3cu0

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[[Image:3cu0.png|left|200px]]
 
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{{STRUCTURE_3cu0| PDB=3cu0 | SCENE= }}
{{STRUCTURE_3cu0| PDB=3cu0 | SCENE= }}
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===human beta 1,3-glucuronyltransferase I (GlcAT-I) in complex with UDP and GAL-GAL(6-SO4)-XYL(2-PO4)-O-SER===
===human beta 1,3-glucuronyltransferase I (GlcAT-I) in complex with UDP and GAL-GAL(6-SO4)-XYL(2-PO4)-O-SER===
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{{ABSTRACT_PUBMED_18400750}}
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{{ABSTRACT_PUBMED_18400750}}
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==Disease==
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[[http://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:[http://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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[[http://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.
==About this Structure==
==About this Structure==
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==Reference==
==Reference==
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<ref group="xtra">PMID:018400750</ref><references group="xtra"/>
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<ref group="xtra">PMID:018400750</ref><references group="xtra"/><references/>
[[Category: Galactosylgalactosylxylosylprotein 3-beta-glucuronosyltransferase]]
[[Category: Galactosylgalactosylxylosylprotein 3-beta-glucuronosyltransferase]]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]

Revision as of 20:22, 24 March 2013

Template:STRUCTURE 3cu0

Contents

human beta 1,3-glucuronyltransferase I (GlcAT-I) in complex with UDP and GAL-GAL(6-SO4)-XYL(2-PO4)-O-SER

Template:ABSTRACT PUBMED 18400750

Disease

[B3GA3_HUMAN] Defects in B3GAT3 are the cause of multiple joint dislocations short stature craniofacial dysmorphism and congenital heart defects (JDSSDHD) [MIM: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.[1]

Function

[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.

About this Structure

3cu0 is a 2 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

  • Tone Y, Pedersen LC, Yamamoto T, Izumikawa T, Kitagawa H, Nishihara J, Tamura J, Negishi M, Sugahara K. 2-o-phosphorylation of xylose and 6-o-sulfation of galactose in the protein linkage region of glycosaminoglycans influence the glucuronyltransferase-I activity involved in the linkage region synthesis. J Biol Chem. 2008 Jun 13;283(24):16801-7. Epub 2008 Apr 9. PMID:18400750 doi:10.1074/jbc.M709556200
  1. ↑ Baasanjav S, Al-Gazali L, Hashiguchi T, Mizumoto S, Fischer B, Horn D, Seelow D, Ali BR, Aziz SA, Langer R, Saleh AA, Becker C, Nurnberg G, Cantagrel V, Gleeson JG, Gomez D, Michel JB, Stricker S, Lindner TH, Nurnberg P, Sugahara K, Mundlos S, Hoffmann K. Faulty initiation of proteoglycan synthesis causes cardiac and joint defects. Am J Hum Genet. 2011 Jul 15;89(1):15-27. doi: 10.1016/j.ajhg.2011.05.021. PMID:21763480 doi:10.1016/j.ajhg.2011.05.021

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