1tpy

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[[Image:1tpy.jpg|left|200px]]
 
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{{Structure
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==Structure of the cyclopropane synthase MmaA2 from Mycobacterium tuberculosis==
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|PDB= 1tpy |SIZE=350|CAPTION= <scene name='initialview01'>1tpy</scene>, resolution 2.2&Aring;
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<StructureSection load='1tpy' size='340' side='right'caption='[[1tpy]], [[Resolution|resolution]] 2.20&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=CO3:CARBONATE+ION'>CO3</scene>, <scene name='pdbligand=SAH:S-ADENOSYL-L-HOMOCYSTEINE'>SAH</scene> and <scene name='pdbligand=16A:CETYL-TRIMETHYL-AMMONIUM'>16A</scene>
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<table><tr><td colspan='2'>[[1tpy]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Mycobacterium_tuberculosis Mycobacterium tuberculosis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1TPY OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1TPY FirstGlance]. <br>
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|ACTIVITY= [http://en.wikipedia.org/wiki/Cyclopropane-fatty-acyl-phospholipid_synthase Cyclopropane-fatty-acyl-phospholipid synthase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.1.1.79 2.1.1.79]
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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]] 2.2&#8491;</td></tr>
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|GENE= mmaA2 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1773 Mycobacterium tuberculosis])
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=16A:CETYL-TRIMETHYL-AMMONIUM'>16A</scene>, <scene name='pdbligand=CO3:CARBONATE+ION'>CO3</scene>, <scene name='pdbligand=SAH:S-ADENOSYL-L-HOMOCYSTEINE'>SAH</scene></td></tr>
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}}
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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=1tpy FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1tpy OCA], [https://pdbe.org/1tpy PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1tpy RCSB], [https://www.ebi.ac.uk/pdbsum/1tpy PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1tpy ProSAT]</span></td></tr>
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</table>
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'''Structure of the cyclopropane synthase MmaA2 from Mycobacterium tuberculosis'''
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== Function ==
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[https://www.uniprot.org/uniprot/MMAA2_MYCTU MMAA2_MYCTU] Catalyzes the conversion of a double bond to a cis cyclopropane ring at the distal position of an alpha mycolic acid via the transfer of a methylene group from S-adenosyl-L-methionine. MmaA2 also catalyzes the biosynthesis of the cis-cyclopropanated methoxymycolates. Cyclopropanated mycolic acids are key factors participating in cell envelope permeability, host immunomodulation and persistence.<ref>PMID:12502719</ref> <ref>PMID:20472794</ref>
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== Evolutionary Conservation ==
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==About this Structure==
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[[Image:Consurf_key_small.gif|200px|right]]
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1TPY is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Mycobacterium_tuberculosis Mycobacterium tuberculosis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1TPY OCA].
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Check<jmol>
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[[Category: Cyclopropane-fatty-acyl-phospholipid synthase]]
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/tp/1tpy_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=1tpy ConSurf].
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<div style="clear:both"></div>
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== References ==
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Mycobacterium tuberculosis]]
[[Category: Mycobacterium tuberculosis]]
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[[Category: Single protein]]
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[[Category: Sacchettini JC]]
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[[Category: Sacchettini, J C.]]
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[[Category: Smith CV]]
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[[Category: Smith, C V.]]
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[[Category: 16A]]
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[[Category: CO3]]
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[[Category: SAH]]
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[[Category: cyclopropane synthase]]
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[[Category: methyltransferase]]
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[[Category: mycolic acid]]
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[[Category: sam-dependent]]
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[[Category: tuberculosis]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 14:21:36 2008''
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Current revision

Structure of the cyclopropane synthase MmaA2 from Mycobacterium tuberculosis

PDB ID 1tpy

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