3g0h: Difference between revisions

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[[Image:3g0h.png|left|200px]]


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==Human dead-box RNA helicase DDX19, in complex with an ATP-analogue and RNA==
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<StructureSection load='3g0h' size='340' side='right'caption='[[3g0h]], [[Resolution|resolution]] 2.70&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3g0h]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3G0H OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3G0H FirstGlance]. <br>
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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]] 2.7&#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=ANP:PHOSPHOAMINOPHOSPHONIC+ACID-ADENYLATE+ESTER'>ANP</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></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=3g0h FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3g0h OCA], [https://pdbe.org/3g0h PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3g0h RCSB], [https://www.ebi.ac.uk/pdbsum/3g0h PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3g0h ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/DD19B_HUMAN DD19B_HUMAN] ATP-dependent RNA helicase involved in mRNA export from the nucleus. Rather than unwinding RNA duplexes, DDX19B functions as a remodeler of ribonucleoprotein particles, whereby proteins bound to nuclear mRNA are dissociated and replaced by cytoplasmic mRNA binding proteins.
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
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    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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=3g0h ConSurf].
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== Publication Abstract from PubMed ==
DEXD/H-box RNA helicases couple ATP hydrolysis to RNA remodeling by an unknown mechanism. We used x-ray crystallography and biochemical analysis of the human DEXD/H-box protein DDX19 to investigate its regulatory mechanism. The crystal structures of DDX19, in its RNA-bound prehydrolysis and free posthydrolysis state, reveal an alpha-helix that inserts between the conserved domains of the free protein to negatively regulate ATPase activity. This finding was corroborated by biochemical data that confirm an autoregulatory function of the N-terminal region of the protein. This is the first study describing crystal structures of a DEXD/H-box protein in its open and closed cleft conformations.


===Human dead-box RNA helicase DDX19, in complex with an ATP-analogue and RNA===
The DEXD/H-box RNA helicase DDX19 is regulated by an {alpha}-helical switch.,Collins R, Karlberg T, Lehtio L, Schutz P, van den Berg S, Dahlgren LG, Hammarstrom M, Weigelt J, Schuler H J Biol Chem. 2009 Apr 17;284(16):10296-300. Epub 2009 Feb 25. PMID:19244245<ref>PMID:19244245</ref>


 
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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{{ABSTRACT_PUBMED_19244245}}
 
==About this Structure==
[[3g0h]] is a 2 chain structure of [[Helicase]] with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3G0H OCA].


==See Also==
==See Also==
*[[DEAD-box RNA-helicase DDX19 in complex with ADP|DEAD-box RNA-helicase DDX19 in complex with ADP]]
*[[Helicase 3D structures|Helicase 3D structures]]
*[[Dead-box RNA helicase DDX19%2C in complex with an ATP-analogue and RNA|Dead-box RNA helicase DDX19%2C in complex with an ATP-analogue and RNA]]
== References ==
*[[Helicase|Helicase]]
<references/>
*[[Morphs|Morphs]]
__TOC__
*[[User:Wayne Decatur|User:Wayne Decatur]]
</StructureSection>
*[[User:Wayne Decatur/3ewsSLASH3g0h Morph methods|User:Wayne Decatur/3ewsSLASH3g0h Morph methods]]
*[[User:Wayne Decatur/3fpn Morph methods|User:Wayne Decatur/3fpn Morph methods]]
 
==Reference==
<ref group="xtra">PMID:019244245</ref><references group="xtra"/>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Arrowsmith, C H.]]
[[Category: Large Structures]]
[[Category: Berg, S Van Den.]]
[[Category: Arrowsmith CH]]
[[Category: Berglund, H.]]
[[Category: Berglund H]]
[[Category: Bountra, C.]]
[[Category: Bountra C]]
[[Category: Collins, R.]]
[[Category: Collins R]]
[[Category: Dahlgren, L G.]]
[[Category: Dahlgren LG]]
[[Category: Edwards, A M.]]
[[Category: Edwards AM]]
[[Category: Flodin, S.]]
[[Category: Flodin S]]
[[Category: Flores, A.]]
[[Category: Flores A]]
[[Category: Graslund, S.]]
[[Category: Graslund S]]
[[Category: Hammarstrom, M.]]
[[Category: Hammarstrom M]]
[[Category: Johansson, A.]]
[[Category: Johansson A]]
[[Category: Johansson, I.]]
[[Category: Johansson I]]
[[Category: Karlberg, T.]]
[[Category: Karlberg T]]
[[Category: Kotenyova, T.]]
[[Category: Kotenyova T]]
[[Category: Lehtio, L.]]
[[Category: Lehtio L]]
[[Category: Moche, M.]]
[[Category: Moche M]]
[[Category: Nilsson, M E.]]
[[Category: Nilsson ME]]
[[Category: Nordlund, P.]]
[[Category: Nordlund P]]
[[Category: Nyman, T.]]
[[Category: Nyman T]]
[[Category: Persson, C.]]
[[Category: Persson C]]
[[Category: SGC, Structural Genomics Consortium.]]
[[Category: Sagemark J]]
[[Category: Sagemark, J.]]
[[Category: Schuler H]]
[[Category: Schuler, H.]]
[[Category: Schutz P]]
[[Category: Schutz, P.]]
[[Category: Siponen MI]]
[[Category: Siponen, M I.]]
[[Category: Thorsell AG]]
[[Category: Thorsell, A G.]]
[[Category: Tresaugues L]]
[[Category: Tresaugues, L.]]
[[Category: Van Den Berg S]]
[[Category: Weigelt, J.]]
[[Category: Weigelt J]]
[[Category: Welin, M.]]
[[Category: Welin M]]
[[Category: Wisniewska, M.]]
[[Category: Wisniewska M]]
[[Category: Atp-binding]]
[[Category: Dbp5]]
[[Category: Helicase]]
[[Category: Hydrolase]]
[[Category: Hydrolase-rna complex]]
[[Category: Membrane]]
[[Category: Mrna transport]]
[[Category: Nuclear pore complex]]
[[Category: Nucleotide-binding]]
[[Category: Nucleus]]
[[Category: Phosphoprotein]]
[[Category: Polyuracil]]
[[Category: Protein transport]]
[[Category: Protein-rna complex]]
[[Category: Rna-binding]]
[[Category: Sgc]]
[[Category: Structural genomic]]
[[Category: Structural genomics consortium]]
[[Category: Translocation]]
[[Category: Transport]]