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anti-Human CENPA Antibodies:
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Human Polyclonal CENPA Primary Antibody for DB, ICC - ABIN2668362
Logsdon, Barrey, Bassett, DeNizio, Guo, Panchenko, Dawicki-McKenna, Heun, Black: Both tails and the centromere targeting domain of CENP-A are required for centromere establishment. in The Journal of cell biology 2015
the SGT1 (show SUGT1 Antibodies)-HSP90 (show HSP90 Antibodies) complex contributes to the E3 ligase activity of the CUL4A (show CUL4A Antibodies) complex that is necessary for CENP-A ubiquitylation and CENP-A deposition at the centromere.
during the CENP-A/H4 deposition process, the chaperone HJURP (show HJURP Antibodies) protects various substructures of the dimer, serving both as a folding and binding chaperone
This study provides insights into how overexpression of CENP-A may contribute to CIN (show PDXP Antibodies) in cancers and underscore the importance of understanding the pathways that prevent CENP-A mislocalization for genome stability.
Findings indicate the role of the amino-terminus of centromere protein A (CENP-A) in localization.
Levels of centromere aberrations increase upon depletion of CENP-A, CENP-C (show CENPC1 Antibodies), and CENP-T (show CENPT Antibodies)/W, during replicative senescence, and in cancer cells.
findings demonstrate the involvement of consensus Cdk1 (show CDK1 Antibodies) phosphorylation sites on Mis18 complex assembly and thus provide a rationale for cell cycle-regulated timing of Mis18 assembly and CENP-A deposition
Upon cross-linking, the entire CENPA/CENPB (show CENPB Antibodies)/CENPC (show CENPC1 Antibodies)/CENPT (show CENPT Antibodies) complex is nuclease (show DCLRE1C Antibodies)-protected over an alpha-satellite dimer that comprises the fundamental unit of centromeric chromatin. We conclude that CENPA/CENPC and CENPT (show CENPT Antibodies) pathways for kinetochore assembly are physically integrated over young alpha-satellite dimers.
we review our current understanding of CENP-A evolution in relation to centromere drive and discuss classical and recent advances, including new evidence implicating CENP-A chaperones in this conflict.
there is a reciprocal interdependency of CENP-A chromatin and the underlying repetitive centromere DNA sequences bound by CENP-B (show CENPB Antibodies) in the maintenance of human chromosome segregation.
Identify the licensing factor M18BP1 (show MIS18BP1 Antibodies) and the CENP-A chaperone HJURP (show HJURP Antibodies) as the two key targets of Cdk (show CDK4 Antibodies)-based inhibition sufficient for maintenance of strict cell-cycle control of CENP-A assembly.
Centromeres with more satellite repeats house more nucleosomes that confer centromere identity, containing the histone H3 (show HIST3H3 Antibodies) variant CENP-A, and bias their segregation to the egg relative to centromeres with fewer repeats.
The findings provide evidence that CENP-A is critical for the faithful chromosome segregation during mammalian oocyte meiosis.
evolutionarily conserved flexible ends of the CENP-A nucleosomes are essential to ensure the fidelity of the mitotic pathway.
These data implicate the insulin (show INS Antibodies)-FoxM1 (show FOXM1 Antibodies)/PLK1 (show PLK1 Antibodies)/CENP-A pathway-regulated mitotic cell-cycle progression as an essential component in the beta cell adaptation to delay and/or prevent progression to diabetes.
CPCs maintain relatively high levels of CENP-A early in life, which is necessary for sustaining proliferation, inhibiting senescence, and promoting survival following differentiation of CPCs.
Results report that the level of CENP-A, a protein required for cell division, declines precipitously with age in an islet-specific manner.
Cenpa, Cenpb (show CENPB Antibodies), and Bub3 (show BUB3 Antibodies), but not Cenpc (show CENPC1 Antibodies), interacted with PARP-1 (show PARP1 Antibodies)
The centromere-targeting domain of CENP-A is both necessary and sufficient for recruitment to double-strand breaks. CENP-A accumulation at DNA breaks is enhanced by active non-homologous end-joining but does not require DNA-PKcs (show PRKDC Antibodies) or Ligase IV.
CENP-C (show CENPC1 Antibodies) and M18BP1 (show MIS18BP1 Antibodies) recruit HJURP (show HJURP Antibodies) to centromeres for new CENP-A assembly.
CENP-A assembly into chromatin requires unidentified deoxycytidine deaminase (show APOBEC3G Antibodies) and UNG2 (show CCNO Antibodies), a uracil DNA glycosylase (show UNG Antibodies).
CENP-A deposition at the centromeres is dependent on HJURP (show HJURP Antibodies).
Centromeres are the differentiated chromosomal domains that specify the mitotic behavior of chromosomes. CENPA encodes a centromere protein which contains a histone H3 related histone fold domain that is required for targeting to the centromere. CENPA is proposed to be a component of a modified nucleosome or nucleosome-like structure in which it replaces 1 or both copies of conventional histone H3 in the (H3-H4)2 tetrameric core of the nucleosome particle. Alternative splicing results in multiple transcript variants encoding distinct isoforms.
centromere autoantigen A
, centromere protein A, 17kDa
, centromere-specific histone
, histone H3-like centromeric protein A
, centrosomin A
, centromere protein, Xenopus
, centromeric histone-3 like protein
, centromere protein A