6OUA

Cryo-EM structure of the yeast Ctf3 complex


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 4.18 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

wwPDB Validation   3D Report Full Report


This is version 1.3 of the entry. See complete history


Literature

The structure of the yeast Ctf3 complex.

Hinshaw, S.M.Dates, A.N.Harrison, S.C.

(2019) Elife 8

  • DOI: 10.7554/eLife.48215
  • Primary Citation of Related Structures:  
    6OUA

  • PubMed Abstract: 
  • Kinetochores are the chromosomal attachment points for spindle microtubules. They are also signaling hubs that control major cell cycle transitions and coordinate chromosome folding. Most well-studied eukaryotes rely on a conserved set of factors, which are divided among two loosely-defined groups, for these functions ...

    Kinetochores are the chromosomal attachment points for spindle microtubules. They are also signaling hubs that control major cell cycle transitions and coordinate chromosome folding. Most well-studied eukaryotes rely on a conserved set of factors, which are divided among two loosely-defined groups, for these functions. Outer kinetochore proteins contact microtubules or regulate this contact directly. Inner kinetochore proteins designate the kinetochore assembly site by recognizing a specialized nucleosome containing the H3 variant Cse4/CENP-A. We previously determined the structure, resolved by cryo-electron microscopy (cryo-EM), of the yeast Ctf19 complex (Ctf19c, homologous to the vertebrate CCAN), providing a high-resolution view of inner kinetochore architecture (Hinshaw and Harrison, 2019). We now extend these observations by reporting a near-atomic model of the Ctf3 complex, the outermost Ctf19c sub-assembly seen in our original cryo-EM density. The model is sufficiently well-determined by the new data to enable molecular interpretation of Ctf3 recruitment and function.


    Organizational Affiliation

    Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Howard Hughes Medical Institute, Boston, United States.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Inner kinetochore subunit CTF3A [auth I]736Saccharomyces cerevisiaeMutation(s): 0 
UniProt
Find proteins for Q12748 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore Q12748 
Go to UniProtKB:  Q12748
Protein Feature View
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  • Reference Sequence
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Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
Inner kinetochore subunit MCM16B [auth H]184Saccharomyces cerevisiaeMutation(s): 0 
UniProt
Find proteins for Q12262 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore Q12262 
Go to UniProtKB:  Q12262
Protein Feature View
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  • Reference Sequence
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Entity ID: 3
MoleculeChainsSequence LengthOrganismDetailsImage
Inner kinetochore subunit MCM22C [auth K]242Saccharomyces cerevisiaeMutation(s): 0 
UniProt
Find proteins for P47167 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore P47167 
Go to UniProtKB:  P47167
Protein Feature View
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 4.18 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

Structure Validation

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Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
Howard Hughes Medical Institute (HHMI)United States--

Revision History  (Full details and data files)

  • Version 1.0: 2019-05-15
    Type: Initial release
  • Version 1.1: 2019-06-26
    Changes: Data collection, Database references
  • Version 1.2: 2019-11-20
    Changes: Author supporting evidence
  • Version 1.3: 2019-12-18
    Changes: Other