1sfe: Difference between revisions

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{{Seed}}
[[Image:1sfe.png|left|200px]]


<!--
==ADA O6-METHYLGUANINE-DNA METHYLTRANSFERASE FROM ESCHERICHIA COLI==
The line below this paragraph, containing "STRUCTURE_1sfe", creates the "Structure Box" on the page.
<StructureSection load='1sfe' size='340' side='right'caption='[[1sfe]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
You may change the PDB parameter (which sets the PDB file loaded into the applet)
== Structural highlights ==
or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
<table><tr><td colspan='2'>[[1sfe]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli_B Escherichia coli B]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1SFE OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1SFE FirstGlance]. <br>
or leave the SCENE parameter empty for the default display.
</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>
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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=1sfe FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1sfe OCA], [https://pdbe.org/1sfe PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1sfe RCSB], [https://www.ebi.ac.uk/pdbsum/1sfe PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1sfe ProSAT]</span></td></tr>
{{STRUCTURE_1sfe| PDB=1sfe |  SCENE= }}
</table>
== Function ==
[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 ==
[[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/sf/1sfe_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=1sfe ConSurf].
<div style="clear:both"></div>


===ADA O6-METHYLGUANINE-DNA METHYLTRANSFERASE FROM ESCHERICHIA COLI===
==See Also==
 
*[[DNA methyltransferase 3D structures|DNA methyltransferase 3D structures]]
 
== References ==
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The line below this paragraph, {{ABSTRACT_PUBMED_8156986}}, adds the Publication Abstract to the page
__TOC__
(as it appears on PubMed at http://www.pubmed.gov), where 8156986 is the PubMed ID number.
</StructureSection>
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[[Category: Escherichia coli B]]
{{ABSTRACT_PUBMED_8156986}}
[[Category: Large Structures]]
 
[[Category: Demple B]]
==About this Structure==
[[Category: Dodson EJ]]
1SFE is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1SFE OCA].
[[Category: Gulbis JM]]
 
[[Category: Moody PCE]]
==Reference==
[[Category: Moore MH]]
Crystal structure of a suicidal DNA repair protein: the Ada O6-methylguanine-DNA methyltransferase from E. coli., Moore MH, Gulbis JM, Dodson EJ, Demple B, Moody PC, EMBO J. 1994 Apr 1;13(7):1495-501. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/8156986 8156986]
[[Category: Escherichia coli]]
[[Category: Single protein]]
[[Category: Demple, B.]]
[[Category: Dodson, E J.]]
[[Category: Gulbis, J M.]]
[[Category: Moody, P C.E.]]
[[Category: Moore, M H.]]
[[Category: Dna repair protein]]
[[Category: Dna-binding protein]]
[[Category: Enzyme]]
[[Category: Methyltransferase]]
[[Category: Nucleic acid binding protein]]
[[Category: Transferase]]
 
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Retrieved from "https://proteopedia.org/1sfe"