2np7
From Proteopedia
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| - | [[Image:2np7.gif|left|200px]]<br /><applet load="2np7" size="350" color="white" frame="true" align="right" spinBox="true" | ||
| - | caption="2np7, resolution 1.90Å" /> | ||
| - | '''Crystal structure of the adenine-specific DNA methyltransferase M.TaqI complexed with the cofactor analog AETA and a 10 bp DNA containing an abasic site analog at the target position and pyrrolo-dC at the target base partner position'''<br /> | ||
| - | == | + | ==Crystal structure of the adenine-specific DNA methyltransferase M.TaqI complexed with the cofactor analog AETA and a 10 bp DNA containing an abasic site analog at the target position and pyrrolo-dC at the target base partner position== |
| - | + | <StructureSection load='2np7' size='340' side='right'caption='[[2np7]], [[Resolution|resolution]] 1.90Å' scene=''> | |
| - | [ | + | == Structural highlights == |
| - | [ | + | <table><tr><td colspan='2'>[[2np7]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Thermus_aquaticus Thermus aquaticus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2NP7 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2NP7 FirstGlance]. <br> |
| - | + | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.9Å</td></tr> | |
| - | + | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=3DR:1,2-DIDEOXYRIBOFURANOSE-5-PHOSPHATE'>3DR</scene>, <scene name='pdbligand=4PC:3-(2-DEOXY-5-O-PHOSPHONO-BETA-D-ERYTHRO-PENTOFURANOSYL)-6-METHYL-3,7-DIHYDRO-2H-PYRROLO[2,3-D]PYRIMIDIN-2-ONE'>4PC</scene>, <scene name='pdbligand=6MA:N6-METHYL-DEOXY-ADENOSINE-5-MONOPHOSPHATE'>6MA</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=NEA:5-DEOXY-5-[2-(AMINO)ETHYLTHIO]ADENOSINE'>NEA</scene></td></tr> | |
| - | [ | + | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2np7 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2np7 OCA], [https://pdbe.org/2np7 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2np7 RCSB], [https://www.ebi.ac.uk/pdbsum/2np7 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2np7 ProSAT]</span></td></tr> |
| - | [[ | + | </table> |
| - | + | == Function == | |
| - | + | [https://www.uniprot.org/uniprot/MTTA_THEAQ MTTA_THEAQ] This methylase recognizes the double-stranded sequence TCGA, causes specific methylation on A-4 on both strands and protects the DNA from cleavage by the TaqI endonuclease. | |
| - | + | == Evolutionary Conservation == | |
| - | + | [[Image:Consurf_key_small.gif|200px|right]] | |
| - | + | Check<jmol> | |
| - | + | <jmolCheckbox> | |
| - | [ | + | <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/np/2np7_consurf.spt"</scriptWhenChecked> |
| - | [[ | + | <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked> |
| - | [ | + | <text>to colour the structure by Evolutionary Conservation</text> |
| - | + | </jmolCheckbox> | |
| + | </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=2np7 ConSurf]. | ||
| + | <div style="clear:both"></div> | ||
| - | + | ==See Also== | |
| + | *[[DNA methyltransferase 3D structures|DNA methyltransferase 3D structures]] | ||
| + | __TOC__ | ||
| + | </StructureSection> | ||
| + | [[Category: Large Structures]] | ||
| + | [[Category: Thermus aquaticus]] | ||
| + | [[Category: Lenz T]] | ||
| + | [[Category: Scheidig AJ]] | ||
| + | [[Category: Weinhold E]] | ||
Current revision
Crystal structure of the adenine-specific DNA methyltransferase M.TaqI complexed with the cofactor analog AETA and a 10 bp DNA containing an abasic site analog at the target position and pyrrolo-dC at the target base partner position
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