1ibr

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[[Image:1ibr.png|left|200px]]
 
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{{STRUCTURE_1ibr| PDB=1ibr | SCENE= }}
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==COMPLEX OF RAN WITH IMPORTIN BETA==
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<StructureSection load='1ibr' size='340' side='right'caption='[[1ibr]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1ibr]] is a 4 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=1IBR OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1IBR 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]] 2.3&#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=GNP:PHOSPHOAMINOPHOSPHONIC+ACID-GUANYLATE+ESTER'>GNP</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=1ibr FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ibr OCA], [https://pdbe.org/1ibr PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1ibr RCSB], [https://www.ebi.ac.uk/pdbsum/1ibr PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1ibr ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/RAN_HUMAN RAN_HUMAN] GTP-binding protein involved in nucleocytoplasmic transport. Required for the import of protein into the nucleus and also for RNA export. Involved in chromatin condensation and control of cell cycle (By similarity). The complex with BIRC5/ survivin plays a role in mitotic spindle formation by serving as a physical scaffold to help deliver the RAN effector molecule TPX2 to microtubules. Acts as a negative regulator of the kinase activity of VRK1 and VRK2.<ref>PMID:10400640</ref> <ref>PMID:8692944</ref> <ref>PMID:18591255</ref> <ref>PMID:18617507</ref> Enhances AR-mediated transactivation. Transactivation decreases as the poly-Gln length within AR increases.<ref>PMID:10400640</ref> <ref>PMID:8692944</ref> <ref>PMID:18591255</ref> <ref>PMID:18617507</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/ib/1ibr_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=1ibr 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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Transport receptors of the Importin beta family shuttle between the nucleus and cytoplasm and mediate transport of macromolecules through nuclear pore complexes. They interact specifically with the GTP-binding protein Ran, which in turn regulates their interaction with cargo. Here, we report the three-dimensional structure of a complex between Ran bound to the nonhydrolyzable GTP analog GppNHp and a 462-residue fragment from Importin beta. The structure of Importin beta shows 10 tandem repeats resembling HEAT and Armadillo motifs. They form an irregular crescent, the concave site of which forms the interface with Ran-triphosphate. The importin-binding site of Ran does not overlap with that of the Ran-binding domain of RanBP2.
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===COMPLEX OF RAN WITH IMPORTIN BETA===
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Structural view of the Ran-Importin beta interaction at 2.3 A resolution.,Vetter IR, Arndt A, Kutay U, Gorlich D, Wittinghofer A Cell. 1999 May 28;97(5):635-46. PMID:10367892<ref>PMID:10367892</ref>
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{{ABSTRACT_PUBMED_10367892}}
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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 1ibr" style="background-color:#fffaf0;"></div>
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==About this Structure==
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==See Also==
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[[1ibr]] is a 4 chain structure 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=1IBR OCA].
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*[[GTP-binding protein 3D structures|GTP-binding protein 3D structures]]
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*[[Importin 3D structures|Importin 3D structures]]
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==Reference==
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== References ==
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<ref group="xtra">PMID:010367892</ref><references group="xtra"/>
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<references/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Arndt, A.]]
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[[Category: Large Structures]]
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[[Category: Goerlich, D.]]
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[[Category: Arndt A]]
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[[Category: Kutay, U.]]
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[[Category: Goerlich D]]
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[[Category: Vetter, I R.]]
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[[Category: Kutay U]]
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[[Category: Wittinghofer, A.]]
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[[Category: Vetter IR]]
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[[Category: Cell cycle]]
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[[Category: Wittinghofer A]]
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[[Category: Nuclear transport receptor]]
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[[Category: Small gtpase]]
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[[Category: Translation]]
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Current revision

COMPLEX OF RAN WITH IMPORTIN BETA

PDB ID 1ibr

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