1kws

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{{Seed}}
 
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[[Image:1kws.png|left|200px]]
 
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==CRYSTAL STRUCTURE OF BETA1,3-GLUCURONYLTRANSFERASE I IN COMPLEX WITH THE ACTIVE UDP-GLCUA DONOR==
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The line below this paragraph, containing "STRUCTURE_1kws", creates the "Structure Box" on the page.
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<StructureSection load='1kws' size='340' side='right'caption='[[1kws]], [[Resolution|resolution]] 2.10&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'>[[1kws]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1KWS OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1KWS 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]] 2.1&#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=MN:MANGANESE+(II)+ION'>MN</scene>, <scene name='pdbligand=UGA:URIDINE-5-DIPHOSPHATE-GLUCURONIC+ACID'>UGA</scene></td></tr>
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{{STRUCTURE_1kws| PDB=1kws | 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=1kws FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1kws OCA], [https://pdbe.org/1kws PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1kws RCSB], [https://www.ebi.ac.uk/pdbsum/1kws PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1kws ProSAT]</span></td></tr>
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</table>
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== Disease ==
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[https://www.uniprot.org/uniprot/B3GA3_HUMAN B3GA3_HUMAN] Defects in B3GAT3 are the cause of multiple joint dislocations short stature craniofacial dysmorphism and congenital heart defects (JDSSDHD) [MIM:[https://omim.org/entry/245600 245600]. An autosomal recessive disease characterized by dysmorphic facies, bilateral dislocations of the elbows, hips, and knees, clubfeet, and short stature, as well as cardiovascular defects.<ref>PMID:21763480</ref>
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== Function ==
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[https://www.uniprot.org/uniprot/B3GA3_HUMAN B3GA3_HUMAN] Glycosaminoglycans biosynthesis. Involved in forming the linkage tetrasaccharide present in heparan sulfate and chondroitin sulfate. Transfers a glucuronic acid moiety from the uridine diphosphate-glucuronic acid (UDP-GlcUA) to the common linkage region trisaccharide Gal-beta-1,3-Gal-beta-1,4-Xyl covalently bound to a Ser residue at the glycosaminylglycan attachment site of proteoglycans. Can also play a role in the biosynthesis of l2/HNK-1 carbohydrate epitope on glycoproteins. Shows strict specificity for Gal-beta-1,3-Gal-beta-1,4-Xyl, exhibiting negligible incorporation into other galactoside substrates including Galbeta1-3Gal beta1-O-benzyl, Galbeta1-4GlcNAc and Galbeta1-4Glc.
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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/kw/1kws_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=1kws 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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Beta1,3-glucuronyltransferase (GlcAT-I) is an essential enzyme involved in heparan sulfate and chondroitin sulfate biosynthesis. GlcAT-I is an inverting glycosyltransferase that catalyzes the transfer of glucuronic acid (GlcUA) to the common growing linker region Galbeta1-3Galbeta1-4Xyl that is attached to a serine side chain of a core protein. Previously the structure of GlcAT-I has been solved in the presence of the donor product UDP and an acceptor analog Galbeta1-3Galbeta1-4Xyl (Pedersen, L. C., Tsuchida, K., Kitagawa, H., Sugahara, K., Darden, T. A. &amp; Negishi, M. (2000) J. Biol. Chem. 275, 34580-34585). Here we report the x-ray crystal structure of GlcAT-I in complex with the complete donor UDP-GlcUA, thereby providing structures of an inverting glycosyltransferase in which both the complete donor and acceptor substrates are present in the active site. This structure supports the in-line displacement reaction mechanism previously proposed. It also provides information on the essential amino acid residues that determine donor substrate specificity.
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===CRYSTAL STRUCTURE OF BETA1,3-GLUCURONYLTRANSFERASE I IN COMPLEX WITH THE ACTIVE UDP-GLCUA DONOR===
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Crystal structure of beta 1,3-glucuronyltransferase I in complex with active donor substrate UDP-GlcUA.,Pedersen LC, Darden TA, Negishi M J Biol Chem. 2002 Jun 14;277(24):21869-73. Epub 2002 Apr 11. PMID:11950836<ref>PMID:11950836</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_11950836}}, adds the Publication Abstract to the page
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<div class="pdbe-citations 1kws" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 11950836 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_11950836}}
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__TOC__
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</StructureSection>
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==About this Structure==
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1KWS is a 2 chains structure of sequences from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1KWS OCA].
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==Reference==
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<ref group="xtra">PMID:11950836</ref><references group="xtra"/>
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Darden, T A.]]
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[[Category: Large Structures]]
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[[Category: Negishi, M.]]
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[[Category: Darden TA]]
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[[Category: Pedersen, L C.]]
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[[Category: Negishi M]]
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[[Category: Dxd]]
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[[Category: Pedersen LC]]
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[[Category: Ntp binding domain]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Feb 16 17:31:06 2009''
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Current revision

CRYSTAL STRUCTURE OF BETA1,3-GLUCURONYLTRANSFERASE I IN COMPLEX WITH THE ACTIVE UDP-GLCUA DONOR

PDB ID 1kws

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