3qhx

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<StructureSection load='3qhx' size='340' side='right'caption='[[3qhx]], [[Resolution|resolution]] 1.65&Aring;' scene=''>
<StructureSection load='3qhx' size='340' side='right'caption='[[3qhx]], [[Resolution|resolution]] 1.65&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[3qhx]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Mycua Mycua]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3QHX OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3QHX FirstGlance]. <br>
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<table><tr><td colspan='2'>[[3qhx]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Mycobacterium_ulcerans_Agy99 Mycobacterium ulcerans Agy99]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3QHX OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3QHX 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=EPE:4-(2-HYDROXYETHYL)-1-PIPERAZINE+ETHANESULFONIC+ACID'>EPE</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</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">X-ray diffraction, [[Resolution|Resolution]] 1.65&#8491;</td></tr>
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<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=LLP:(2S)-2-AMINO-6-[[3-HYDROXY-2-METHYL-5-(PHOSPHONOOXYMETHYL)PYRIDIN-4-YL]METHYLIDENEAMINO]HEXANOIC+ACID'>LLP</scene></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=EPE:4-(2-HYDROXYETHYL)-1-PIPERAZINE+ETHANESULFONIC+ACID'>EPE</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=LLP:(2S)-2-AMINO-6-[[3-HYDROXY-2-METHYL-5-(PHOSPHONOOXYMETHYL)PYRIDIN-4-YL]METHYLIDENEAMINO]HEXANOIC+ACID'>LLP</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[3qi6|3qi6]]</div></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">metB, MUL_0201 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=362242 MYCUA])</td></tr>
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<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/Cystathionine_gamma-synthase Cystathionine gamma-synthase], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.5.1.48 2.5.1.48] </span></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=3qhx FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3qhx OCA], [https://pdbe.org/3qhx PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3qhx RCSB], [https://www.ebi.ac.uk/pdbsum/3qhx PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3qhx 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=3qhx FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3qhx OCA], [https://pdbe.org/3qhx PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3qhx RCSB], [https://www.ebi.ac.uk/pdbsum/3qhx PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3qhx ProSAT]</span></td></tr>
</table>
</table>
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<div style="background-color:#fffaf0;">
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== Function ==
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== Publication Abstract from PubMed ==
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[https://www.uniprot.org/uniprot/A0PKT3_MYCUA A0PKT3_MYCUA]
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Cystathionine gamma-synthase (CGS) is a transulfurication enzyme that catalyzes the first specific step in L-methionine biosynthesis by the reaction of O(4)-succinyl-L-homoserine and L-cysteine to produce L-cystathionine and succinate. Controlling the first step in L-methionine biosythesis, CGS is an excellent potential drug target. Mycobacterium ulcerans is a slow-growing mycobacterium that is the third most common form of mycobacterial infection, mainly infecting people in Africa, Australia and Southeast Asia. Infected patients display a variety of skin ailments ranging from indolent non-ulcerated lesions as well as ulcerated lesions. Here, the crystal structure of CGS from M. ulcerans covalently linked to the cofactor pyridoxal phosphate (PLP) is reported at 1.9 A resolution. A second structure contains PLP as well as a highly ordered HEPES molecule in the active site acting as a pseudo-ligand. These results present the first structure of a CGS from a mycobacterium and allow comparison with other CGS enzymes. This is also the first structure reported from the pathogen M. ulcerans.
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Structure of the cystathionine gamma-synthase MetB from Mycobacterium ulcerans.,Clifton MC, Abendroth J, Edwards TE, Leibly DJ, Gillespie AK, Ferrell M, Dieterich SH, Exley I, Staker BL, Myler PJ, Van Voorhis WC, Stewart LJ Acta Crystallogr Sect F Struct Biol Cryst Commun. 2011 Sep 1;67(Pt 9):1154-8., Epub 2011 Aug 16. PMID:21904066<ref>PMID:21904066</ref>
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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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<div class="pdbe-citations 3qhx" style="background-color:#fffaf0;"></div>
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==See Also==
==See Also==
*[[Cystathionine gamma synthase|Cystathionine gamma synthase]]
*[[Cystathionine gamma synthase|Cystathionine gamma synthase]]
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== References ==
 
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<references/>
 
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Cystathionine gamma-synthase]]
 
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Mycua]]
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[[Category: Mycobacterium ulcerans Agy99]]
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[[Category: Structural genomic]]
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[[Category: Aat_i superfamily]]
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[[Category: Cgs_like]]
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[[Category: Llp]]
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[[Category: Lyase]]
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[[Category: Plp]]
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[[Category: Ssgcid]]
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Current revision

Crystal Structure of Cystathionine gamma-synthase MetB (Cgs) from Mycobacterium ulcerans Agy99 bound to HEPES

PDB ID 3qhx

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