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Insights into Centromere DNA Bending Revealed by the Cryo-EM Structure of the Core Centromere Binding Factor 3 with Ndc10.

Abstract：

: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.

journal_name

Cell Rep

journal_title

Cell reports

authors

Zhang W,Lukoyanova N,Miah S,Lucas J,Vaughan CK

doi

10.1016/j.celrep.2018.06.068

subject

Has Abstract

pub_date

2018-07-17 00:00:00

pages

744-754

issue

3

issn

2211-1247

pii

S2211-1247(18)30995-1

journal_volume

24

pub_type

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