| 1992 |
CENP-C is a component of the inner kinetochore plate, as determined by immunoelectron microscopy of HeLa chromosomes using antibodies raised against CENP-C cDNA-encoded fusion proteins. |
Immunoelectron microscopy, indirect immunofluorescence, immunoblotting |
Cell |
High |
1339310
|
| 1989 |
CENP-C is present exclusively at active centromeres and is absent from inactive centromeres of stable dicentric chromosomes, suggesting it is a necessary component of functional kinetochores; CENP-C appears confined to the outer centromere in the kinetochore region. |
Immunofluorescence with specific anti-CENP-C antibodies on dicentric chromosomes |
Chromosoma |
High |
2475307
|
| 1994 |
Nuclear microinjection of anti-CENP-C antibodies during interphase causes metaphase arrest and reduces kinetochore size (trilaminar structures are reduced in diameter), demonstrating CENP-C is required for establishing/maintaining proper kinetochore size and for the timely metaphase-to-anaphase transition. |
Nuclear microinjection of antibodies, immunoelectron microscopy |
The Journal of cell biology |
High |
8175879
|
| 1994 |
CENP-C is a DNA-binding protein; an internal ~101 amino acid stretch constitutes its DNA-binding domain, demonstrated by Southwestern blotting of recombinant CENP-C expressed in E. coli against human genomic DNA and alphoid DNA subfamilies. |
Southwestern blotting, recombinant protein expression, truncation analysis |
Journal of biochemistry |
Medium |
7883764
|
| 1995 |
The yeast MIF2 protein (CENP-C ortholog) interacts genetically with CEP1/CBF1, NDC10/CBF2, and CEP3/CBF3B at the centromere; mif2 mutations lie within regions homologous to CENP-C, establishing functional and structural conservation between yeast and mammalian centromeres. |
Genetic epistasis, synthetic lethality screens, minichromosome stability assays |
Molecular biology of the cell |
High |
7579695
|
| 1995 |
CENP-C has an autonomous centromere-targeting domain located in the central region of the protein, which overlaps with its DNA-binding domain, as defined by truncation mutant analysis in vivo and in vitro. |
In vivo expression of truncation mutants, in vitro DNA-binding assays |
Molecular and cellular biology |
High |
8668174
|
| 1995 |
CENP-C and CENP-E localize exclusively to active centromeres (not inactive centromeres) in dicentric Robertsonian translocations, establishing that at least two centromeric proteins are required for human centromeric function. |
Immunofluorescence combined with FISH on dicentric chromosomes |
Human molecular genetics |
High |
8634687
|
| 1995 |
The Mif2 homology domain in the central region of CENP-C is required for centromere assembly; mutations within this domain impair CENP-C kinetochore localization. The N-terminus of CENP-C is required for protein destruction and renders otherwise stable proteins unstable. |
In vivo expression of CENP-C mutants, centromere targeting assays |
Molecular biology of the cell |
Medium |
7579707
|
| 1996 |
CENP-C interacts with nucleolar transcription factors UBF1 and UBF2 through its C-terminal third, as identified by affinity chromatography and confirmed by co-localization of a subset of CENP-C and UBF at nucleoli in interphase HeLa cells. |
Affinity chromatography, microsequence analysis, immunofluorescence co-localization |
The Journal of biological chemistry |
Medium |
8702533
|
| 1997 |
Human CENP-C has three functional units: an N-terminal oligomerization domain (capable of dimer and tetramer formation by crosslinking), an internal DNA-binding domain (with core and flanking stabilizing elements), and a C-terminal dimerization domain (forming exclusively dimers), as defined by biochemical analysis of expressed fragments. |
Chemical crosslinking, gel filtration, Southwestern blotting |
Chromosome research |
Medium |
9146917
|
| 1997 |
