CETN2 centrin 2 [Homo sapiens (human)] - Gene

Summary

Official Symbol: CETN2provided by HGNC
Official Full Name: centrin 2provided by HGNC
Primary source: HGNC:HGNC:1867
See related: Ensembl:ENSG00000147400 MIM:300006; AllianceGenome:HGNC:1867
Gene type: protein coding
RefSeq status: REVIEWED
Organism: Homo sapiens
Lineage: Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo
Also known as: CALT; CEN2
Summary: Caltractin belongs to a family of calcium-binding proteins and is a structural component of the centrosome. The high level of conservation from algae to humans and its association with the centrosome suggested that caltractin plays a fundamental role in the structure and function of the microtubule-organizing center, possibly required for the proper duplication and segregation of the centrosome. [provided by RefSeq, Jul 2008]
Expression: Ubiquitous expression in thyroid (RPKM 47.2), endometrium (RPKM 42.4) and 25 other tissues See more
Orthologs: mouse all
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Genomic context

Location:: Xq28

Exon count:: 5

Annotation release	Status	Assembly	Chr	Location
RS_2024_08	current	GRCh38.p14 (GCF_000001405.40)	X	NC_000023.11 (152826994..152830757, complement)
RS_2024_08	current	T2T-CHM13v2.0 (GCF_009914755.1)	X	NC_060947.1 (151093478..151097241, complement)
RS_2024_09	previous assembly	GRCh37.p13 (GCF_000001405.25)	X	NC_000023.10 (151995538..151999301, complement)

Chromosome X - NC_000023.11 Genomic Context describing neighboring genes

Genomic regions, transcripts, and products

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Go to reference sequence details

Genomic Sequence:

Go to nucleotide: Graphics FASTA GenBank

Expression

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See details

Project title: HPA RNA-seq normal tissues
Description: RNA-seq was performed of tissue samples from 95 human individuals representing 27 different tissues in order to determine tissue-specificity of all protein-coding genes
BioProject: PRJEB4337
Publication: PMID 24309898
Analysis date: Wed Apr 4 07:08:55 2018

Bibliography

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GeneRIFs: Gene References Into Functions

What's a GeneRIF?

High expression of CETN2 is associated with platinum resistance and poor prognosis in epithelial ovarian cancer.
Title: High expression of CETN2 is associated with platinum resistance and poor prognosis in epithelial ovarian cancer.
observations indicate that centrin 2 requires calcium-binding capacity for its primary ciliogenesis functions, but not for NER, and suggest that these functions require centrin 2 to be capable of forming complexes with partner proteins.
Title: Differential requirements for the EF-hand domains of human centrin 2 in primary ciliogenesis and nucleotide excision repair.
the regulation and control of peptide p22-XPC binding with HsCen2
Title: Calcium and phosphorylation double-regulating caltractin initiating target protein XPC function.
Correlations between loss of expression of three genes: CETN2 (P < 0.001) and ERCC1 (P = 0.01) from the nucleotide excision repair (NER) and NEIL2 (P = 0.04) from the base excision repair (BER) pathways were associated with endocrine treatment resistance in discovery dataset, and subsequently validated in independent patient cohorts.
Title: Comprehensive Profiling of DNA Repair Defects in Breast Cancer Identifies a Novel Class of Endocrine Therapy Resistance Drivers.
The results in this report demonstrate that 14-3-3 epsilon and 14-3-3 gamma form a complex with Centrin2 and that the binding site is located in the N-terminal EF hand in Centrin2, EF1.
Title: 14-3-3 proteins mediate the localization of Centrin2 to centrosome.
Multidisciplinary approach showed that HsPrp40Ap interacts with centrin in vitro, supporting a coupled functional role for these proteins in pre-mRNA splicing.
Title: Prp40 Homolog A Is a Novel Centrin Target.
Cetn3 inhibits Mps1 autophosphorylation at Thr-676, a known site of T-loop autoactivation, and interferes with Mps1-dependent phosphorylation of Cetn2. The cellular overexpression of Cetn3 attenuates the incorporation of Cetn2 into centrioles and centrosome reduplication, whereas depletion of Cetn3 generates extra centrioles.
Title: Centrin 3 is an inhibitor of centrosomal Mps1 and antagonizes centrin 2 function.
Centrin2 regulates primary ciliogenesis through controlling CP110 levels.
Title: Centrin2 regulates CP110 removal in primary cilium formation.
co-depletion of centrin 2 and PCID2 leads to blocking rather than delaying nuclear protein export, indicating the dominance of the centrin 2 phenotype.
Title: Human TREX2 components PCID2 and centrin 2, but not ENY2, have distinct functions in protein export and co-localize to the centrosome.
Data indicate that overexpression of the centrin interactor POC5 leads to the assembly of linear, centrin-dependent structures.
Title: Calcium-binding capacity of centrin2 is required for linear POC5 assembly but not for nucleotide excision repair.

