6p7v | pdb_00006p7v

Structure of the K. lactis CBF3 core

spinqualitylabelsall models 6p7v, resolution 4.00Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 6p7v is a 4 chain structure with sequence from Atcc 56498. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Gene: KLLA0_F13816g (ATCC 56498), SKP1 (ATCC 56498), KLLA0_D09977g (ATCC 56498) Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Publication Abstract from PubMed Kinetochores are the multiprotein complexes that link chromosomal centromeres to mitotic-spindle microtubules. Budding yeast centromeres comprise three sequential "centromere-determining elements", CDEI, II, and III. CDEI (8 bp) and CDEIII (~25 bp) are conserved between Kluyveromyces lactis and Saccharomyces cerevisiae, but CDEII in the former is twice as long (160 bp) as CDEII in the latter (80 bp). The CBF3 complex recognizes CDEIII and is required for assembly of a centromeric nucleosome, which in turn recruits other kinetochore components. To understand differences in centromeric nucleosome assembly between K. lactis and S. cerevisiae, we determined the structure of a K. lactis CBF3 complex by electron cryomicroscopy at ~4 A resolution and compared it with published structures of S. cerevisiae CBF3. We show differences in the pose of Ndc10 and discuss potential models of the K. lactis centromeric nucleosome that account for the extended CDEII length. Structure of the Centromere Binding Factor 3 Complex from Kluyveromyces lactis.,Lee PD, Wei H, Tan D, Harrison SC J Mol Biol. 2019 Aug 17. pii: S0022-2836(19)30506-6. doi:, 10.1016/j.jmb.2019.08.003. PMID:31425683 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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