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3i49

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==Crystal Structure of AlkB in complex with Fe(II), 2-oxoglutarate and methylated trinucleotide T-meC-T==
==Crystal Structure of AlkB in complex with Fe(II), 2-oxoglutarate and methylated trinucleotide T-meC-T==
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<StructureSection load='3i49' size='340' side='right' caption='[[3i49]], [[Resolution|resolution]] 1.60&Aring;' scene=''>
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<StructureSection load='3i49' size='340' side='right'caption='[[3i49]], [[Resolution|resolution]] 1.60&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[3i49]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Ecoli Ecoli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3I49 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3I49 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[3i49]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Ecoli Ecoli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3I49 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3I49 FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=AKG:2-OXOGLUTARIC+ACID'>AKG</scene>, <scene name='pdbligand=FE2:FE+(II)+ION'>FE2</scene></td></tr>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=AKG:2-OXOGLUTARIC+ACID'>AKG</scene>, <scene name='pdbligand=FE2:FE+(II)+ION'>FE2</scene></td></tr>
<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=ME6:[(2R,3S,5R)-5-(4-AZANYL-3-METHYL-2-OXO-PYRIMIDIN-3-IUM-1-YL)-3-HYDROXY-OXOLAN-2-YL]METHYL+DIHYDROGEN+PHOSPHATE'>ME6</scene></td></tr>
<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=ME6:[(2R,3S,5R)-5-(4-AZANYL-3-METHYL-2-OXO-PYRIMIDIN-3-IUM-1-YL)-3-HYDROXY-OXOLAN-2-YL]METHYL+DIHYDROGEN+PHOSPHATE'>ME6</scene></td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3i3m|3i3m]], [[2iuw|2iuw]], [[3buc|3buc]], [[3i3q|3i3q]], [[3i2o|3i2o]]</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[3i3m|3i3m]], [[2iuw|2iuw]], [[3buc|3buc]], [[3i3q|3i3q]], [[3i2o|3i2o]]</div></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">aidD, alkB, b2212, JW2200 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=83333 ECOLI])</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">aidD, alkB, b2212, JW2200 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=83333 ECOLI])</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=3i49 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3i49 OCA], [http://pdbe.org/3i49 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=3i49 RCSB], [http://www.ebi.ac.uk/pdbsum/3i49 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=3i49 ProSAT]</span></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=3i49 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3i49 OCA], [https://pdbe.org/3i49 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3i49 RCSB], [https://www.ebi.ac.uk/pdbsum/3i49 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3i49 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/ALKB_ECOLI ALKB_ECOLI]] Dioxygenase that repairs alkylated DNA and RNA containing 3-methylcytosine or 1-methyladenine by oxidative demethylation. Has highest activity towards 3-methylcytosine. Has lower activity towards alkylated DNA containing ethenoadenine, and no detectable activity towards 1-methylguanine or 3-methylthymine. Accepts double-stranded and single-stranded substrates. Requires molecular oxygen, alpha-ketoglutarate and iron. Provides extensive resistance to alkylating agents such as MMS and DMS (SN2 agents), but not to MMNG and MNU (SN1 agents).<ref>PMID:12226668</ref> <ref>PMID:12594517</ref> <ref>PMID:16482161</ref> <ref>PMID:19706517</ref> <ref>PMID:21068844</ref> <ref>PMID:20084272</ref>
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[[https://www.uniprot.org/uniprot/ALKB_ECOLI ALKB_ECOLI]] Dioxygenase that repairs alkylated DNA and RNA containing 3-methylcytosine or 1-methyladenine by oxidative demethylation. Has highest activity towards 3-methylcytosine. Has lower activity towards alkylated DNA containing ethenoadenine, and no detectable activity towards 1-methylguanine or 3-methylthymine. Accepts double-stranded and single-stranded substrates. Requires molecular oxygen, alpha-ketoglutarate and iron. Provides extensive resistance to alkylating agents such as MMS and DMS (SN2 agents), but not to MMNG and MNU (SN1 agents).<ref>PMID:12226668</ref> <ref>PMID:12594517</ref> <ref>PMID:16482161</ref> <ref>PMID:19706517</ref> <ref>PMID:21068844</ref> <ref>PMID:20084272</ref>
== 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/i4/3i49_consurf.spt"</scriptWhenChecked>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/i4/3i49_consurf.spt"</scriptWhenChecked>
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
<text>to colour the structure by Evolutionary Conservation</text>
<text>to colour the structure by Evolutionary Conservation</text>
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</div>
</div>
<div class="pdbe-citations 3i49" style="background-color:#fffaf0;"></div>
<div class="pdbe-citations 3i49" style="background-color:#fffaf0;"></div>
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==See Also==
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*[[Dioxygenase 3D structures|Dioxygenase 3D structures]]
== References ==
== References ==
<references/>
<references/>
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</StructureSection>
</StructureSection>
[[Category: Ecoli]]
[[Category: Ecoli]]
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[[Category: Large Structures]]
[[Category: Hunt, J F]]
[[Category: Hunt, J F]]
[[Category: Yu, B]]
[[Category: Yu, B]]

Revision as of 10:57, 13 April 2022

Crystal Structure of AlkB in complex with Fe(II), 2-oxoglutarate and methylated trinucleotide T-meC-T

PDB ID 3i49

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