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1adn

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==SOLUTION STRUCTURE OF THE DNA METHYLPHOSPHOTRIESTER REPAIR DOMAIN OF ESCHERICHIA COLI ADA==
==SOLUTION STRUCTURE OF THE DNA METHYLPHOSPHOTRIESTER REPAIR DOMAIN OF ESCHERICHIA COLI ADA==
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<StructureSection load='1adn' size='340' side='right'caption='[[1adn]], [[NMR_Ensembles_of_Models | 14 NMR models]]' scene=''>
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<StructureSection load='1adn' size='340' side='right'caption='[[1adn]]' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[1adn]] is a 1 chain structure. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ADN OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1ADN FirstGlance]. <br>
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<table><tr><td colspan='2'>[[1adn]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ADN OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1ADN FirstGlance]. <br>
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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=ZN:ZINC+ION'>ZN</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">Solution NMR</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=ZN:ZINC+ION'>ZN</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=1adn FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1adn OCA], [https://pdbe.org/1adn PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1adn RCSB], [https://www.ebi.ac.uk/pdbsum/1adn PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1adn ProSAT]</span></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=1adn FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1adn OCA], [https://pdbe.org/1adn PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1adn RCSB], [https://www.ebi.ac.uk/pdbsum/1adn PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1adn ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[https://www.uniprot.org/uniprot/ADA_ECOLI ADA_ECOLI]] Is involved in the adaptive response to alkylation damage in DNA caused by alkylating agents. Repairs O6-methylguanine and 04-methylthymine residues in alkylated DNA by a direct and irreversible transfer of the methyl group from the base to one of its own cysteine residues (Cys-321). Also specifically repairs the Sp diastereomer of DNA methylphosphotriester lesions by the same mechanism, although the methyl transfer occurs onto a different cysteine residue (Cys-38). Can not demethylate the other diastereomer, Rp-methylphosphotriester.<ref>PMID:2987862</ref> The methylation of Ada by methylphosphotriesters in DNA leads to its activation as a transcriptional regulator that activates the transcription of its own gene, ada, and other alkylation resistance genes, alkA, alkB and aidB.<ref>PMID:2987862</ref>
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[https://www.uniprot.org/uniprot/ADA_ECOLI ADA_ECOLI] Is involved in the adaptive response to alkylation damage in DNA caused by alkylating agents. Repairs O6-methylguanine and 04-methylthymine residues in alkylated DNA by a direct and irreversible transfer of the methyl group from the base to one of its own cysteine residues (Cys-321). Also specifically repairs the Sp diastereomer of DNA methylphosphotriester lesions by the same mechanism, although the methyl transfer occurs onto a different cysteine residue (Cys-38). Can not demethylate the other diastereomer, Rp-methylphosphotriester.<ref>PMID:2987862</ref> The methylation of Ada by methylphosphotriesters in DNA leads to its activation as a transcriptional regulator that activates the transcription of its own gene, ada, and other alkylation resistance genes, alkA, alkB and aidB.<ref>PMID:2987862</ref>
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Escherichia coli]]
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Myers, L C]]
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[[Category: Myers LC]]
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[[Category: Verdine, G L]]
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[[Category: Verdine GL]]
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[[Category: Wagner, G]]
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[[Category: Wagner G]]
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[[Category: Transcription regulation]]
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Current revision

SOLUTION STRUCTURE OF THE DNA METHYLPHOSPHOTRIESTER REPAIR DOMAIN OF ESCHERICHIA COLI ADA

PDB ID 1adn

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