6f07: Difference between revisions
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==CBF3 Core Complex== | ==CBF3 Core Complex== | ||
< | <SX load='6f07' size='340' side='right' viewer='molstar' caption='[[6f07]], [[Resolution|resolution]] 3.60Å' scene=''> | ||
== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>[[6f07]] is a 3 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6F07 OCA]. For a <b>guided tour on the structure components</b> use [ | <table><tr><td colspan='2'>[[6f07]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6F07 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6F07 FirstGlance]. <br> | ||
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr> | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 3.6Å</td></tr> | ||
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[ | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ZN:ZINC+ION'>ZN</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=6f07 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6f07 OCA], [https://pdbe.org/6f07 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6f07 RCSB], [https://www.ebi.ac.uk/pdbsum/6f07 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6f07 ProSAT]</span></td></tr> | |||
</table> | </table> | ||
== Function == | == Function == | ||
[ | [https://www.uniprot.org/uniprot/CBF3B_YEAST CBF3B_YEAST] Acts as a component of the centromere DNA-binding protein complex CBF3, which is essential for chromosome segregation and movement of centromeres along microtubules. CBF3 is required for the recruitment of other kinetochore complexes to CEN DNA. It plays a role in the attachment of chromosomes to the spindle and binds selectively to a highly conserved DNA sequence called CDEIII, found in centromers and in several promoters. | ||
<div style="background-color:#fffaf0;"> | |||
== Publication Abstract from PubMed == | |||
Eukaryotic chromosomes contain a specialised region known as the centromere, which forms the platform for kinetochore assembly and microtubule attachment. The centromere is distinguished by the presence of nucleosomes containing the histone H3 variant, CENP-A. In budding yeast, centromere establishment begins with the recognition of a specific DNA sequence by the CBF3 complex. This in turn facilitates CENP-A(Cse4) nucleosome deposition and kinetochore assembly. Here, we describe a 3.6 A single-particle cryo-EM reconstruction of the core CBF3 complex, incorporating the sequence-specific DNA-binding protein Cep3 together with regulatory subunits Ctf13 and Skp1. This provides the first structural data on Ctf13, defining it as an F-box protein of the leucine-rich-repeat family, and demonstrates how a novel F-box-mediated interaction between Ctf13 and Skp1 is responsible for initial assembly of the CBF3 complex. | |||
Structural basis for assembly of the CBF3 kinetochore complex.,Leber V, Nans A, Singleton MR EMBO J. 2017 Dec 6. pii: embj.201798134. doi: 10.15252/embj.201798134. PMID:29212814<ref>PMID:29212814</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
</div> | |||
<div class="pdbe-citations 6f07" style="background-color:#fffaf0;"></div> | |||
==See Also== | |||
*[[Centromere protein 3D structure|Centromere protein 3D structure]] | |||
== References == | == References == | ||
<references/> | <references/> | ||
__TOC__ | __TOC__ | ||
</ | </SX> | ||
[[Category: | [[Category: Large Structures]] | ||
[[Category: | [[Category: Saccharomyces cerevisiae]] | ||
[[Category: | [[Category: Leber V]] | ||
[[Category: | [[Category: Singleton MR]] | ||
Latest revision as of 12:00, 9 October 2024
CBF3 Core ComplexCBF3 Core Complex
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