2ih4: Difference between revisions

New page: left|200px<br /><applet load="2ih4" size="350" color="white" frame="true" align="right" spinBox="true" caption="2ih4, resolution 2.10Å" /> '''Crystal structure of...
 
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[[Image:2ih4.gif|left|200px]]<br /><applet load="2ih4" size="350" color="white" frame="true" align="right" spinBox="true"
caption="2ih4, resolution 2.10&Aring;" />
'''Crystal structure of the adenine-specific DNA methyltransferase M.TaqI complexed with the cofactor analog AETA and a 10 bp DNA containing pyrrolo-dC at the target base partner position'''<br />


==About this Structure==
==Crystal structure of the adenine-specific DNA methyltransferase M.TaqI complexed with the cofactor analog AETA and a 10 bp DNA containing pyrrolo-dC at the target base partner position==
2IH4 is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Thermus_aquaticus Thermus aquaticus] with <scene name='pdbligand=NEA:'>NEA</scene> and <scene name='pdbligand=GOL:'>GOL</scene> as [http://en.wikipedia.org/wiki/ligands ligands]. Active as [http://en.wikipedia.org/wiki/Site-specific_DNA-methyltransferase_(adenine-specific) Site-specific DNA-methyltransferase (adenine-specific)], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.1.1.72 2.1.1.72] Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2IH4 OCA].  
<StructureSection load='2ih4' size='340' side='right'caption='[[2ih4]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
[[Category: Single protein]]
== Structural highlights ==
[[Category: Site-specific DNA-methyltransferase (adenine-specific)]]
<table><tr><td colspan='2'>[[2ih4]] is a 6 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=2IH4 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2IH4 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]] 2.1&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><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=2ih4 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2ih4 OCA], [https://pdbe.org/2ih4 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2ih4 RCSB], [https://www.ebi.ac.uk/pdbsum/2ih4 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2ih4 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/ih/2ih4_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=2ih4 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: Thermus aquaticus]]
[[Category: Lenz, T.]]
[[Category: Lenz T]]
[[Category: Scheidig, A.J.]]
[[Category: Scheidig AJ]]
[[Category: Weinhold, E.]]
[[Category: Weinhold E]]
[[Category: GOL]]
[[Category: NEA]]
[[Category: base flipping]]
[[Category: dna]]
[[Category: dna methyltransferase]]
[[Category: nucleotide flipping]]
[[Category: pyrrolo-dc]]
[[Category: target base partner]]
[[Category: transferase/dna complex]]
 
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