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CCNT2
The protein encoded by this gene belongs to the highly conserved cyclin family, whose members are characterized by a dramatic periodicity in protein abundance through the cell cycle. Cyclins function as regulators of CDK kinases. Different cyclins exhibit distinct expression and degradation patterns which contribute to the temporal coordination of each mitotic event. This cyclin and its kinase partner CDK9 were found to be subunits of the transcription elongation factor p-TEFb. The p-TEFb complex containing this cyclin was reported to interact with, and act as a negative regulator of human immunodeficiency virus type 1 (HIV-1) Tat protein. A pseudogene of this gene is found on chromosome 1. Alternate splicing results in multiple transcript variants.[provided by RefSeq, Dec 2010]
Protein class
Plasma proteins
Predicted location
Intracellular
Single cell type specificity
Low cell type specificity
Immune cell specificity
Low immune cell specificity
Cell line specificity
Low cell line specificity
Interaction
Interacts with CDK9 to form P-TEFb (PubMed:9499409, PubMed:16331689). Interacts with POLR2A (via the C-terminal domain (CTD)); mediates transcriptional activity (PubMed:15563843). Interacts with HEXIM1; mediates formation of a tripartite complex with KPNA2. Interacts with HEXIM2 (PubMed:19883659). Interacts with PKN1; enhances MYOD1-dependent transcription (PubMed:16331689). P-TEFB complex interacts with RB1; promotes phosphorylation of RB1 (PubMed:12037672). P-TEFB complex interacts with MYOD1; promotes the transcriptional activity of MYOD1 through its CDK9-mediated phosphorylation (By similarity). Interacts with MDFI and MDFIC (PubMed:17289077). Interacts with MON1B; down-regulates CCNT2-mediated activation of viral promoters during herpes simplex virus 1/HHV-1 infection (PubMed:21509660). (Microbial infection) Interacts with HIV-2 and SIV Tat. Does not bind efficiently to the transactivation domain of the HIV-1 Tat (PubMed:10364329).
Molecular function
Cyclin
More Types Infomation
- Mouse Anti-CCNT2 Recombinant Antibody (clone 1H3) (MOB-0118CT)
-
- Species Reactivity: Human
- Type: Mouse IgG2a
- Application: ELISA, WB
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For Research Use Only. Not For Clinical Use.