CENP-C loss of function (conditional fusion to mouse steroid receptor in DT40 cells) causes arrest at the metaphase/anaphase junction followed by apoptosis, demonstrating CENP-C is required for anaphase progression or centromere signaling. |
Conditional gene targeting, live cell observation, DT40 chicken cells |
Human molecular genetics |
High |
9361037
|
| 1998 |
CENP-C interacts with HDaxx (a death domain-binding protein) through the N-terminal 315 amino acids of CENP-C and the C-terminal 104 amino acids of HDaxx; this interaction is interphase-specific and they co-localize at discrete nuclear spots in interphase HeLa cells. |
Yeast two-hybrid, immunofluorescence co-localization |
Journal of cell science |
Medium |
9645950
|
| 1999 |
Herpes simplex virus immediate-early protein Vmw110 (ICP0) causes proteasome-dependent loss of CENP-C from centromeres during infection (via its RING finger domain), resulting in ultrastructural kinetochore disruption, mitotic arrest, and abnormal cytokinesis. |
Viral infection, proteasome inhibitor treatment, immunofluorescence, electron microscopy |
The EMBO journal |
High |
10075924
|
| 1999 |
CENP-C is necessary but not sufficient for formation of a functional centromere; its removal disassembles the centromere protein complex and blocks cells at metaphase-anaphase junction, while overexpression of CENP-C does not associate with ZW10 and causes segregation errors. |
Conditional gene disruption, inducible overexpression, immunofluorescence in DT40 cells |
The EMBO journal |
High |
10428958
|
| 2001 |
CENP-H is required for centromere targeting of CENP-C but not CENP-A in vertebrate cells, establishing a hierarchical assembly order at the centromere: CENP-A → CENP-H → CENP-C. |
Conditional knockout in DT40 cells, immunocytochemistry |
The EMBO journal |
High |
11500386
|
| 2001 |
C. elegans HCP-4/CENP-C localizes to centromeres in a CENP-A (HCP-3)-dependent manner, and its loss of function by RNAi results in failure of sister centromere resolution and failure to form functional kinetochores; HCP-4 and HCP-3 are both required for localization of HCP-1 (CENP-F-like), defining an ordered assembly pathway. |
RNAi, immunofluorescence localization in C. elegans |
The Journal of cell biology |
High |
11402064
|
| 2001 |
A SUMO-1 gene suppresses the temperature-sensitive phenotype of a CENP-C mutant in DT40 cells, suggesting that SUMO-1 is involved in centromere function in vertebrate cells through a pathway involving CENP-C. |
cDNA library suppressor screen, temperature-sensitive CENP-C mutants in DT40 cells |
Nucleic acids research |
Medium |
11557811
|
| 2002 |
CENP-C binds alpha-satellite DNA in vivo selectively; the region between amino acids 410 and 537 is required for this in vivo DNA binding; CENP-C and CENP-B associate with the same types of alpha-satellite arrays but in distinct non-overlapping centromere domains. |
Chromatin immunoprecipitation (ChIP), immunofluorescence, ultrastructural analysis |
Journal of cell science |
High |
12006616
|
| 2002 |
CENP-C inactivation in DT40 cells causes mitotic delay, impairs the Mad2 spindle checkpoint pathway (~60% of CENP-C-deficient cells lack Mad2 signals after nocodazole), and causes significant reduction in Mis12 complex proteins at centromeres; CENP-C centromere localization in interphase requires the CENP-H complex. |
Conditional knockout in DT40 cells, immunofluorescence, live-cell microscopy |
Molecular biology of the cell |
High |
17392512
|
| 2002 |
PARP-2 does not interact with CENP-C as determined by co-immunoprecipitation, distinguishing CENP-C from CENP-A and CENP-B which do interact with PARP-2. |
Co-immunoprecipitation |
Human molecular genetics |
Medium |
12217960
|
| 2002 |
Human CENP-C contains two distinct centromere-targeting domains: one in the central region (aa 426-537) and one in the C-terminal region (aa 638-943), both capable of binding alpha-satellite DNA in vivo. |
