1s2e

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[[Image:1s2e.jpg|left|200px]]
 
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==BACTERIOPHAGE T4 GENE PRODUCT 9 (GP9), THE TRIGGER OF TAIL CONTRACTION AND THE LONG TAIL FIBERS CONNECTOR, ALTERNATIVE FIT OF THE FIRST 19 RESIDUES==
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The line below this paragraph, containing "STRUCTURE_1s2e", creates the "Structure Box" on the page.
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<StructureSection load='1s2e' size='340' side='right'caption='[[1s2e]], [[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'>[[1s2e]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_virus_T4 Escherichia virus T4]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1S2E OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1S2E 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='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=EPE:4-(2-HYDROXYETHYL)-1-PIPERAZINE+ETHANESULFONIC+ACID'>EPE</scene></td></tr>
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{{STRUCTURE_1s2e| PDB=1s2e | 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=1s2e FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1s2e OCA], [https://pdbe.org/1s2e PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1s2e RCSB], [https://www.ebi.ac.uk/pdbsum/1s2e PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1s2e ProSAT]</span></td></tr>
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</table>
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'''BACTERIOPHAGE T4 GENE PRODUCT 9 (GP9), THE TRIGGER OF TAIL CONTRACTION AND THE LONG TAIL FIBERS CONNECTOR, ALTERNATIVE FIT OF THE FIRST 19 RESIDUES'''
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== Function ==
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[https://www.uniprot.org/uniprot/BP09_BPT4 BP09_BPT4] Baseplate protein that connects the long tail fibers to the baseplate and probably triggers the tail contraction after virus attachment to a host cell (PubMed:10545330). Involved in the tail assembly (PubMed:21129200).<ref>PMID:10545330</ref> <ref>PMID:21129200</ref>
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== Evolutionary Conservation ==
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==Overview==
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[[Image:Consurf_key_small.gif|200px|right]]
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BACKGROUND: The T4 bacteriophage consists of a head, filled with double-stranded DNA, and a complex contractile tail required for the ejection of the viral genome into the Escherichia coli host. The tail has a baseplate to which are attached six long and six short tail fibers. These fibers are the sensing devices for recognizing the host. When activated by attachment to cell receptors, the fibers cause a conformational transition in the baseplate and subsequently in the tail sheath, which initiates DNA ejection. The baseplate is a multisubunit complex of proteins encoded by 15 genes. Gene product 9 (gp9) is the protein that connects the long tail fibers to the baseplate and triggers the tail contraction after virus attachment to a host cell. RESULTS: The crystal structure of recombinant gp9, determined to 2.3 A resolution, shows that the protein of 288 amino acid residues assembles as a homotrimer. The monomer consists of three domains: the N-terminal domain generates a triple coiled coil; the middle domain is a mixed, seven-stranded beta sandwich with a topology not previously observed; and the C-terminal domain is an eight-stranded, antiparallel beta sandwich having some resemblance to 'jelly-roll' viral capsid protein structures. CONCLUSIONS: The biologically active form of gp9 is a trimer. The protein contains flexible interdomain hinges, which are presumably required to facilitate signal transmission between the long tail fibers and the baseplate. Structural and genetic analyses show that the C-terminal domain is bound to the baseplate, and the N-terminal coiled-coil domain is associated with the long tail fibers.
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Check<jmol>
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<jmolCheckbox>
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==About this Structure==
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/s2/1s2e_consurf.spt"</scriptWhenChecked>
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1S2E is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Enterobacteria_phage_t4 Enterobacteria phage t4]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1S2E OCA].
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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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==Reference==
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</jmolCheckbox>
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The structure of bacteriophage T4 gene product 9: the trigger for tail contraction., Kostyuchenko VA, Navruzbekov GA, Kurochkina LP, Strelkov SV, Mesyanzhinov VV, Rossmann MG, Structure. 1999 Oct 15;7(10):1213-22. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/10545330 10545330]
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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=1s2e ConSurf].
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[[Category: Enterobacteria phage t4]]
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<div style="clear:both"></div>
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[[Category: Single protein]]
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== References ==
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[[Category: Kostyuchenko, V A.]]
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<references/>
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[[Category: Kurochkina, L P.]]
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__TOC__
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[[Category: Mesyanzhinov, V V.]]
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</StructureSection>
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[[Category: Navruzbekov, G A.]]
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[[Category: Escherichia virus T4]]
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[[Category: Rossmann, M G.]]
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[[Category: Large Structures]]
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[[Category: Strelkov, S V.]]
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[[Category: Kostyuchenko VA]]
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[[Category: Bacteriophage t4]]
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[[Category: Kurochkina LP]]
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[[Category: Baseplate]]
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[[Category: Mesyanzhinov VV]]
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[[Category: Gene product 9]]
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[[Category: Navruzbekov GA]]
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[[Category: Oligomerization]]
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[[Category: Rossmann MG]]
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[[Category: Virus/viral protein]]
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[[Category: Strelkov SV]]
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[[Category: X-ray crystallography]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 08:12:44 2008''
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Current revision

BACTERIOPHAGE T4 GENE PRODUCT 9 (GP9), THE TRIGGER OF TAIL CONTRACTION AND THE LONG TAIL FIBERS CONNECTOR, ALTERNATIVE FIT OF THE FIRST 19 RESIDUES

PDB ID 1s2e

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