5a9c: Difference between revisions

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== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[5a9c]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Antheraea_mylitta_cypovirus_4 Antheraea mylitta cypovirus 4]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5A9C OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5A9C FirstGlance]. <br>
<table><tr><td colspan='2'>[[5a9c]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Antheraea_mylitta_cypovirus_4 Antheraea mylitta cypovirus 4]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5A9C OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5A9C FirstGlance]. <br>
</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=5a9c FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5a9c OCA], [https://pdbe.org/5a9c PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5a9c RCSB], [https://www.ebi.ac.uk/pdbsum/5a9c PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5a9c ProSAT]</span></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.71&#8491;</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=5a9c FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5a9c OCA], [https://pdbe.org/5a9c PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5a9c RCSB], [https://www.ebi.ac.uk/pdbsum/5a9c PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5a9c ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[https://www.uniprot.org/uniprot/Q67G25_9VIRU Q67G25_9VIRU]  
[https://www.uniprot.org/uniprot/Q67G25_9VIRU Q67G25_9VIRU]  
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Polyhedra represent an ancient system used by a number of insect viruses to protect virions during long periods of environmental exposure. We present high resolution crystal structures of polyhedra for seven previously uncharacterised types of cypoviruses, four using ab initio selenomethionine phasing (two of these required over 100 selenomethionine crystals each). Approximately 80% of residues are structurally equivalent between all polyhedrins (pairwise rmsd 1.5A), whilst pairwise sequence identities, based on structural alignment, are as little as 12%. These structures illustrate the effect of 400million years of evolution on a system where the crystal lattice is the functionally conserved feature in the face of massive sequence variability. The conservation of crystal contacts is maintained across most of the molecular surface, except for a dispensable virus recognition domain. By spreading the contacts over so much of the protein surface the lattice remains robust in the face of many individual changes. Overall these unusual structural constraints seem to have skewed the molecule's evolution so that surface residues are almost as conserved as the internal residues.
Polyhedra structures and the evolution of the insect viruses.,Ji X, Axford D, Owen R, Evans G, Ginn HM, Sutton G, Stuart DI J Struct Biol. 2015 Aug 18. pii: S1047-8477(15)30047-2. doi:, 10.1016/j.jsb.2015.08.009. PMID:26291392<ref>PMID:26291392</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 5a9c" style="background-color:#fffaf0;"></div>


==See Also==
==See Also==
*[[Polyhedrin|Polyhedrin]]
*[[Polyhedrin|Polyhedrin]]
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>

Latest revision as of 10:21, 1 May 2024

Crystal structure of Antheraea mylitta CPV4 polyhedra base domain deleted mutantCrystal structure of Antheraea mylitta CPV4 polyhedra base domain deleted mutant

Structural highlights

5a9c is a 1 chain structure with sequence from Antheraea mylitta cypovirus 4. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 1.71Å
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

Q67G25_9VIRU

See Also

5a9c, resolution 1.71Å

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