Immunofluorescence of truncation mutants, ChIP |
Journal of structural biology |
Medium |
12490152
|
| 2003 |
CENP-B interacts directly with CENP-C; the CENP-C domains required for this interaction overlap with three Mif2 homologous regions and are also involved in centromere assembly. Overproduction of CENP-B truncants lacking CENP-C interaction domains causes abnormal CENP-C domain duplication and cell cycle delay. |
Yeast two-hybrid, domain truncation analysis, immunofluorescence |
The Journal of biological chemistry |
Medium |
14612452
|
| 2004 |
CENP-C can be sumoylated in vitro by SUMO-1 and SUMO-2; sumoylation occurs at multiple lysine residues including sites outside the perfect consensus motif, within regions overlapping the DNA-binding and centromere localization domains. |
In vitro sumoylation reconstitution, tandem mass spectrometry identification of sumoylated isopeptides |
The Journal of biological chemistry |
Medium |
15272016
|
| 2007 |
Drosophila CENP-C is required for normal kinetochore attachment to the spindle; it was identified through genetic interaction with separase regulatory subunits Pimples/securin and Three rows, and its centromere localization domain contains a diverged CENPC motif. |
Genetic modifier screen, in vivo imaging, domain analysis |
Genes & development |
Medium |
16140985
|
| 2007 |
Drosophila CID (CENP-A) and CENP-C are incorporated into centromeres during anaphase in early embryos; this incorporation is independent of DNA synthesis and spindle pulling forces but strictly coupled to mitotic progression. |
Quantitative fluorescence measurements in living embryos using fluorescent fusion proteins |
Current biology |
High |
17222555
|
| 2007 |
Caspase-7 (activated downstream of death receptor-induced caspase-8) cleaves CENP-C and INCENP, causing their mislocalization and subsequent mislocalization of Aurora B kinase from centromeres; expression of non-cleavable CENP-C prevents passenger complex mislocalization after caspase activation. |
Biochemical caspase cleavage assays, site-directed mutagenesis, immunofluorescence |
Molecular biology of the cell |
High |
17287400
|
| 2009 |
CENP-C recruits the Mis12/MIND complex and CENP-K to kinetochores via its N-terminal domain; immunodepletion of CENP-C from Xenopus metaphase egg extract prevents kinetochore formation on sperm chromatin; CENP-C mutants that localize to centromeres but fail to recruit Mis12/MIND complex cannot support kinetochore assembly. |
Xenopus egg extract immunodepletion, in vitro complementation with mutant CENP-C, immunofluorescence |
Molecular biology of the cell |
High |
19641019
|
| 2009 |
DNMT3B interacts directly with CENP-C (identified by yeast two-hybrid and confirmed by co-immunoprecipitation in mammalian cells); CENP-C recruits DNMT3B and DNA methylation to centromeric and pericentromeric satellite repeats; loss of CENP-C reduces DNA methylation at centromeres, alters the histone code, and increases chromosome missegregation and centromeric repeat transcription. |
Yeast two-hybrid, co-immunoprecipitation, siRNA knockdown, bisulfite sequencing, ChIP |
Human molecular genetics |
High |
19482874
|
| 2009 |
The C-terminal Mif2p homology domain II of CENP-C targets the centromere and contacts alpha-satellite DNA; domain III mediates homo-dimerization, homo-oligomerization, and interaction with CENP-A and histone H3. |
Immunofluorescence, ChIP, co-immunoprecipitation, bimolecular fluorescence complementation |
PloS one |
Medium |
19503796
|
| 2009 |
Fission yeast CENP-C (Cnp3) acts as a scaffold recruiting Fta1/CENP-L (primary direct effector) for mitotic kinetochore function; Cnp3 also recruits Pcs1 to prevent merotelic attachment; in meiosis, Cnp3 associates with and recruits Moa1 for meiotic mono-orientation of kinetochores. |
Yeast genetic and biochemical analyses, epistasis, ectopic localization |
Developmental cell |
High |
19758558
