ArticleOncotarget2017
Motifs in the amino-terminus of CENP-A are required for its accumulation within the nucleus and at the centromere.
Article in Oncotarget, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed, 5 citations in OpenAlex.
- EWSR1 maintains centromere identity.Cell reports · 2023Article
- Unraveling the Role of Histone Variant CENP-A and Chaperone HJURP Expression in Thymic Epithelial Neoplasms.International journal of molecular sciences · 2022Article
- SUMO1 modification of histone H4 is involved in the pathogenesis of nodular lymphocyte predominant Hodgkin lymphoma.Translational cancer research · 2020Article
- Localization of Drosophila CENP-A to non-centromeric sites depends on the NuRD complex.Nucleic acids research · 2019Article
Corrections and comments
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Centromere protein A (CENP-A) is a variant of core histone H3 that marks the centromere's location on the chromosome. The mechanisms that target the protein to the nucleus and the centromere have not been defined. In this study, we found that deletion of the first 53 but not the first 29 residues of CENP-A from the amino-terminus, resulted in its cytoplasmic localization. Two motifs, R42R43R44 and K49R52K53K56, which are reported to be required for DNA contact in the centromere nucleosome, were found to be critical for CENP-A nuclear accumulation. These two motifs potentially mediated its interaction with Importin-β but were not involved in CENP-A centromeric localization. A third novel motif, L60L61I62R63K64, was found to be essential for the centromeric accumulation of CENP-A. The nonpolar hydrophobic residues L60L61I62, but not the basic residues R63K64, were found to be the most important residues. A protein interaction assay suggested that this motif is not involved in the interaction of CENP-A with its deposition factors but potentially mediates its interaction with core histone H4 and CENP-B. Our study uncovered the role of the amino-terminus of CENP-A in localization.
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