1i21

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{{Seed}}
 
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[[Image:1i21.png|left|200px]]
 
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==CRYSTAL STRUCTURE OF YEAST GNA1==
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The line below this paragraph, containing "STRUCTURE_1i21", creates the "Structure Box" on the page.
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<StructureSection load='1i21' size='340' side='right'caption='[[1i21]], [[Resolution|resolution]] 2.40&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'>[[1i21]] is a 6 chain structure with sequence from [https://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1I21 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1I21 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]] 2.4&#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=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
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{{STRUCTURE_1i21| PDB=1i21 | 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=1i21 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1i21 OCA], [https://pdbe.org/1i21 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1i21 RCSB], [https://www.ebi.ac.uk/pdbsum/1i21 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1i21 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/GNA1_YEAST GNA1_YEAST]
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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/i2/1i21_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=1i21 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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The yeast enzymes involved in UDP-GlcNAc biosynthesis are potential targets for antifungal agents. GNA1, a novel member of the Gcn5-related N-acetyltransferase (GNAT) superfamily, participates in UDP-GlcNAc biosynthesis by catalyzing the formation of GlcNAc6P from AcCoA and GlcN6P. We have solved three crystal structures corresponding to the apo Saccharomyces cerevisiae GNA1, the GNA1-AcCoA, and the GNA1-CoA-GlcNAc6P complexes and have refined them to 2.4, 1.3, and 1.8 A resolution, respectively. These structures not only reveal a stable, beta-intertwined, dimeric assembly with the GlcNAc6P binding site located at the dimer interface but also shed light on the catalytic machinery of GNA1 at an atomic level. Hence, they broaden our understanding of structural features required for GNAT activity, provide structural details for related aminoglycoside N-acetyltransferases, and highlight the adaptability of the GNAT superfamily members to acquire various specificities.
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===CRYSTAL STRUCTURE OF YEAST GNA1===
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The crystal structures of Apo and complexed Saccharomyces cerevisiae GNA1 shed light on the catalytic mechanism of an amino-sugar N-acetyltransferase.,Peneff C, Mengin-Lecreulx D, Bourne Y J Biol Chem. 2001 May 11;276(19):16328-34. Epub 2001 Feb 9. PMID:11278591<ref>PMID:11278591</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_11278591}}, adds the Publication Abstract to the page
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<div class="pdbe-citations 1i21" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 11278591 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_11278591}}
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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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1I21 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1I21 OCA].
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==Reference==
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The crystal structures of Apo and complexed Saccharomyces cerevisiae GNA1 shed light on the catalytic mechanism of an amino-sugar N-acetyltransferase., Peneff C, Mengin-Lecreulx D, Bourne Y, J Biol Chem. 2001 May 11;276(19):16328-34. Epub 2001 Feb 9. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/11278591 11278591]
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[[Category: Glucosamine 6-phosphate N-acetyltransferase]]
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[[Category: Saccharomyces cerevisiae]]
[[Category: Saccharomyces cerevisiae]]
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[[Category: Single protein]]
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[[Category: Bourne Y]]
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[[Category: Bourne, Y.]]
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[[Category: Mengin-Lecreulx D]]
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[[Category: Mengin-Lecreulx, D.]]
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[[Category: Peneff C]]
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[[Category: Peneff, C.]]
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[[Category: Alpha/beta]]
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[[Category: Domain swapping]]
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[[Category: Gnat]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 1 10:17:53 2008''
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Current revision

CRYSTAL STRUCTURE OF YEAST GNA1

PDB ID 1i21

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