1yu2

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{{Seed}}
 
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[[Image:1yu2.png|left|200px]]
 
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==Major Tropism Determinant M1 Variant==
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The line below this paragraph, containing "STRUCTURE_1yu2", creates the "Structure Box" on the page.
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<StructureSection load='1yu2' size='340' side='right'caption='[[1yu2]], [[Resolution|resolution]] 1.86&Aring;' scene=''>
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1yu2]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Bordetella_phage_BMP-1 Bordetella phage BMP-1]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1YU2 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1YU2 FirstGlance]. <br>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.86&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></td></tr>
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{{STRUCTURE_1yu2| PDB=1yu2 | SCENE= }}
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1yu2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1yu2 OCA], [https://pdbe.org/1yu2 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1yu2 RCSB], [https://www.ebi.ac.uk/pdbsum/1yu2 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1yu2 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/FIBD_BPBPP FIBD_BPBPP] Tail fiber protein located at the distal ends of the fibers that binds to the adhesion receptors on the host surface, thereby determining the host range. The phage can alter its tropism by modifying this protein. Variants are expressed through a diversity-generating retroelement (DGR) that creates mutant copies of a template repeat and replaces the end of the tail fiber receptor-binding protein with these sequences, thus changing the host range. Milliards of variants of the fiber receptor-binding protein can be created with this system.<ref>PMID:15386016</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Only few instances are known of protein folds that tolerate massive sequence variation for the sake of binding diversity. The most extensively characterized is the immunoglobulin fold. We now add to this the C-type lectin (CLec) fold, as found in the major tropism determinant (Mtd), a retroelement-encoded receptor-binding protein of Bordetella bacteriophage. Variation in Mtd, with its approximately 10(13) possible sequences, enables phage adaptation to Bordetella spp. Mtd is an intertwined, pyramid-shaped trimer, with variable residues organized by its CLec fold into discrete receptor-binding sites. The CLec fold provides a highly static scaffold for combinatorial display of variable residues, probably reflecting a different evolutionary solution for balancing diversity against stability from that in the immunoglobulin fold. Mtd variants are biased toward the receptor pertactin, and there is evidence that the CLec fold is used broadly for sequence variation by related retroelements.
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===Major Tropism Determinant M1 Variant===
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The C-type lectin fold as an evolutionary solution for massive sequence variation.,McMahon SA, Miller JL, Lawton JA, Kerkow DE, Hodes A, Marti-Renom MA, Doulatov S, Narayanan E, Sali A, Miller JF, Ghosh P Nat Struct Mol Biol. 2005 Oct;12(10):886-92. Epub 2005 Sep 18. PMID:16170324<ref>PMID:16170324</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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<div class="pdbe-citations 1yu2" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 16170324 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_16170324}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[Category: Bordetella phage BMP-1]]
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1YU2 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Viruses Viruses]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1YU2 OCA].
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[[Category: Large Structures]]
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[[Category: Ghosh P]]
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==Reference==
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[[Category: Lawton JA]]
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The C-type lectin fold as an evolutionary solution for massive sequence variation., McMahon SA, Miller JL, Lawton JA, Kerkow DE, Hodes A, Marti-Renom MA, Doulatov S, Narayanan E, Sali A, Miller JF, Ghosh P, Nat Struct Mol Biol. 2005 Oct;12(10):886-92. Epub 2005 Sep 18. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/16170324 16170324]
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[[Category: McMahon SA]]
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[[Category: Single protein]]
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[[Category: Miller JL]]
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[[Category: Viruses]]
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[[Category: Ghosh, P.]]
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[[Category: Lawton, J A.]]
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[[Category: McMahon, S A.]]
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[[Category: Miller, J L.]]
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[[Category: Beta prism]]
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[[Category: Beta sandwich]]
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[[Category: C-type lectin]]
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[[Category: Diversity-generating retroelement]]
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[[Category: Variability]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Jul 27 12:56:53 2008''
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Current revision

Major Tropism Determinant M1 Variant

PDB ID 1yu2

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