2bsd

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{{Seed}}
 
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[[Image:2bsd.png|left|200px]]
 
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==Structure of Lactococcal Bacteriophage p2 Receptor Binding Protein==
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The line below this paragraph, containing "STRUCTURE_2bsd", creates the "Structure Box" on the page.
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<StructureSection load='2bsd' size='340' side='right'caption='[[2bsd]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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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'>[[2bsd]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_virus_P2 Escherichia virus P2]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2BSD OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2BSD FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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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]] 2.3&#8491;</td></tr>
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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=2bsd FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2bsd OCA], [https://pdbe.org/2bsd PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2bsd RCSB], [https://www.ebi.ac.uk/pdbsum/2bsd PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2bsd ProSAT]</span></td></tr>
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{{STRUCTURE_2bsd| PDB=2bsd | SCENE= }}
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/RBP_BPLP2 RBP_BPLP2] Binds to the host phosphopolysaccharides at the onset of infection. Upon activation by calcium, the receptor binding proteins change their conformation, presenting their binding sites to the host, and a channel opens at the bottom of the baseplate for DNA ejection.<ref>PMID:20351260</ref> <ref>PMID:24027307</ref>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/bs/2bsd_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=2bsd ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Lactococcus lactis is a Gram-positive bacterium used extensively by the dairy industry for the manufacture of fermented milk products. The double-stranded DNA bacteriophage p2 infects specific L. lactis strains using a receptor-binding protein (RBP) located at the tip of its noncontractile tail. We have solved the crystal structure of phage p2 RBP, a homotrimeric protein composed of three domains: the shoulders, a beta-sandwich attached to the phage; the neck, an interlaced beta-prism; and the receptor-recognition head, a seven-stranded beta-barrel. We used the complex of RBP with a neutralizing llama VHH domain to identify the receptor-binding site. Structural similarity between the recognition-head domain of phage p2 and those of adenoviruses and reoviruses, which invade mammalian cells, suggests that these viruses, despite evolutionary distant targets, lack of sequence similarity and the different chemical nature of their genomes (DNA versus RNA), might have a common ancestral gene.
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===STRUCTURE OF LACTOCOCCAL BACTERIOPHAGE P2 RECEPTOR BINDING PROTEIN===
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Lactococcal bacteriophage p2 receptor-binding protein structure suggests a common ancestor gene with bacterial and mammalian viruses.,Spinelli S, Desmyter A, Verrips CT, de Haard HJ, Moineau S, Cambillau C Nat Struct Mol Biol. 2006 Jan;13(1):85-9. Epub 2005 Dec 4. PMID:16327804<ref>PMID:16327804</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>
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The line below this paragraph, {{ABSTRACT_PUBMED_16327804}}, adds the Publication Abstract to the page
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<div class="pdbe-citations 2bsd" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 16327804 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_16327804}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[Category: Escherichia virus P2]]
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2BSD is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Lactococcus_lactis_phage_p2 Lactococcus lactis phage p2]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2BSD OCA].
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[[Category: Large Structures]]
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[[Category: Cambillau C]]
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==Reference==
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[[Category: Dehaard HJW]]
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Lactococcal bacteriophage p2 receptor-binding protein structure suggests a common ancestor gene with bacterial and mammalian viruses., Spinelli S, Desmyter A, Verrips CT, de Haard HJ, Moineau S, Cambillau C, Nat Struct Mol Biol. 2006 Jan;13(1):85-9. Epub 2005 Dec 4. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/16327804 16327804]
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[[Category: Desmyter A]]
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[[Category: Lactococcus lactis phage p2]]
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[[Category: Moineau S]]
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[[Category: Single protein]]
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[[Category: Spinelli S]]
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[[Category: Cambillau, C.]]
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[[Category: Verrips CT]]
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[[Category: Dehaard, H J.W.]]
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[[Category: Desmyter, A.]]
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[[Category: Moineau, S.]]
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[[Category: Spinelli, S.]]
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[[Category: Verrips, C T.]]
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[[Category: Lactococcus lacti]]
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[[Category: Llama vhh]]
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[[Category: Phage]]
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[[Category: Receptor]]
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[[Category: Receptor binding protein]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Jul 27 17:15:06 2008''
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Current revision

Structure of Lactococcal Bacteriophage p2 Receptor Binding Protein

PDB ID 2bsd

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