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6j0n

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Cryo-EM Structure of an Extracellular Contractile Injection System, baseplate in extended state, refined in C6 symmetry

6j0n, resolution 3.50Å

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 <SX load='6j0n' size='340' side='right' viewer='molstar' caption='[[6j0n]], [[Resolution|resolution]] 3.50&Aring;' scene=''>
 == Structural highlights ==
-<table><tr><td colspan='2'>[[6j0n]] is a 54 chain structure with sequence from [http://en.wikipedia.org/wiki/Phoaa Phoaa]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6J0N OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=6J0N FirstGlance]. <br>
+<table><tr><td colspan='2'>[[6j0n]] is a 54 chain structure with sequence from [https://en.wikipedia.org/wiki/Photorhabdus_asymbiotica_subsp._asymbiotica_ATCC_43949 Photorhabdus asymbiotica subsp. asymbiotica ATCC 43949]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6J0N OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6J0N FirstGlance]. <br>
-</td></tr><tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">PAU_03345, PA-RVA20-21-0163 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=553480 PHOAA]), PAU_03343, PA-RVA20-21-0161 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=553480 PHOAA]), PAU_03342, PA-RVA20-21-0160 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=553480 PHOAA]), PAU_03350, PA-RVA20-21-0168 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=553480 PHOAA]), PAU_03347, PA-RVA20-21-0165 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=553480 PHOAA]), PAU_03352, PA-RVA20-21-0170 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=553480 PHOAA]), PAU_03349, PA-RVA20-21-0167 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=553480 PHOAA]), PAU_03353, PA-RVA20-21-0171 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=553480 PHOAA]), PAU_03351, PA-RVA20-21-0169 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=553480 PHOAA])</td></tr>
+</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 3.5&#8491;</td></tr>
-<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=6j0n FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6j0n OCA], [http://pdbe.org/6j0n PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6j0n RCSB], [http://www.ebi.ac.uk/pdbsum/6j0n PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6j0n ProSAT]</span></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=6j0n FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6j0n OCA], [https://pdbe.org/6j0n PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6j0n RCSB], [https://www.ebi.ac.uk/pdbsum/6j0n PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6j0n ProSAT]</span></td></tr>
 </table>
-<div style="background-color:#fffaf0;">
+== Function ==
-== Publication Abstract from PubMed ==
+[https://www.uniprot.org/uniprot/B6VNN6_PHOAA B6VNN6_PHOAA]
-Contractile injection systems (CISs) are cell-puncturing nanodevices that share ancestry with contractile tail bacteriophages. Photorhabdus virulence cassette (PVC) represents one group of extracellular CISs that are present in both bacteria and archaea. Here, we report the cryo-EM structure of an intact PVC from P. asymbiotica. This over 10-MDa device resembles a simplified T4 phage tail, containing a hexagonal baseplate complex with six fibers and a capped 117-nanometer sheath-tube trunk. One distinct feature of the PVC is the presence of three variants for both tube and sheath proteins, indicating a functional specialization of them during evolution. The terminal hexameric cap docks onto the topmost layer of the inner tube and locks the outer sheath in pre-contraction state with six stretching arms. Our results on the PVC provide a framework for understanding the general mechanism of widespread CISs and pave the way for using them as delivery tools in biological or therapeutic applications.
-Cryo-EM Structure and Assembly of an Extracellular Contractile Injection System.,Jiang F, Li N, Wang X, Cheng J, Huang Y, Yang Y, Yang J, Cai B, Wang YP, Jin Q, Gao N Cell. 2019 Apr 4;177(2):370-383.e15. doi: 10.1016/j.cell.2019.02.020. Epub 2019, Mar 21. PMID:30905475<ref>PMID:30905475</ref>
-From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
-</div>
-<div class="pdbe-citations 6j0n" style="background-color:#fffaf0;"></div>
-== References ==
-<references/>
 __TOC__
 </SX>
 [[Category: Large Structures]]
-[[Category: Phoaa]]
+[[Category: Photorhabdus asymbiotica subsp. asymbiotica ATCC 43949]]
-[[Category: Cai, B]]
+[[Category: Cai B]]
-[[Category: Cheng, J]]
+[[Category: Cheng J]]
-[[Category: Gao, N]]
+[[Category: Gao N]]
-[[Category: Huang, Y]]
+[[Category: Huang Y]]
-[[Category: Jiang, F]]
+[[Category: Jiang F]]
-[[Category: Jin, Q]]
+[[Category: Jin Q]]
-[[Category: Li, N]]
+[[Category: Li N]]
-[[Category: Wang, X]]
+[[Category: Wang X]]
-[[Category: Wang, Y]]
+[[Category: Wang Y]]
-[[Category: Yang, J]]
+[[Category: Yang J]]
-[[Category: Yang, Y]]
+[[Category: Yang Y]]
-[[Category: Assembly]]
-[[Category: Bacteriophage-like]]
-[[Category: Contractile injection system]]
-[[Category: Photorhabdus asymbiotica]]
-[[Category: Protein transport]]
-[[Category: Pvc]]

6j0n

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Cryo-EM Structure of an Extracellular Contractile Injection System, baseplate in extended state, refined in C6 symmetry

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