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[[Image:2np7.png|left|200px]]


{{STRUCTURE_2np7|  PDB=2np7  |  SCENE=  }}
==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]] 1.90&Aring;' scene=''>
===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===
== 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]] 1.9&#8491;</td></tr>
==About this Structure==
<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>
[[2np7]] is a 3 chain structure with sequence from [http://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].  
<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==
==See Also==
*[[DNA methyltransferase|DNA methyltransferase]]
*[[DNA methyltransferase 3D structures|DNA methyltransferase 3D structures]]
__TOC__
</StructureSection>
[[Category: Large Structures]]
[[Category: Thermus aquaticus]]
[[Category: Thermus aquaticus]]
[[Category: Lenz, T.]]
[[Category: Lenz T]]
[[Category: Scheidig, A J.]]
[[Category: Scheidig AJ]]
[[Category: Weinhold, E.]]
[[Category: Weinhold E]]
[[Category: Abasic site analog]]
[[Category: Base flipping]]
[[Category: Dna]]
[[Category: Dna methyltransferase]]
[[Category: Nucleotide flipping]]
[[Category: Pyrrolo-dc]]
[[Category: Target base partner]]
[[Category: Transferase-dna complex]]
Retrieved from "https://proteopedia.org/2np7"