2hhm

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[[Image:2hhm.jpg|left|200px]]
 
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==STRUCTURE OF INOSITOL MONOPHOSPHATASE, THE PUTATIVE TARGET OF LITHIUM THERAPY==
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The line below this paragraph, containing "STRUCTURE_2hhm", creates the "Structure Box" on the page.
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<StructureSection load='2hhm' size='340' side='right'caption='[[2hhm]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[2hhm]] is a 2 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=2HHM OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2HHM FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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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=GD:GADOLINIUM+ATOM'>GD</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
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{{STRUCTURE_2hhm| PDB=2hhm | SCENE= }}
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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=2hhm FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2hhm OCA], [https://pdbe.org/2hhm PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2hhm RCSB], [https://www.ebi.ac.uk/pdbsum/2hhm PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2hhm ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/IMPA1_HUMAN IMPA1_HUMAN] Responsible for the provision of inositol required for synthesis of phosphatidylinositol and polyphosphoinositides and has been implicated as the pharmacological target for lithium action in brain. Can use myo-inositol monophosphates, myo-inositol 1,3-diphosphate, myo-inositol 1,4-diphosphate, scyllo-inositol-phosphate, glucose-1-phosphate, glucose-6-phosphate, fructose-1-phosphate, beta-glycerophosphate, and 2'-AMP as substrates.<ref>PMID:17068342</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/hh/2hhm_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=2hhm ConSurf].
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<div style="clear:both"></div>
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'''STRUCTURE OF INOSITOL MONOPHOSPHATASE, THE PUTATIVE TARGET OF LITHIUM THERAPY'''
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==See Also==
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*[[Inositol monophosphatase 3D structures|Inositol monophosphatase 3D structures]]
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== References ==
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==Overview==
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<references/>
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Inositol monophosphatase (EC 3.1.3.25), the putative molecular site of action of lithium therapy for manic-depressive illness, plays a key role in the phosphatidylinositol signaling pathway by catalyzing the hydrolysis of inositol monophosphates. To provide a structural basis from which to design better therapeutic agents for manic-depressive illness, the structure of human inositol monophosphatase has been determined to 2.1-A resolution by using x-ray crystallography. The enzyme exists as a dimer of identical subunits, each folded into a five-layered sandwich of three pairs of alpha-helices and two beta-sheets. Sulfate and an inhibitory lanthanide cation (Gd3+) are bound at identical sites on each subunit and establish the positions of the active sites. Each site is located in a large hydrophilic cavern that is at the base of the two central helices where several segments of secondary structure intersect. Comparison of the phosphatase aligned sequences of several diverse genes with the phosphatase structure suggests that the products of these genes and the phosphatase form a structural family with a conserved metal binding site.
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__TOC__
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</StructureSection>
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==About this Structure==
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2HHM is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2HHM OCA].
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==Reference==
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Structure of inositol monophosphatase, the putative target of lithium therapy., Bone R, Springer JP, Atack JR, Proc Natl Acad Sci U S A. 1992 Nov 1;89(21):10031-5. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/1332026 1332026]
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Inositol-phosphate phosphatase]]
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[[Category: Large Structures]]
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[[Category: Single protein]]
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[[Category: Bone R]]
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[[Category: Bone, R.]]
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[[Category: Hydrolase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 06:18:21 2008''
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Current revision

STRUCTURE OF INOSITOL MONOPHOSPHATASE, THE PUTATIVE TARGET OF LITHIUM THERAPY

PDB ID 2hhm

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