Submit: New GeneRIF Correction See all GeneRIFs (33)

Phenotypes

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Find tests for this gene in the NIH Genetic Testing Registry (GTR)

Review eQTL and phenotype association data in this region using PheGenI

Variation

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See variants in ClinVar

See studies and variants in dbVar

See Variation Viewer (GRCh37.p13)

See Variation Viewer (GRCh38)

HIV-1 interactions

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Protein interactions

Protein	Gene	Interaction	Pubs
Pr55(Gag)	gag	Studies using a combined approach of immunofluorescence detection of Gag protein and in situ hybridization detection of viral genomic RNA indicate Gag co-localizes with Psi+ RNA in the perinuclear region and also co-localizes with centrins	PubMed
Vpr	vpr	HIV-1 Vpr-expressing HeLa cells stained with centriole markers pericentrin, gamma-tubulin, and Cen2 contain multiple pairs of centrioles scattered in the perinuclear region, indicating Vpr causes the accumulation of multiple centrosome-like structures	PubMed

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Interactions

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Products	Interactant	Other Gene	Complex	Source	Pubs	Description

General gene information

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Markers

DXS52 (e-PCR)
- UniSTS:98875

STS-X72964 (e-PCR)
- UniSTS:28396

Gene Ontology Provided by GOA

Function	Evidence Code	Pubs
enables G-protein beta/gamma-subunit complex binding	IEA Inferred from Electronic Annotation more info
enables calcium ion binding	IBA Inferred from Biological aspect of Ancestor more info
enables calcium ion binding	NAS Non-traceable Author Statement more info	PubMed
enables heterotrimeric G-protein binding	IEA Inferred from Electronic Annotation more info
enables microtubule binding	IEA Inferred from Electronic Annotation more info
enables protein binding	IPI Inferred from Physical Interaction more info	PubMed

Process	Evidence Code	Pubs
involved_in cell division	IEA Inferred from Electronic Annotation more info
involved_in centriole replication	IBA Inferred from Biological aspect of Ancestor more info
involved_in centriole replication	IMP Inferred from Mutant Phenotype more info	PubMed
involved_in mRNA transport	IEA Inferred from Electronic Annotation more info
involved_in microtubule cytoskeleton organization	IBA Inferred from Biological aspect of Ancestor more info
involved_in mitotic cell cycle	NAS Non-traceable Author Statement more info	PubMed
involved_in nucleotide-excision repair	IBA Inferred from Biological aspect of Ancestor more info
involved_in nucleotide-excision repair	IDA Inferred from Direct Assay more info	PubMed
involved_in protein transport	IEA Inferred from Electronic Annotation more info
involved_in regulation of cytokinesis	IMP Inferred from Mutant Phenotype more info	PubMed
involved_in spermatogenesis	IEA Inferred from Electronic Annotation more info

Component	Evidence Code	Pubs
located_in 9+2 motile cilium	IEA Inferred from Electronic Annotation more info
part_of XPC complex	IDA Inferred from Direct Assay more info	PubMed
located_in apical part of cell	IEA Inferred from Electronic Annotation more info
is_active_in centriole	IBA Inferred from Biological aspect of Ancestor more info
located_in centriole	IDA Inferred from Direct Assay more info	PubMed
is_active_in centrosome	IBA Inferred from Biological aspect of Ancestor more info
located_in centrosome	IDA Inferred from Direct Assay more info	PubMed
located_in centrosome	NAS Non-traceable Author Statement more info	PubMed
located_in ciliary basal body	IEA Inferred from Electronic Annotation more info
located_in cytosol	TAS Traceable Author Statement more info
part_of nuclear pore nuclear basket	IDA Inferred from Direct Assay more info	PubMed
located_in nucleoplasm	TAS Traceable Author Statement more info
is_active_in nucleus	IBA Inferred from Biological aspect of Ancestor more info
located_in photoreceptor connecting cilium	IEA Inferred from Electronic Annotation more info
part_of transcription export complex 2	IDA Inferred from Direct Assay more info	PubMed

General protein information

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Preferred Names: centrin-2

Names: caltractin (20kD calcium-binding protein); centrin, EF-hand protein, 2

NCBI Reference Sequences (RefSeq)

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RefSeqs maintained independently of Annotated Genomes

These reference sequences exist independently of genome builds. Explain

These reference sequences are curated independently of the genome annotation cycle, so their versions may not match the RefSeq versions in the current genome build. Identify version mismatches by comparing the version of the RefSeq in this section to the one reported in Genomic regions, transcripts, and products above.