3htx

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[[Image:3htx.png|left|200px]]
 
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{{STRUCTURE_3htx| PDB=3htx | SCENE= }}
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==Crystal structure of small RNA methyltransferase HEN1==
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<StructureSection load='3htx' size='340' side='right'caption='[[3htx]], [[Resolution|resolution]] 3.10&Aring;' scene=''>
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===Crystal structure of small RNA methyltransferase HEN1===
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3htx]] is a 6 chain structure with sequence from [https://en.wikipedia.org/wiki/Arabidopsis_thaliana Arabidopsis thaliana]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3HTX OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3HTX FirstGlance]. <br>
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{{ABSTRACT_PUBMED_19812675}}
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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]] 3.1&#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=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=SAH:S-ADENOSYL-L-HOMOCYSTEINE'>SAH</scene></td></tr>
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==About this Structure==
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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=3htx FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3htx OCA], [https://pdbe.org/3htx PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3htx RCSB], [https://www.ebi.ac.uk/pdbsum/3htx PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3htx ProSAT]</span></td></tr>
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[[3htx]] is a 6 chain structure with sequence from [http://en.wikipedia.org/wiki/Arabidopsis_thaliana Arabidopsis thaliana]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3HTX OCA].
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</table>
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== Function ==
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==Reference==
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[https://www.uniprot.org/uniprot/HEN1_ARATH HEN1_ARATH] Methyltransferase that adds a methyl group to the ribose of the last nucleotide of small RNAs (sRNAs). This protects the 3'-end of sRNAs from uridylation activity and subsequent degradation. Can methylate 3'-end of microRNAs (miRNAs), small interfering RNAs (siRNas) and trans-acting small interfering RNAs (ta-siRNAs). Involved in plant development through its role in small RNAs processing. Required for the specification of reproductive organ identities and the probable repression of A class genes. May control floral determinacy possibly by regulating the expression of the C class floral homeotic gene AGAMOUS (AG).<ref>PMID:11874905</ref> <ref>PMID:11917084</ref> <ref>PMID:15705854</ref> <ref>PMID:16111943</ref>
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<ref group="xtra">PMID:019812675</ref><references group="xtra"/>
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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/ht/3htx_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=3htx ConSurf].
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<div style="clear:both"></div>
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== References ==
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<references/>
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__TOC__
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</StructureSection>
[[Category: Arabidopsis thaliana]]
[[Category: Arabidopsis thaliana]]
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[[Category: Chen, X M.]]
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[[Category: Large Structures]]
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[[Category: Huang, Q C.]]
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[[Category: Chen X-M]]
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[[Category: Huang, Y.]]
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[[Category: Huang Q-C]]
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[[Category: Ji, L J.]]
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[[Category: Huang Y]]
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[[Category: Ma, J B.]]
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[[Category: Ji L-J]]
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[[Category: Vassylyev, D G.]]
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[[Category: Ma J-B]]
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[[Category: Hen1]]
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[[Category: Vassylyev DG]]
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[[Category: Protein-rna complex]]
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[[Category: Sam binding protein]]
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[[Category: Small rna methyltransferase]]
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[[Category: Transferase-rna complex]]
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Current revision

Crystal structure of small RNA methyltransferase HEN1

PDB ID 3htx

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OCA

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