4zj7

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==Crystal structure of the karyopherin Kap121p bound to the extreme C-terminus of the protein phosphatase Cdc14p==
==Crystal structure of the karyopherin Kap121p bound to the extreme C-terminus of the protein phosphatase Cdc14p==
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<StructureSection load='4zj7' size='340' side='right' caption='[[4zj7]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
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<StructureSection load='4zj7' size='340' side='right'caption='[[4zj7]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[4zj7]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4ZJ7 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4ZJ7 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[4zj7]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Saccharomyces_cerevisiae_S288C Saccharomyces cerevisiae S288C]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4ZJ7 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4ZJ7 FirstGlance]. <br>
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</td></tr><tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Protein-tyrosine-phosphatase Protein-tyrosine-phosphatase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.1.3.48 3.1.3.48] </span></td></tr>
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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]] 2.4&#8491;</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4zj7 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4zj7 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4zj7 RCSB], [http://www.ebi.ac.uk/pdbsum/4zj7 PDBsum]</span></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=4zj7 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4zj7 OCA], [https://pdbe.org/4zj7 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4zj7 RCSB], [https://www.ebi.ac.uk/pdbsum/4zj7 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4zj7 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/IMB3_YEAST IMB3_YEAST]] Involved in the nuclear import of ribosomal proteins. Binds to nucleoporins and the GTP-bound form of GSP1 (Ran). Plays a role in protein secretion. [[http://www.uniprot.org/uniprot/CDC14_YEAST CDC14_YEAST]] Protein phosphatase which antagonizes mitotic cyclin-dependent kinase CDC28, the inactivation of which is essential for exit from mitosis. To access its substrates, is released from nucleolar sequestration during mitosis. Plays an essential in coordinating the nuclear division cycle with cytokinesis through the cytokinesis checkpoint. Involved in chromosome segregation, where it is required for meiosis I spindle dissambly as well as for establishing two consecutive chromosome segregation phases. Allows damaged actomyosin rings to be maintained to facilitate completion of cell division in response to minor perturbation of the cell division machinery. Inhibits transcription of ribosomal genes (rDNA) during anaphase and controls segregation of nucleolus by facilitating condensin targeting to rDNA chromatin in anaphase. Dephosphorylates SIC1, a CDC28 inhibitor, and SWI5, a transcription factor for SIC1, and induces degradation of mitotic cyclins, likely by dephosphorylating the activator of mitotic cyclin degradation, CDH1. Dephosphorylates the microtubule bundling factor ASE1 which is required to define a centered and focused mitotic spindle midzone that can drive continuous spindle elongation. Dephosphorylates the anaphase-promoting complex inhibitor ACM1, leading to its degradation. Facilitates INN1-CYK3 complex formation which promotes cytokinesis through the dephosphosprylation of CDC28-phosphosphorylated INN1. Reverts also the inhibitory CDC28 phosphorylation of CHS2 for endoplasmic reticulum export, ensuring that septum formation is contingent upon chromosome separation and exit from mitosis. Additional substrates for CDC14 are the formins BNI1 and BNR1, as well as CDC6, DBP2, DSN1, INCENP, KAR9, MCM3, ORC2, ORC6, SLD2, and SWI6. Activity is inhibited by interaction with NET1 which sequesters it to the nucleolus.<ref>PMID:11511359</ref> <ref>PMID:12737806</ref> <ref>PMID:14993267</ref> <ref>PMID:15004526</ref> <ref>PMID:15137939</ref> <ref>PMID:15190202</ref> <ref>PMID:15917648</ref> <ref>PMID:17116692</ref> <ref>PMID:18235228</ref> <ref>PMID:18287090</ref> <ref>PMID:18595708</ref> <ref>PMID:19158678</ref> <ref>PMID:19339280</ref> <ref>PMID:20619650</ref> <ref>PMID:20660629</ref> <ref>PMID:20923974</ref> <ref>PMID:20980394</ref> <ref>PMID:21127052</ref> <ref>PMID:21690308</ref> <ref>PMID:21784165</ref> <ref>PMID:22072794</ref> <ref>PMID:22078879</ref> <ref>PMID:22117071</ref> <ref>PMID:22363215</ref> <ref>PMID:22454527</ref> <ref>PMID:22872148</ref> <ref>PMID:7021319</ref> <ref>PMID:8668128</ref> <ref>PMID:9295359</ref> <ref>PMID:9885559</ref>
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[https://www.uniprot.org/uniprot/IMB3_YEAST IMB3_YEAST] Involved in the nuclear import of ribosomal proteins. Binds to nucleoporins and the GTP-bound form of GSP1 (Ran). Plays a role in protein secretion.
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<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
== Publication Abstract from PubMed ==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
</div>
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<div class="pdbe-citations 4zj7" style="background-color:#fffaf0;"></div>
==See Also==
==See Also==
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*[[Tyrosine phosphatase|Tyrosine phosphatase]]
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*[[Dual specificity phosphatase 3D structures|Dual specificity phosphatase 3D structures]]
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*[[Importin 3D structures|Importin 3D structures]]
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*[[Tyrosine phosphatase 3D structures|Tyrosine phosphatase 3D structures]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Protein-tyrosine-phosphatase]]
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[[Category: Large Structures]]
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[[Category: Hirano, H]]
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[[Category: Saccharomyces cerevisiae S288C]]
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[[Category: Kobayashi, J]]
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[[Category: Hirano H]]
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[[Category: Matsuura, Y]]
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[[Category: Kobayashi J]]
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[[Category: Karyopherin]]
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[[Category: Matsuura Y]]

Current revision

Crystal structure of the karyopherin Kap121p bound to the extreme C-terminus of the protein phosphatase Cdc14p

PDB ID 4zj7

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