2hmy

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[[Image:2hmy.png|left|200px]]
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==BINARY COMPLEX OF HHAI METHYLTRANSFERASE WITH ADOMET FORMED IN THE PRESENCE OF A SHORT NONPSECIFIC DNA OLIGONUCLEOTIDE==
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<StructureSection load='2hmy' size='340' side='right' caption='[[2hmy]], [[Resolution|resolution]] 2.61&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2hmy]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Haemophilus_haemolyticus Haemophilus haemolyticus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2HMY OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2HMY FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=SAM:S-ADENOSYLMETHIONINE'>SAM</scene><br>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Deleted_entry Deleted entry], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.1.1.73 2.1.1.73] </span></td></tr>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2hmy FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2hmy OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2hmy RCSB], [http://www.ebi.ac.uk/pdbsum/2hmy PDBsum]</span></td></tr>
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<table>
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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/hm/2hmy_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/chain_selection.php?pdb_ID=2ata ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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We have determined a structure for a complex formed between HhaI methyltransferase (M.HhaI) and S-adenosyl-L-methionine (AdoMet) in the presence of a non-specific short oligonucleotide. M.HhaI binds to the non-specific short oligonucleotides in solution. Although no DNA is incorporated in the crystal, AdoMet binds in a primed orientation, identical with that observed in the ternary complex of the enzyme, cognate DNA, and AdoMet or S-adenosyl-L-homocysteine (AdoHcy). This orientation differs from the previously observed unprimed orientation in the M.HhaI-AdoMet binary complex, where the S+-CH3 unit of AdoMet is protected by a favorable cation-pi interaction with Trp41. The structure suggests that the presence of DNA can guide AdoMet into the primed orientation. These results shed new light on the proposed ordered mechanism of binding and explains the stable association between AdoMet and M.HhaI.
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{{STRUCTURE_2hmy| PDB=2hmy | SCENE= }}
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Structure of a binary complex of HhaI methyltransferase with S-adenosyl-L-methionine formed in the presence of a short non-specific DNA oligonucleotide.,O'Gara M, Zhang X, Roberts RJ, Cheng X J Mol Biol. 1999 Mar 26;287(2):201-9. PMID:10080885<ref>PMID:10080885</ref>
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===BINARY COMPLEX OF HHAI METHYLTRANSFERASE WITH ADOMET FORMED IN THE PRESENCE OF A SHORT NONPSECIFIC DNA OLIGONUCLEOTIDE===
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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{{ABSTRACT_PUBMED_10080885}}
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==See Also==
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*[[HhaI DNA methyltransferase|HhaI DNA methyltransferase]]
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==About this Structure==
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== References ==
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[[2hmy]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Haemophilus_haemolyticus Haemophilus haemolyticus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2HMY OCA].
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<references/>
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__TOC__
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==Reference==
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</StructureSection>
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<ref group="xtra">PMID:010080885</ref><references group="xtra"/>
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[[Category: Deleted entry]]
[[Category: Deleted entry]]
[[Category: Haemophilus haemolyticus]]
[[Category: Haemophilus haemolyticus]]

Revision as of 08:38, 30 September 2014

BINARY COMPLEX OF HHAI METHYLTRANSFERASE WITH ADOMET FORMED IN THE PRESENCE OF A SHORT NONPSECIFIC DNA OLIGONUCLEOTIDE

2hmy, resolution 2.61Å

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