|
| 2010 |
Maize CENPC DNA binding is mediated by a 122 amino acid domain and is stabilized by single-stranded RNA; long single-stranded nucleic acids promote CENPC binding to DNA. Removal of this binding module causes partial delocalization of CENPC in vivo. |
In vitro DNA/RNA binding assays, domain truncation, in vivo localization with mutants |
PLoS genetics |
Medium |
20140237
|
| 2010 |
Drosophila Cal1 links CENP-A/Cid and CENP-C by binding their N- and C-terminal domains respectively (shown by yeast three-hybrid); Cal1 limits centromeric deposition of CENP-A/Cid and CENP-C during mitotic exit; both Cal1 domains are required together for centromere function. |
Yeast three-hybrid, quantitative in vivo fluorescence imaging |
Journal of cell science |
High |
20940262
|
| 2011 |
The N-terminal region of Drosophila CENP-C is sufficient to recruit all KMN network components (Mis12 complex, Ndc80 complex, Spc105/KNL1); the Mis12 complex component Nnf1 directly interacts with CENP-C in vitro; targeting the CENP-C N-terminus to centrosomes redirects KMN proteins away from kinetochores, causing mitotic defects. |
In vitro binding assay, ectopic targeting assay (centrosome targeting), immunofluorescence in Drosophila cells |
Current biology |
High |
21353555
|
| 2011 |
A conserved N-terminal motif of vertebrate Cenp-C binds directly and with high affinity to the Mis12 complex, linking the inner and outer kinetochore; expression of the isolated N-terminal Cenp-C motif in HeLa cells prevents outer kinetochore assembly, causes chromosome missegregation, and impairs spindle assembly checkpoint. |
Direct binding assay (biochemical reconstitution), dominant-negative expression in HeLa cells, immunofluorescence |
Current biology |
High |
21353556
|
| 2011 |
CENP-C recruits M18BP1 (Mis18 complex component) to centromeres to promote CENP-A chromatin assembly; depletion of CENP-C prevents M18BP1 targeting to metaphase centromeres and inhibits CENP-A assembly; M18BP1 directly binds CENP-C through conserved domains. |
siRNA depletion, in vitro direct binding assay, immunofluorescence |
The Journal of cell biology |
High |
21911481
|
| 2012 |
M18BP1 interacts with CENP-C through a central SANT domain region of M18BP1 and the C-terminus of CENP-C; CENP-C knockdown reduces M18BP1 centromeric association and lowers CENP-A levels at centromeres. |
Interaction screen, domain mapping, siRNA knockdown, immunofluorescence in mouse ESCs |
Nucleus |
Medium |
22540025
|
| 2013 |
CENP-C recognizes the CENP-A nucleosome by binding a hydrophobic region in the CENP-A tail and docking onto the acidic patch of histones H2A and H2B; this mechanism is used by both the CENP-C motif and the broader conserved central region; the mechanism is conserved across species. |
Crystal structure determination, NMR, mutagenesis, biochemical binding assays |
Science |
High |
23723239
|
| 2015 |
CENP-C binds CENP-A nucleosomes (using purified components) and reshapes the octameric histone core: it rigidifies both surface and internal nucleosome structure and modulates terminal DNA wrapping to match the loose wrap found on native CENP-A nucleosomes. CENP-C depletion leads to rapid removal of CENP-A from centromeres. |
In vitro reconstitution with purified components, fluorescence lifetime imaging, single-molecule FRET, CENP-C depletion in cells |
Science |
High |
25954010
|
| 2015 |
The PEST domain in the N-terminal half of CENP-C directly interacts with the CENP-HIKM subcomplex, and this interaction is required for kinetochore localization of CENP-HIKM and CENP-TW; CENP-C acts as a blueprint for CCAN assembly. |
Biochemical reconstitution, domain mapping, cellular rescue assays, immunofluorescence |
The Journal of cell biology |
High |
26124289
|
| 2015 |
