1t39

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==HUMAN O6-ALKYLGUANINE-DNA ALKYLTRANSFERASE COVALENTLY CROSSLINKED TO DNA==
==HUMAN O6-ALKYLGUANINE-DNA ALKYLTRANSFERASE COVALENTLY CROSSLINKED TO DNA==
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<StructureSection load='1t39' size='340' side='right' caption='[[1t39]], [[Resolution|resolution]] 3.30&Aring;' scene=''>
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<StructureSection load='1t39' size='340' side='right'caption='[[1t39]], [[Resolution|resolution]] 3.30&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[1t39]] is a 6 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1T39 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1T39 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[1t39]] is a 6 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1T39 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1T39 FirstGlance]. <br>
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</td></tr><tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=E1X:PHOSPHORIC+ACID+MONO-[5-(1-ETHYL-2,6-DIOXO-1,2,3,6-TETRAHYDRO-PURIN-9-YL)-3-HYDROXY-TETRAHYDRO-FURAN-2-YLMETHYL]ESTER'>E1X</scene></td></tr>
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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]] 3.3&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1eh6|1eh6]], [[1eh7|1eh7]], [[1eh8|1eh8]], [[1t38|1t38]]</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=E1X:PHOSPHORIC+ACID+MONO-[5-(1-ETHYL-2,6-DIOXO-1,2,3,6-TETRAHYDRO-PURIN-9-YL)-3-HYDROXY-TETRAHYDRO-FURAN-2-YLMETHYL]ESTER'>E1X</scene></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">MGMT ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])</td></tr>
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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=1t39 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1t39 OCA], [https://pdbe.org/1t39 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1t39 RCSB], [https://www.ebi.ac.uk/pdbsum/1t39 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1t39 ProSAT]</span></td></tr>
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<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Methylated-DNA--[protein]-cysteine_S-methyltransferase Methylated-DNA--[protein]-cysteine S-methyltransferase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.1.1.63 2.1.1.63] </span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1t39 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1t39 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1t39 RCSB], [http://www.ebi.ac.uk/pdbsum/1t39 PDBsum]</span></td></tr>
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</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/MGMT_HUMAN MGMT_HUMAN]] Involved in the cellular defense against the biological effects of O6-methylguanine (O6-MeG) in DNA. Repairs alkylated guanine in DNA by stoichiometrically transferring the alkyl group at the O-6 position to a cysteine residue in the enzyme. This is a suicide reaction: the enzyme is irreversibly inactivated.
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[https://www.uniprot.org/uniprot/MGMT_HUMAN MGMT_HUMAN] Involved in the cellular defense against the biological effects of O6-methylguanine (O6-MeG) in DNA. Repairs alkylated guanine in DNA by stoichiometrically transferring the alkyl group at the O-6 position to a cysteine residue in the enzyme. This is a suicide reaction: the enzyme is irreversibly inactivated.
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
Check<jmol>
<jmolCheckbox>
<jmolCheckbox>
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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/t3/1t39_consurf.spt"</scriptWhenChecked>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/t3/1t39_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
<text>to colour the structure by Evolutionary Conservation</text>
<text>to colour the structure by Evolutionary Conservation</text>
</jmolCheckbox>
</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/chain_selection.php?pdb_ID=2ata ConSurf].
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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=1t39 ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
<div style="background-color:#fffaf0;">
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
</div>
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<div class="pdbe-citations 1t39" style="background-color:#fffaf0;"></div>
==See Also==
==See Also==
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*[[DNA methyltransferase|DNA methyltransferase]]
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*[[DNA methyltransferase 3D structures|DNA methyltransferase 3D structures]]
== References ==
== References ==
<references/>
<references/>
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</StructureSection>
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Clarke, N D]]
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[[Category: Large Structures]]
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[[Category: Daniels, D S]]
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[[Category: Clarke ND]]
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[[Category: Luu, K X]]
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[[Category: Daniels DS]]
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[[Category: Noll, D M]]
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[[Category: Luu KX]]
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[[Category: Pegg, A E]]
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[[Category: Noll DM]]
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[[Category: Tainer, J A]]
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[[Category: Pegg AE]]
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[[Category: Woo, T T]]
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[[Category: Tainer JA]]
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[[Category: Alkyltransferase]]
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[[Category: Woo TT]]
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[[Category: Dna repair]]
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[[Category: Helix-turn-helix]]
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[[Category: Methyltransferase]]
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[[Category: Transferase-dna complex]]
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Current revision

HUMAN O6-ALKYLGUANINE-DNA ALKYLTRANSFERASE COVALENTLY CROSSLINKED TO DNA

PDB ID 1t39

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OCA

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