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TitleInsights into Centromere DNA Bending Revealed by the Cryo-EM Structure of the Core Centromere Binding Factor 3 with Ndc10.
Journal, issue, pagesCell Rep, Vol. 24, Issue 3, Page 744-754, Year 2018
Publish dateJul 17, 2018
AuthorsWenjuan Zhang / Natalya Lukoyanova / Shomon Miah / Jonathan Lucas / Cara K Vaughan /
PubMed AbstractThe centromere binding factor 3 (CBF3) complex binds the third centromere DNA element in organisms with point centromeres, such as S. cerevisiae. It is an essential complex for assembly of the ...The centromere binding factor 3 (CBF3) complex binds the third centromere DNA element in organisms with point centromeres, such as S. cerevisiae. It is an essential complex for assembly of the kinetochore in these organisms, as it facilitates genetic centromere specification and allows association of all other kinetochore components. We determined high-resolution structures of the core complex of CBF3 alone and in association with a monomeric construct of Ndc10, using cryoelectron microscopy (cryo-EM). We identify the DNA-binding site of the complex and present a model in which CBF3 induces a tight bend in centromeric DNA, thus facilitating assembly of the centromeric nucleosome.
External linksCell Rep / PubMed:30021170 / PubMed Central
MethodsEM (single particle)
Resolution3.7 - 4.4 Å
Structure data

0051

6gsa

EMDB-0051, PDB-6gsa:
Core Centromere Binding Factor 3 (CBF3) with monomeric Ndc10
Method: EM (single particle) / Resolution: 4.2 Å

EMDB-0052:
Masked Core Centromere Binding Factor 3 (CBF3) with monomeric Ndc10
Method: EM (single particle) / Resolution: 4.4 Å

4241

6fe8

EMDB-4241, PDB-6fe8:
Cryo-EM structure of the core Centromere Binding Factor 3 complex
Method: EM (single particle) / Resolution: 3.7 Å

Source
  • saccharomyces cerevisiae (brewer's yeast)
KeywordsDNA BINDING PROTEIN / Centromere / CDEIII-binding / LRR domain

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