CENP-C and CENP-T independently recruit the KMN network to kinetochores via distinct mechanisms and regulatory controls: CENP-C recruits Ndc80 through KNL1 and Mis12 interactions (regulated by Aurora B), while CENP-T directly interacts with Ndc80 (regulated by CDK). |
Ectopic chromosomal targeting assays in human cells, immunofluorescence |
Current biology |
High |
25660545
|
| 2015 |
CENP-C depletion leads to increased centromere DNA aberrations (sister chromatid exchanges at centromeres), indicating CENP-C maintains centromere repeat integrity independently of its role in chromosome segregation. |
CO-FISH (chromosome orientation FISH), siRNA depletion, structured illumination microscopy |
PNAS |
Medium |
28167779
|
| 2015 |
CENP-C and CENP-I are key factors connecting kinetochore to CENP-A assembly; tethering various kinetochore components to an ectopic array recruits CENP-C and subsequently M18BP1; CENP-I can also recruit M18BP1 downstream of CENP-C to enhance M18BP1 assembly at centromeres. |
Tethering assay with tetR-fusion proteins on synthetic alphoid array HACs, immunofluorescence |
Journal of cell science |
Medium |
26527398
|
| 2016 |
Crystal structure of human MIS12C in complex with a CENP-C fragment reveals the structural basis of the CENP-C–Mis12 interaction; Aurora B kinase phosphorylation of CENP-C regulates this interaction, allowing construction of a near-complete structural model of the KMN assembly. |
X-ray crystallography, biochemical binding assays, Aurora B kinase phosphorylation assays |
Cell |
High |
27881301
|
| 2016 |
CENP-C directs a structural transition in CENP-A nucleosomes predominantly through lateral sliding of DNA gyres (gyre sliding), returning them toward canonical nucleosome DNA positions, as measured by single-molecule FRET. |
Single-molecule FRET with recombinant human histones and centromere DNA |
Nature structural & molecular biology |
High |
26878239
|
| 2017 |
Active centromere alpha-satellite transcripts are complexed with CENP-A and CENP-C; depletion of array-specific RNAs reduces CENP-A and CENP-C at the targeted centromere via faulty CENP-A loading. |
RNA immunoprecipitation, RNA FISH, antisense oligonucleotide depletion, immunofluorescence |
Developmental cell |
Medium |
28787590
|
| 2017 |
Yeast Mif2/CENP-C uses a contiguous DNA- and histone-binding domain (DHBD) containing the CENP-C motif, an AT-hook, and RK clusters to contact both Cse4/CENP-A residues and AT-rich centromere DNA simultaneously; human CENP-C has two related DHBDs that preferentially bind higher AT content DNA. |
Biochemical binding assays, mutational analysis, structural analysis |
Genes & development |
High |
29074736
|
| 2017 |
Aurora B kinase phosphorylates the N-terminal region (Thr28) of S. pombe CENP-C (Cnp3), impairing its interaction with the Mis12 complex; a phosphomimetic mutant causes defective chromosome segregation due to improper kinetochore assembly. |
Kinase assay, co-immunoprecipitation, crystal structure of Mis12-Nnf1 complex, mutant expression in S. pombe |
PNAS |
High |
29180432
|
| 2019 |
CDK1 phosphorylates the C-terminal region of CENP-C (at conserved sites), facilitating its binding to CENP-A nucleosomes in vitro and in vivo; this CENP-A binding promotes CENP-C kinetochore localization during mitosis, and the CENP-A–CENP-C interaction is critical for long-term viability in human RPE-1 cells. |
In vitro kinase assay (CDK1), Phos-tag SDS-PAGE, co-immunoprecipitation, immunofluorescence in chicken and human cells, cell viability assays |
The Journal of cell biology |
High |
31676716
|
| 2019 |
Human CENP-C central region (CENP-CCR) and CENP-C motif both bind exclusively to CENP-A nucleosomes in vitro; CENP-CCR binds with high affinity through CENP-AV532 and CENP-AV533 (extended hydrophobic area); CENP-CCR binding destabilizes the H2A C-terminal tail (further exacerbating loose DNA wrapping) and rigidifies H4 N-terminal tail in the conformation favoring H4K20 monomethylation. |
Cryo-EM structure of CENP-A nucleosome, in vitro binding assays, mutagenesis |
