4ep7

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== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[4ep7]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Schizosaccharomyces_pombe_972h- Schizosaccharomyces pombe 972h-]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4EP7 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4EP7 FirstGlance]. <br>
<table><tr><td colspan='2'>[[4ep7]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Schizosaccharomyces_pombe_972h- Schizosaccharomyces pombe 972h-]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4EP7 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4EP7 FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=UTP:URIDINE+5-TRIPHOSPHATE'>UTP</scene></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]] 2.2805&#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=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=UTP:URIDINE+5-TRIPHOSPHATE'>UTP</scene></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=4ep7 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4ep7 OCA], [https://pdbe.org/4ep7 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4ep7 RCSB], [https://www.ebi.ac.uk/pdbsum/4ep7 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4ep7 ProSAT]</span></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=4ep7 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4ep7 OCA], [https://pdbe.org/4ep7 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4ep7 RCSB], [https://www.ebi.ac.uk/pdbsum/4ep7 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4ep7 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[https://www.uniprot.org/uniprot/CID1_SCHPO CID1_SCHPO]] Involved in cell cycle arrest where in association with crb2/rhp9 and chk1 it inhibits unscheduled mitosis.
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[https://www.uniprot.org/uniprot/CID1_SCHPO CID1_SCHPO] Involved in cell cycle arrest where in association with crb2/rhp9 and chk1 it inhibits unscheduled mitosis.
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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In eukaryotes, mRNA degradation begins with poly(A) tail removal, followed by decapping, and the mRNA body is degraded by exonucleases. In recent years, the major influence of 3'-end uridylation as a regulatory step within several RNA degradation pathways has generated significant attention toward the responsible enzymes, which are called poly(U) polymerases (PUPs). We determined the atomic structure of the Cid1 protein, the founding member of the PUP family, in its UTP-bound form, allowing unambiguous positioning of the UTP molecule. Our data also suggest that the RNA substrate accommodation and product translocation by the Cid1 protein rely on local and global movements of the enzyme. Supplemented by point mutations, the atomic model is used to propose a catalytic cycle. Our study underlines the Cid1 RNA binding properties, a feature with critical implications for miRNAs, histone mRNAs, and, more generally, cellular RNA degradation.
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Functional Implications from the Cid1 Poly(U) Polymerase Crystal Structure.,Munoz-Tello P, Gabus C, Thore S Structure. 2012 May 16. PMID:22608966<ref>PMID:22608966</ref>
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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 4ep7" style="background-color:#fffaf0;"></div>
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==See Also==
==See Also==
*[[Poly(A) RNA polymerase|Poly(A) RNA polymerase]]
*[[Poly(A) RNA polymerase|Poly(A) RNA polymerase]]
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== References ==
 
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<references/>
 
__TOC__
__TOC__
</StructureSection>
</StructureSection>

Current revision

Functional implications from the Cid1 poly(U) polymerase crystal structure

PDB ID 4ep7

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