1mud

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[[Image:1mud.gif|left|200px]]
 
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==CATALYTIC DOMAIN OF MUTY FROM ESCHERICHIA COLI, D138N MUTANT COMPLEXED TO ADENINE==
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The line below this paragraph, containing "STRUCTURE_1mud", creates the "Structure Box" on the page.
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<StructureSection load='1mud' size='340' side='right'caption='[[1mud]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1mud]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1MUD OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1MUD FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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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]] 1.8&#8491;</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=ADE:ADENINE'>ADE</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=SF4:IRON/SULFUR+CLUSTER'>SF4</scene></td></tr>
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{{STRUCTURE_1mud| PDB=1mud | SCENE= }}
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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=1mud FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1mud OCA], [https://pdbe.org/1mud PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1mud RCSB], [https://www.ebi.ac.uk/pdbsum/1mud PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1mud ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/MUTY_ECOLI MUTY_ECOLI] Adenine glycosylase active on G-A mispairs. MutY also corrects error-prone DNA synthesis past GO lesions which are due to the oxidatively damaged form of guanine: 7,8-dihydro-8-oxoguanine (8-oxo-dGTP).
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/mu/1mud_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</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/main_output.php?pdb_ID=1mud ConSurf].
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<div style="clear:both"></div>
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'''CATALYTIC DOMAIN OF MUTY FROM ESCHERICHIA COLI, D138N MUTANT COMPLEXED TO ADENINE'''
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==See Also==
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*[[DNA glycosylase 3D structures|DNA glycosylase 3D structures]]
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__TOC__
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==Overview==
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</StructureSection>
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The DNA glycosylase MutY, which is a member of the Helix-hairpin-Helix (HhH) DNA glycosylase superfamily, excises adenine from mispairs with 8-oxoguanine and guanine. High-resolution crystal structures of the MutY catalytic core (cMutY), the complex with bound adenine, and designed mutants reveal the basis for adenine specificity and glycosyl bond cleavage chemistry. The two cMutY helical domains form a positively-charged groove with the adenine-specific pocket at their interface. The Watson-Crick hydrogen bond partners of the bound adenine are substituted by protein atoms, confirming a nucleotide flipping mechanism, and supporting a specific DNA binding orientation by MutY and structurally related DNA glycosylases.
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==About this Structure==
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1MUD 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=1MUD OCA].
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==Reference==
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MutY catalytic core, mutant and bound adenine structures define specificity for DNA repair enzyme superfamily., Guan Y, Manuel RC, Arvai AS, Parikh SS, Mol CD, Miller JH, Lloyd S, Tainer JA, Nat Struct Biol. 1998 Dec;5(12):1058-64. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/9846876 9846876]
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[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Guan, Y.]]
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[[Category: Guan Y]]
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[[Category: Tainer, J A.]]
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[[Category: Tainer JA]]
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[[Category: Dna g a mismatch repair enzyme]]
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[[Category: Dna repair]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 01:43:28 2008''
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Current revision

CATALYTIC DOMAIN OF MUTY FROM ESCHERICHIA COLI, D138N MUTANT COMPLEXED TO ADENINE

PDB ID 1mud

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