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2xvr
From Proteopedia
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| - | [[ | + | ==Phage T7 empty mature head shell== |
| + | <StructureSection load='2xvr' size='340' side='right' caption='[[2xvr]], [[Resolution|resolution]] 10.80Å' scene=''> | ||
| + | == Structural highlights == | ||
| + | <table><tr><td colspan='2'>[[2xvr]] is a 7 chain structure with sequence from [http://en.wikipedia.org/wiki/Bpt7 Bpt7]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2XVR OCA]. <br> | ||
| + | </td></tr><tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Glucokinase Glucokinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.1.2 2.7.1.2] </span></td></tr> | ||
| + | <tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2xvr FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2xvr OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2xvr RCSB], [http://www.ebi.ac.uk/pdbsum/2xvr PDBsum]</span></td></tr> | ||
| + | <table> | ||
| + | <div style="background-color:#fffaf0;"> | ||
| + | == Publication Abstract from PubMed == | ||
| + | Maturation of dsDNA bacteriophages involves assembling the virus prohead from a limited set of structural components, followed by rearrangements required for the stability that is necessary for infecting a host under challenging environmental conditions. Here, we determine the mature capsid structure of T7 at 1 nm resolution by cryo electron microscopy, and compare it with the prohead to reveal the molecular basis of T7 shell maturation. The mature capsid presents an expanded and thinner shell, with a drastic rearrangement of the major protein monomers that increases in their interacting surfaces, in turn resulting in a new bonding lattice. The rearrangements include tilting, in-plane rotation and radial expansion of the subunits, as well as a relative bending of the A and P-domains of each subunit. The unique features of this shell transformation, which does not employ the accessory proteins, inserted domains, or molecular interactions observed in other phages, suggest a simple capsid assembling strategy that may have appeared early in the evolution of these viruses. | ||
| - | + | Molecular rearrangements involved in the capsid shell maturation of bacteriophage T7.,Ionel A, Velazquez-Muriel JA, Luque D, Cuervo A, Caston JR, Valpuesta JM, Martin-Benito J, Carrascosa JL J Biol Chem. 2010 Oct 20. PMID:20962334<ref>PMID:20962334</ref> | |
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| - | + | From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |
| - | + | </div> | |
| - | + | == References == | |
| - | + | <references/> | |
| - | + | __TOC__ | |
| - | + | </StructureSection> | |
| - | + | [[Category: Bpt7]] | |
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[[Category: Carrascosa, J L.]] | [[Category: Carrascosa, J L.]] | ||
[[Category: Caston, J R.]] | [[Category: Caston, J R.]] | ||
Revision as of 07:53, 14 May 2014
Phage T7 empty mature head shell
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