1dk4 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1dk4 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/BSUHB_METJA BSUHB_METJA] Phosphatase with broad specificity; it can dephosphorylate fructose 1,6-bisphosphate, both D and L isomers of inositol-1-phosphate (I-1-P), 2'-AMP, pNPP, beta-glycerol phosphate, and alpha-D-glucose-1-phosphate. Cannot hydrolyze glucose-6-phosphate, fructose-6-phosphate, NAD(+) or 5'-AMP. May be involved in the biosynthesis of a unique osmolyte, di-myo-inositol 1,1-phosphate.<ref>PMID:11062561</ref> <ref>PMID:9647837</ref>
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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/dk/1dk4_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=1dk4 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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In sequenced genomes, protein coding regions with unassigned function constitute between 10 and 50% of all open reading frames. Often key enzymes cannot be identified using sequence homology searches. For example, despite the fact that methanogens have an apparently functional gluconeogenesis pathway, standard tools have been unable to identify a fructose-1,6-bisphosphatase (FBPase) gene in the sequenced Methanoccocus jannaschii genome. Using a combination of functional and structural tools, we have shown that the protein product of the M. jannaschii gene MJ0109, which had been tentatively annotated as an inositol monophosphatase (IMPase), has both IMPase and FBPase activities. Moreover, several gene products annotated as IMPases from different thermophilic organisms also possess FBPase activity. Thus, we have found the FBPase that was 'missing' in thermophiles and shown that it also functions as an IMPase.
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===CRYSTAL STRUCTURE OF MJ0109 GENE PRODUCT INOSITOL MONOPHOSPHATASE===
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MJ0109 is an enzyme that is both an inositol monophosphatase and the 'missing' archaeal fructose-1,6-bisphosphatase.,Stec B, Yang H, Johnson KA, Chen L, Roberts MF Nat Struct Biol. 2000 Nov;7(11):1046-50. PMID:11062561<ref>PMID:11062561</ref>
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{{ABSTRACT_PUBMED_11062561}}
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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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==About this Structure==
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<div class="pdbe-citations 1dk4" style="background-color:#fffaf0;"></div>
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[[1dk4]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Methanocaldococcus_jannaschii Methanocaldococcus jannaschii]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1DK4 OCA].
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==See Also==
==See Also==
*[[Inositol Monophosphatase|Inositol Monophosphatase]]
*[[Inositol Monophosphatase|Inositol Monophosphatase]]
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*[[Inositol monophosphatase 3D structures|Inositol monophosphatase 3D structures]]
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==Reference==
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== References ==
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<ref group="xtra">PMID:011062561</ref><ref group="xtra">PMID:011170378</ref><references group="xtra"/>
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<references/>
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[[Category: Inositol-phosphate phosphatase]]
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Methanocaldococcus jannaschii]]
[[Category: Methanocaldococcus jannaschii]]
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[[Category: Chen, L.]]
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[[Category: Chen L]]
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[[Category: Johnson, K A.]]
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[[Category: Johnson KA]]
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[[Category: Roberts, M F.]]
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[[Category: Roberts MF]]
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[[Category: Stec, B.]]
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[[Category: Stec B]]
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[[Category: Yang, H.]]
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[[Category: Yang H]]
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[[Category: Complexed with zn and pi]]
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[[Category: Homodimer]]
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[[Category: Hydrolase]]
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Current revision

CRYSTAL STRUCTURE OF MJ0109 GENE PRODUCT INOSITOL MONOPHOSPHATASE

PDB ID 1dk4

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