3hmk

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[[Image:3hmk.png|left|200px]]
 
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{{STRUCTURE_3hmk| PDB=3hmk | SCENE= }}
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==Crystal Structure of Serine Racemase==
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<StructureSection load='3hmk' size='340' side='right'caption='[[3hmk]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3hmk]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Rattus_norvegicus Rattus norvegicus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3HMK OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3HMK 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]] 2.1&#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=MN:MANGANESE+(II)+ION'>MN</scene>, <scene name='pdbligand=PLP:PYRIDOXAL-5-PHOSPHATE'>PLP</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=3hmk FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3hmk OCA], [https://pdbe.org/3hmk PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3hmk RCSB], [https://www.ebi.ac.uk/pdbsum/3hmk PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3hmk ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/SRR_RAT SRR_RAT] Catalyzes the synthesis of D-serine from L-serine. D-serine is a key coagonist with glutamate at NMDA receptors. Has dehydratase activity towards both L-serine and D-serine.<ref>PMID:16713567</ref> <ref>PMID:20106978</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/hm/3hmk_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=3hmk 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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Serine racemase is responsible for the synthesis of D-serine, an endogenous co-agonist for N-methyl-D-aspartate receptor-type glutamate receptors (NMDARs). This pyridoxal 5'-phosphate-dependent enzyme is involved both in the reversible conversion of L- to D-serine and serine catabolism by alpha,beta-elimination of water, thereby regulating D-serine levels. Because D-serine affects NMDAR signaling throughout the brain, serine racemase is a promising target for the treatment of disorders related to NMDAR dysfunction. To provide a molecular basis for rational drug design the x-ray crystal structures of human and rat serine racemase were determined at 1.5- and 2.1-A resolution, respectively, and in the presence and absence of the orthosteric inhibitor malonate. The structures revealed a fold typical of beta-family pyridoxal 5'-phosphate enzymes, with both a large domain and a flexible small domain associated into a symmetric dimer, and indicated a ligand-induced rearrangement of the small domain that organizes the active site for specific turnover of the substrate.
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===Crystal Structure of Serine Racemase===
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The structure of mammalian serine racemase: evidence for conformational changes upon inhibitor binding.,Smith MA, Mack V, Ebneth A, Moraes I, Felicetti B, Wood M, Schonfeld D, Mather O, Cesura A, Barker J J Biol Chem. 2010 Apr 23;285(17):12873-81. Epub 2010 Jan 27. PMID:20106978<ref>PMID:20106978</ref>
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{{ABSTRACT_PUBMED_20106978}}
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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 3hmk" style="background-color:#fffaf0;"></div>
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[[3hmk]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Rattus_norvegicus Rattus norvegicus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3HMK OCA].
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== References ==
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<references/>
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==Reference==
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__TOC__
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<ref group="xtra">PMID:020106978</ref><references group="xtra"/>
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Rattus norvegicus]]
[[Category: Rattus norvegicus]]
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[[Category: Serine racemase]]
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[[Category: Barker J]]
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[[Category: Barker, J.]]
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[[Category: Ebneth A]]
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[[Category: Ebneth, A.]]
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[[Category: Felicetti B]]
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[[Category: Felicetti, B.]]
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[[Category: Mack V]]
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[[Category: Mack, V.]]
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[[Category: Smith MA]]
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[[Category: Smith, M A.]]
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[[Category: Woods M]]
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[[Category: Woods, M.]]
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[[Category: D-serine]]
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[[Category: Isomerase]]
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[[Category: Nmda glutamate receptor]]
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[[Category: Plp]]
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[[Category: Pyridoxal phosphate]]
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[[Category: Schizophrenia]]
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[[Category: Serine racemase]]
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Current revision

Crystal Structure of Serine Racemase

PDB ID 3hmk

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