2l1l: Difference between revisions

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== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[2l1l]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2L1L OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2L1L FirstGlance]. <br>
<table><tr><td colspan='2'>[[2l1l]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2L1L OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2L1L FirstGlance]. <br>
</td></tr><tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2l1l FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2l1l OCA], [https://pdbe.org/2l1l PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2l1l RCSB], [https://www.ebi.ac.uk/pdbsum/2l1l PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2l1l ProSAT]</span></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR</td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2l1l FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2l1l OCA], [https://pdbe.org/2l1l PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2l1l RCSB], [https://www.ebi.ac.uk/pdbsum/2l1l PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2l1l ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[https://www.uniprot.org/uniprot/IPKA_HUMAN IPKA_HUMAN] Extremely potent competitive inhibitor of cAMP-dependent protein kinase activity, this protein interacts with the catalytic subunit of the enzyme after the cAMP-induced dissociation of its regulatory chains.
[https://www.uniprot.org/uniprot/IPKA_HUMAN IPKA_HUMAN] Extremely potent competitive inhibitor of cAMP-dependent protein kinase activity, this protein interacts with the catalytic subunit of the enzyme after the cAMP-induced dissociation of its regulatory chains.
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Classic nuclear export signals (NESs) confer CRM1-dependent nuclear export. Here we present crystal structures of the RanGTP-CRM1 complex alone and bound to the prototypic PKI or HIV-1 Rev NESs. These NESs differ markedly in the spacing of their key hydrophobic (Phi) residues, yet CRM1 recognizes them with the same rigid set of five Phi pockets. The different Phi spacings are compensated for by different conformations of the bound NESs: in the case of PKI, an alpha-helical conformation, and in the case of Rev, an extended conformation with a critical proline docking into a Phi pocket. NMR analyses of CRM1-bound and CRM1-free PKI NES suggest that CRM1 selects NES conformers that pre-exist in solution. Our data lead to a new structure-based NES consensus, and explain why NESs differ in their affinities for CRM1 and why supraphysiological NESs bind the exportin so tightly.
NES consensus redefined by structures of PKI-type and Rev-type nuclear export signals bound to CRM1.,Guttler T, Madl T, Neumann P, Deichsel D, Corsini L, Monecke T, Ficner R, Sattler M, Gorlich D Nat Struct Mol Biol. 2010 Oct 24. PMID:20972448<ref>PMID:20972448</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 2l1l" style="background-color:#fffaf0;"></div>


==See Also==
==See Also==
*[[Exportin 3D structures|Exportin 3D structures]]
*[[Exportin 3D structures|Exportin 3D structures]]
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>

Latest revision as of 06:51, 1 May 2024

NMR Solution Structure of the Phi0 PKI NES Peptide in Complex with CRM1-RanGTP

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