2p73: Difference between revisions
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[[ | ==crystal structure of a glycosyltransferase involved in the glycosylation of the major capsid of PBCV-1== | ||
<StructureSection load='2p73' size='340' side='right' caption='[[2p73]], [[Resolution|resolution]] 2.30Å' scene=''> | |||
== Structural highlights == | |||
<table><tr><td colspan='2'>[[2p73]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Paramecium_bursaria_chlorella_virus_1 Paramecium bursaria chlorella virus 1]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2P73 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2P73 FirstGlance]. <br> | |||
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=MN:MANGANESE+(II)+ION'>MN</scene>, <scene name='pdbligand=UDP:URIDINE-5-DIPHOSPHATE'>UDP</scene></td></tr> | |||
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2p6w|2p6w]], [[2p72|2p72]]</td></tr> | |||
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">A64R ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10506 Paramecium bursaria Chlorella virus 1])</td></tr> | |||
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2p73 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2p73 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2p73 RCSB], [http://www.ebi.ac.uk/pdbsum/2p73 PDBsum]</span></td></tr> | |||
</table> | |||
<div style="background-color:#fffaf0;"> | |||
== Publication Abstract from PubMed == | |||
Paramecium bursaria chlorella virus-1 encodes at least five putative glycosyltransferases that are probably involved in the synthesis of the glycan components of the viral major capsid protein. The 1.6 A crystal structure of one of these glycosyltransferases (A64R) has a mixed alpha/beta fold containing a central, six-stranded beta sheet flanked by alpha helices. Crystal structures of A64R, complexed with UDP, CMP, or GDP, established that only UDP bound to A64R in the presence of Mn(2+), consistent with its high structural similarity to glycosyltransferases which utilize UDP as the sugar carrier. The structure of the complex of A64R, UDP-glucose, and Mn(2+) showed that the largest conformational change occurred when hydrogen bonds were formed with the ligands. Unlike UDP-glucose, UDP-galactose and UDP-GlcNAc did not bind to A64R, suggesting a selective binding of UDP-glucose. Thus, UDP-glucose is most likely the sugar donor for A64R, consistent with glucose occurring in the virus major capsid protein glycans. | |||
Structure and function of a chlorella virus-encoded glycosyltransferase.,Zhang Y, Xiang Y, Van Etten JL, Rossmann MG Structure. 2007 Sep;15(9):1031-9. PMID:17850743<ref>PMID:17850743</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
</div> | |||
== References == | |||
<references/> | |||
__TOC__ | |||
</StructureSection> | |||
== | |||
< | |||
[[Category: Paramecium bursaria chlorella virus 1]] | [[Category: Paramecium bursaria chlorella virus 1]] | ||
[[Category: Etten, J L.Van.]] | [[Category: Etten, J L.Van.]] | ||
Revision as of 11:24, 20 October 2014
crystal structure of a glycosyltransferase involved in the glycosylation of the major capsid of PBCV-1
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