1s3i

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[[Image:1s3i.jpg|left|200px]]
 
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{{Structure
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==Crystal structure of the N terminal hydrolase domain of 10-formyltetrahydrofolate dehydrogenase==
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|PDB= 1s3i |SIZE=350|CAPTION= <scene name='initialview01'>1s3i</scene>, resolution 2.30&Aring;
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<StructureSection load='1s3i' size='340' side='right'caption='[[1s3i]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=BME:BETA-MERCAPTOETHANOL'>BME</scene>
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<table><tr><td colspan='2'>[[1s3i]] is a 1 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=1S3I OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1S3I FirstGlance]. <br>
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|ACTIVITY= [http://en.wikipedia.org/wiki/Formyltetrahydrofolate_dehydrogenase Formyltetrahydrofolate dehydrogenase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.5.1.6 1.5.1.6]
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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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|GENE= FTHFD ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10116 Rattus norvegicus])
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BME:BETA-MERCAPTOETHANOL'>BME</scene></td></tr>
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}}
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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=1s3i FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1s3i OCA], [https://pdbe.org/1s3i PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1s3i RCSB], [https://www.ebi.ac.uk/pdbsum/1s3i PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1s3i ProSAT]</span></td></tr>
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</table>
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'''Crystal structure of the N terminal hydrolase domain of 10-formyltetrahydrofolate dehydrogenase'''
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== Function ==
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[https://www.uniprot.org/uniprot/AL1L1_RAT AL1L1_RAT]
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== Evolutionary Conservation ==
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==Overview==
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[[Image:Consurf_key_small.gif|200px|right]]
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10-Formyltetrahydrofolate dehydrogenase (FDH) converts 10-formyltetrahydrofolate, a precursor for nucleotide biosynthesis, to tetrahydrofolate. The protein comprises two functional domains: a hydrolase domain that removes a formyl group from 10-formyltetrahydrofolate and a NADP(+)-dependent dehydrogenase domain that reduces the formyl to carbon dioxide. As a first step toward deciphering the catalytic mechanism of the enzyme, we have determined the crystal structure of the hydrolase domain of FDH from rat, solved to 2.3-A resolution. The structure comprises two domains. As expected, domain 1 shares the same Rossmann fold as the related enzymes, methionyl-tRNA-formyltransferase and glycinamide ribonucleotide formyltransferase, but, unexpectedly, the structural similarity between the amino-terminal domain of 10-formyltetrahydrofolate dehydrogenase and methionyl-tRNA-formyltransferase extends to the C terminus of both proteins. The active site contains a molecule of beta-mercaptoethanol that is positioned between His-106 and Asp-142 and that appears to mimic the formate product. We propose a catalytic mechanism for the hydrolase reaction in which Asp-142 polarizes the catalytic water molecule and His-106 orients the carbonyl group of formyl. The structure also provides clues as to how, in the native enzyme, the hydrolase domain transfers its product to the dehydrogenase domain.
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Check<jmol>
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<jmolCheckbox>
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==About this Structure==
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/s3/1s3i_consurf.spt"</scriptWhenChecked>
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1S3I is a [[Single protein]] structure of 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=1S3I OCA].
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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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==Reference==
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</jmolCheckbox>
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The crystal structure of the hydrolase domain of 10-formyltetrahydrofolate dehydrogenase: mechanism of hydrolysis and its interplay with the dehydrogenase domain., Chumanevich AA, Krupenko SA, Davies C, J Biol Chem. 2004 Apr 2;279(14):14355-64. Epub 2004 Jan 16. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/14729668 14729668]
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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=1s3i ConSurf].
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[[Category: Formyltetrahydrofolate dehydrogenase]]
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<div style="clear:both"></div>
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Rattus norvegicus]]
[[Category: Rattus norvegicus]]
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[[Category: Single protein]]
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[[Category: Chumanevich AA]]
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[[Category: Chumanevich, A A.]]
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[[Category: Davies C]]
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[[Category: Davies, C.]]
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[[Category: Krupenko SA]]
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[[Category: Krupenko, S A.]]
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[[Category: BME]]
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[[Category: rossmann fold]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 13:59:55 2008''
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Current revision

Crystal structure of the N terminal hydrolase domain of 10-formyltetrahydrofolate dehydrogenase

PDB ID 1s3i

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