6ff0: Difference between revisions

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<StructureSection load='6ff0' size='340' side='right'caption='[[6ff0]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
<StructureSection load='6ff0' size='340' side='right'caption='[[6ff0]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[6ff0]] is a 1 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6FF0 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6FF0 FirstGlance]. <br>
<table><tr><td colspan='2'>[[6ff0]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Ryegrass_mottle_virus Ryegrass mottle virus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6FF0 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6FF0 FirstGlance]. <br>
</td></tr><tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/RNA-directed_RNA_polymerase RNA-directed RNA polymerase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.7.48 2.7.7.48] </span></td></tr>
</td></tr><tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=6ff0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6ff0 OCA], [https://pdbe.org/6ff0 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6ff0 RCSB], [https://www.ebi.ac.uk/pdbsum/6ff0 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6ff0 ProSAT]</span></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=6ff0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6ff0 OCA], [http://pdbe.org/6ff0 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6ff0 RCSB], [http://www.ebi.ac.uk/pdbsum/6ff0 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6ff0 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
[https://www.uniprot.org/uniprot/A0MCW0_9VIRU A0MCW0_9VIRU]
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Sobemoviruses encode serine-like 3C proteases (Pro) that participate in the processing and maturation of other virus-encoded proteins. Its cis and trans activity is mediated by the naturally unfolded virus-genome-linked protein (VPg). Nuclear magnetic resonance studies show a Pro-VPg complex interaction and VPg tertiary structure; however, information regarding structural changes of the Pro-VPg complex during interaction is lacking. Here, we solved a full Pro-VPg 3D structure of ryegrass mottle virus (RGMoV) that demonstrates the structural changes in three different conformations due to VPg interaction with Pro. We identified a unique site of VPg interaction with Pro that was not observed in other sobemoviruses, and observed different conformations of the Pro beta2 barrel. This is the first report of a full plant Pro crystal structure with its VPg cofactor. We also confirmed the existence of an unusual previously unmapped cleavage site for sobemovirus Pro in the transmembrane domain: E/A. We demonstrated that RGMoV Pro in cis activity is not regulated by VPg and that in trans, VPg can also mediate Pro in free form. Additionally, we observed Ca(2+) and Zn(2+) inhibitory effects on the Pro cleavage activity.
VPg Impact on Ryegrass Mottle Virus Serine-like 3C Protease Proteolysis and Structure.,Kalnins G, Ludviga R, Kalnciema I, Resevica G, Zeltina V, Bogans J, Tars K, Zeltins A, Balke I Int J Mol Sci. 2023 Mar 10;24(6):5347. doi: 10.3390/ijms24065347. PMID:36982419<ref>PMID:36982419</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 6ff0" style="background-color:#fffaf0;"></div>
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: RNA-directed RNA polymerase]]
[[Category: Ryegrass mottle virus]]
[[Category: Kalnins, G]]
[[Category: Kalnins G]]
[[Category: Serine protease]]
[[Category: Viral genome-linked protein]]
[[Category: Viral polypeptide]]
[[Category: Viral protease]]
[[Category: Viral protein]]