3hib

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{{Seed}}
 
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[[Image:3hib.png|left|200px]]
 
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==Crystal structure of the second Sec63 domain of yeast Brr2==
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The line below this paragraph, containing "STRUCTURE_3hib", creates the "Structure Box" on the page.
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<StructureSection load='3hib' size='340' side='right'caption='[[3hib]], [[Resolution|resolution]] 2.00&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'>[[3hib]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3HIB OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3HIB 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&#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=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
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{{STRUCTURE_3hib| PDB=3hib | 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=3hib FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3hib OCA], [https://pdbe.org/3hib PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3hib RCSB], [https://www.ebi.ac.uk/pdbsum/3hib PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3hib ProSAT]</span></td></tr>
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</table>
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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/hi/3hib_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.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=3hib 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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Brr2 is a DExD/H-box helicase responsible for U4/U6 unwinding during spliceosomal activation. Brr2 contains two helicase-like domains, each of which is followed by a Sec63 domain with unknown function. We determined the crystal structure of the second Sec63 domain, which unexpectedly resembles domains 4 and 5 of DNA helicase Hel308. This, together with sequence similarities between Brr2's helicase-like domains and domains 1-3 of Hel308, led us to hypothesize that Brr2 contains two consecutive Hel308-like modules (Hel308-I and Hel308-II). Our structural model and mutagenesis data suggest that Brr2 shares a similar helicase mechanism with Hel308. We demonstrate that Hel308-II interacts with Prp8 and Snu114 in vitro and in vivo. We further find that the C-terminal region of Prp8 (Prp8-CTR) facilitates the binding of the Brr2-Prp8-CTR complex to U4/U6. Our results have important implications for the mechanism and regulation of Brr2's activity in splicing.
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===Crystal structure of the second Sec63 domain of yeast Brr2===
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Structural evidence for consecutive Hel308-like modules in the spliceosomal ATPase Brr2.,Zhang L, Xu T, Maeder C, Bud LO, Shanks J, Nix J, Guthrie C, Pleiss JA, Zhao R Nat Struct Mol Biol. 2009 Jul;16(7):731-9. Epub 2009 Jun 14. PMID:19525970<ref>PMID:19525970</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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<div class="pdbe-citations 3hib" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_19525970}}, adds the Publication Abstract to the page
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*[[Helicase 3D structures|Helicase 3D structures]]
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(as it appears on PubMed at http://www.pubmed.gov), where 19525970 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_19525970}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[Category: Large Structures]]
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3HIB is a 1 chain structure of sequence from [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3HIB OCA].
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==Reference==
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<ref group="xtra">PMID:19525970</ref><references group="xtra"/>
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[[Category: Saccharomyces cerevisiae]]
[[Category: Saccharomyces cerevisiae]]
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[[Category: Xu, T.]]
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[[Category: Xu T]]
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[[Category: Zhang, L.]]
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[[Category: Zhang L]]
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[[Category: Zhao, R.]]
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[[Category: Zhao R]]
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[[Category: Atp-binding]]
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[[Category: Helicase]]
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[[Category: Hydrolase]]
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[[Category: Mrna processing]]
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[[Category: Mrna splicing]]
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[[Category: Nucleotide-binding]]
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[[Category: Nucleus]]
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[[Category: Rna helicase]]
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[[Category: Spliceosome]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Jul 22 20:54:36 2009''
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Current revision

Crystal structure of the second Sec63 domain of yeast Brr2

PDB ID 3hib

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