3gqa

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{{Seed}}
 
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[[Image:3gqa.jpg|left|200px]]
 
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==Crystal Structure of the Bacteriophage phi29 gene product 12 N-terminal fragment in complex with cobalt ions==
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The line below this paragraph, containing "STRUCTURE_3gqa", creates the "Structure Box" on the page.
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<StructureSection load='3gqa' size='340' side='right'caption='[[3gqa]], [[Resolution|resolution]] 2.10&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'>[[3gqa]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Bacillus_virus_phi29 Bacillus virus phi29]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3GQA OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3GQA 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]] 2.1&#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=CO:COBALT+(II)+ION'>CO</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene></td></tr>
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{{STRUCTURE_3gqa| PDB=3gqa | 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=3gqa FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3gqa OCA], [https://pdbe.org/3gqa PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3gqa RCSB], [https://www.ebi.ac.uk/pdbsum/3gqa PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3gqa ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/FIB12_BPPH2 FIB12_BPPH2] Structural component of the 12 appendages that hang from the lower collar. Adhesion protein that binds to the host cell surface during virus attachment and mediates teichoic acids degradation.<ref>PMID:7241648</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/gq/3gqa_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=3gqa 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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The tailed bacteriophage phi29 has 12 "appendages" (gene product 12, gp12) attached to its neck region that participate in host cell recognition and entry. In the cell, monomeric gp12 undergoes proteolytic processing that releases the C-terminal domain during assembly into trimers. We report here crystal structures of the protein before and after catalytic processing and show that the C-terminal domain of gp12 is an "autochaperone" that aids trimerization. We also show that autocleavage of the C-terminal domain is a posttrimerization event that is followed by a unique ATP-dependent release. The posttranslationally modified N-terminal part has three domains that function to attach the appendages to the phage, digest the cell wall teichoic acids, and bind irreversibly to the host, respectively. Structural and sequence comparisons suggest that some eukaryotic and bacterial viruses as well as bacterial adhesins might have a similar maturation mechanism as is performed by phi29 gp12 for Bacillus subtilis.
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===Crystal Structure of the Bacteriophage phi29 gene product 12 N-terminal fragment in complex with cobalt ions===
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Crystallographic insights into the autocatalytic assembly mechanism of a bacteriophage tail spike.,Xiang Y, Leiman PG, Li L, Grimes S, Anderson DL, Rossmann MG Mol Cell. 2009 May 15;34(3):375-86. PMID:19450535<ref>PMID:19450535</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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==About this Structure==
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</div>
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3GQA is a 1 chain structure of sequence from [http://en.wikipedia.org/wiki/Bacillus_phage_phi29 Bacillus phage phi29]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3GQA OCA].
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<div class="pdbe-citations 3gqa" style="background-color:#fffaf0;"></div>
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[[Category: Bacillus phage phi29]]
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== References ==
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[[Category: Rossmann, M G.]]
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<references/>
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[[Category: Xiang, Y.]]
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__TOC__
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[[Category: Beta helix]]
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</StructureSection>
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[[Category: Coiled coil]]
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[[Category: Bacillus virus phi29]]
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[[Category: Viral protein]]
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[[Category: Large Structures]]
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[[Category: Rossmann MG]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed May 27 15:25:03 2009''
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[[Category: Xiang Y]]

Current revision

Crystal Structure of the Bacteriophage phi29 gene product 12 N-terminal fragment in complex with cobalt ions

PDB ID 3gqa

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