1ga8

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{{Seed}}
 
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[[Image:1ga8.png|left|200px]]
 
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==CRYSTAL STRUCTURE OF GALACOSYLTRANSFERASE LGTC IN COMPLEX WITH DONOR AND ACCEPTOR SUGAR ANALOGS.==
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The line below this paragraph, containing "STRUCTURE_1ga8", creates the "Structure Box" on the page.
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<StructureSection load='1ga8' size='340' side='right'caption='[[1ga8]], [[Resolution|resolution]] 2.00&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'>[[1ga8]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Neisseria_meningitidis Neisseria meningitidis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1GA8 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1GA8 FirstGlance]. <br>
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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&#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=BGC:BETA-D-GLUCOSE'>BGC</scene>, <scene name='pdbligand=MN:MANGANESE+(II)+ION'>MN</scene>, <scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene>, <scene name='pdbligand=PRD_900074:4-deoxy-beta-lactose'>PRD_900074</scene>, <scene name='pdbligand=UPF:URIDINE-5-DIPHOSPHATE-2-DEOXY-2-FLUOROGALACTOSE'>UPF</scene>, <scene name='pdbligand=Z9D:4-deoxy-beta-D-xylo-hexopyranose'>Z9D</scene></td></tr>
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{{STRUCTURE_1ga8| PDB=1ga8 | 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=1ga8 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ga8 OCA], [https://pdbe.org/1ga8 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1ga8 RCSB], [https://www.ebi.ac.uk/pdbsum/1ga8 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1ga8 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/Q93EK7_NEIME Q93EK7_NEIME]
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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/ga/1ga8_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.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=1ga8 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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Many bacterial pathogens express lipooligosaccharides that mimic human cell surface glycoconjugates, enabling them to attach to host receptors and to evade the immune response. In Neisseria meningitidis, the galactosyltransferase LgtC catalyzes a key step in the biosynthesis of lipooligosaccharide structure by transferring alpha-d-galactose from UDP-galactose to a terminal lactose. The product retains the configuration of the donor sugar glycosidic bond; LgtC is thus a retaining glycosyltranferase. We report the 2 A crystal structures of the complex of LgtC with manganese and UDP 2-deoxy-2-fluoro-galactose (a donor sugar analog) in the presence and absence of the acceptor sugar analog 4'-deoxylactose. The structures, together with results from site-directed mutagenesis and kinetic analysis, give valuable insights into the unique catalytic mechanism and, as the first structure of a glycosyltransferase in complex with both the donor and acceptor sugars, provide a starting point for inhibitor design.
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===CRYSTAL STRUCTURE OF GALACOSYLTRANSFERASE LGTC IN COMPLEX WITH DONOR AND ACCEPTOR SUGAR ANALOGS.===
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Crystal structure of the retaining galactosyltransferase LgtC from Neisseria meningitidis in complex with donor and acceptor sugar analogs.,Persson K, Ly HD, Dieckelmann M, Wakarchuk WW, Withers SG, Strynadka NC Nat Struct Biol. 2001 Feb;8(2):166-75. PMID:11175908<ref>PMID:11175908</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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The line below this paragraph, {{ABSTRACT_PUBMED_11175908}}, adds the Publication Abstract to the page
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<div class="pdbe-citations 1ga8" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 11175908 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_11175908}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[Category: Large Structures]]
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1GA8 is a 1 chain structure of sequence from [http://en.wikipedia.org/wiki/Neisseria_meningitidis Neisseria meningitidis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1GA8 OCA].
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==Reference==
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<ref group="xtra">PMID:11175908</ref><references group="xtra"/>
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[[Category: Lipopolysaccharide 3-alpha-galactosyltransferase]]
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[[Category: Neisseria meningitidis]]
[[Category: Neisseria meningitidis]]
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[[Category: Diekelmann, M.]]
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[[Category: Diekelmann M]]
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[[Category: Ly, H D.]]
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[[Category: Ly HD]]
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[[Category: Persson, K.]]
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[[Category: Persson K]]
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[[Category: Strynadka, N C.J.]]
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[[Category: Strynadka NCJ]]
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[[Category: Wakarchuk, W W.]]
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[[Category: Wakarchuk WW]]
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[[Category: Withers, S G.]]
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[[Category: Withers SG]]
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[[Category: Alpha-beta protein]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Feb 16 20:56:45 2009''
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Current revision

CRYSTAL STRUCTURE OF GALACOSYLTRANSFERASE LGTC IN COMPLEX WITH DONOR AND ACCEPTOR SUGAR ANALOGS.

PDB ID 1ga8

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