EMBO reports |
High |
31475439
|
| 2020 |
Mif2/CENP-C exhibits auto-inhibition: wild-type Mif2 is attenuated in binding the Mtw1 complex, and binding Cse4/CENP-A nucleosomes overcomes this inhibition; a Mif2 mutant bypassing Cse4 requirement for Mtw1 binding causes mis-localization of the Mtw1 complex and chromosome segregation defects in vivo. |
In vitro binding assays with reconstituted nucleosomes, yeast genetics, immunofluorescence |
The EMBO journal |
High |
32515113
|
| 2022 |
lncRNA CCTT recruits CENP-C to centromeric DNA via RNA-DNA triplex formation and a direct RNA-protein interaction with CENP-C; CCTT loss triggers mitotic errors and aneuploidy, and CCTT localizes to all centromeres. |
RNA immunoprecipitation, RNA-DNA triplex assay, siRNA/shRNA depletion, immunofluorescence, FISH |
Molecular cell |
Medium |
36332605
|
| 2023 |
CENP-C undergoes self-oligomerization through its C-terminal Cupin domain (demonstrated by structural and biochemical analyses of chicken and human CENP-C); this oligomerization is vital for CENP-C function, centromeric localization of CCAN proteins, and centromeric chromatin organization. |
Crystal structure of Cupin domain, biochemical self-oligomerization assays, mutagenesis, immunofluorescence in chicken cells |
Molecular cell |
High |
37295434
|
| 2023 |
In C. elegans oocytes, CENP-C (HCP-4) directly recruits PLK-1 to the chromosome arm during meiosis (independent of BUB-1); disruption of the CENP-C–PLK-1 interaction leads to imbalance in kinetochore components and chromosome congression defects without affecting CDC-20 recruitment. |
Live imaging, biochemical interaction assays, RNAi, degron-mediated depletion in C. elegans oocytes |
eLife |
High |
37067150
|
| 2023 |
Multi-site phosphorylation of the PEST region of yeast Mif2/CENP-C enhances inner kinetochore assembly; eliminating PEST phosphorylation sites progressively impairs cellular fitness and causes lethality in cells lacking otherwise non-essential inner kinetochore factors. |
Yeast genetics, phosphorylation-site mutagenesis, genetic interaction analysis |
Current biology |
Medium |
36736323
|
| 2024 |
In C. elegans embryos, CENP-C targets PLK-1 to the inner kinetochore during prometaphase and metaphase; disruption of the CENP-C–PLK-1 interaction causes kinetochore component imbalance and chromosome congression defects distinct from the effects of BUB-1-targeted PLK-1 (which controls CDC-20 recruitment and SAC). |
Engineered protein interaction mutants, live imaging, immunofluorescence in C. elegans embryos |
Journal of cell science |
High |
39355896
|
| 2024 |
The CENP-C–Mis12 complex (Mis12C) interaction facilitates centromeric recruitment of Aurora B; Aurora B in turn reinforces the CENP-C–Mis12C interaction, creating a positive regulatory loop that ensures kinetochore biorientation and error correction. |
Immunofluorescence, co-immunoprecipitation, CENP-C mutant analysis in human RPE-1 cells and mouse models |
Life science alliance |
Medium |
39433344
|
| 2025 |
Maternal CENP-C is recruited asymmetrically to paternal centromeres in the zygote, and this recruitment is required to equalize CENP-A levels between maternal and paternal centromeres before first mitosis; disruption of CENP-C dimerization impairs CENP-A equalization and chromosome segregation. |
CENP-A-mScarlet mouse model, live imaging, maternal CENP-C depletion, dimerization-disrupting mutants |
Developmental cell |
High |
40997799
|
| 2025 |
KIF18A promotes chromosome alignment in cooperation with CENP-E downstream of CENP-C; a genome-wide Cas9 screen using a hypomorphic CENP-C mutant identified KIF18A as synthetic lethal, with the synthetic defect caused by reduction in CENP-E function in the CENP-C mutant background. |
Genome-wide Cas9 functional genetics screen, synthetic lethality, immunofluorescence |
Cell reports |
Medium |
41218610
|