1bk5

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{{STRUCTURE_1bk5| PDB=1bk5 | SCENE= }}
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==KARYOPHERIN ALPHA FROM SACCHAROMYCES CEREVISIAE==
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===KARYOPHERIN ALPHA FROM SACCHAROMYCES CEREVISIAE===
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<StructureSection load='1bk5' size='340' side='right' caption='[[1bk5]], [[Resolution|resolution]] 2.20&Aring;' scene=''>
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{{ABSTRACT_PUBMED_9695948}}
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1bk5]] is a 2 chain structure with 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=1BK5 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1BK5 FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CO:COBALT+(II)+ION'>CO</scene><br>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">SRP1 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=4932 Saccharomyces cerevisiae])</td></tr>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1bk5 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1bk5 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1bk5 RCSB], [http://www.ebi.ac.uk/pdbsum/1bk5 PDBsum]</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/bk/1bk5_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/chain_selection.php?pdb_ID=2ata 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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Selective nuclear import is mediated by nuclear localization signals (NLSs) and cognate transport factors known as karyopherins or importins. Karyopherin alpha recognizes "classical" monopartite and bipartite NLSs. We report the crystal structure of a 50 kDa fragment of the 60 kDa yeast karyopherin alpha, in the absence and presence of a monopartite NLS peptide at 2.2 A and 2.8 A resolution, respectively. The structure shows a tandem array of ten armadillo repeats, organized in a right-handed superhelix of helices. Binding of the NLS peptide occurs at two sites within a helical surface groove that is lined by conserved residues. The structure reveals the determinants of NLS specificity and suggests a model for the recognition of bipartite NLSs.
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==About this Structure==
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Crystallographic analysis of the recognition of a nuclear localization signal by the nuclear import factor karyopherin alpha.,Conti E, Uy M, Leighton L, Blobel G, Kuriyan J Cell. 1998 Jul 24;94(2):193-204. PMID:9695948<ref>PMID:9695948</ref>
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[[1bk5]] is a 2 chain structure with 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=1BK5 OCA].
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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>
==See Also==
==See Also==
*[[Biological Unit|Biological Unit]]
*[[Biological Unit|Biological Unit]]
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*[[Importin|Importin]]
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==Reference==
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== References ==
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<ref group="xtra">PMID:009695948</ref><references group="xtra"/>
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<references/>
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__TOC__
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</StructureSection>
[[Category: Saccharomyces cerevisiae]]
[[Category: Saccharomyces cerevisiae]]
[[Category: Blobel, G.]]
[[Category: Blobel, G.]]

Revision as of 14:37, 29 September 2014

KARYOPHERIN ALPHA FROM SACCHAROMYCES CEREVISIAE

1bk5, resolution 2.20Å

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