|Application ||WB, IF|
|Reactivity||Human, Mouse, Rat|
|Calculated MW||41,60(actual) KDa|
|Antigen Region||201-229 aa|
|Other Names||Protein HEXIM1, Cardiac lineage protein 1, Estrogen down-regulated gene 1 protein, Hexamethylene bis-acetamide-inducible protein 1, Menage a quatre protein 1, HEXIM1, CLP1, EDG1, HIS1, MAQ1|
|Format||Rabbit IgG in phosphate buffered saline (without Mg2+ and Ca2+), pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol.|
|Synonyms||CLP1, EDG1, HIS1, MAQ1|
|Function||Transcriptional regulator which functions as a general RNA polymerase II transcription inhibitor (PubMed:14580347, PubMed:15713661, PubMed:15201869). In cooperation with 7SK snRNA sequesters P-TEFb in a large inactive 7SK snRNP complex preventing RNA polymerase II phosphorylation and subsequent transcriptional elongation (PubMed:12832472, PubMed:14580347, PubMed:15713661, PubMed:15201869). May also regulate NF-kappa-B, ESR1, NR3C1 and CIITA-dependent transcriptional activity (PubMed:15940264, PubMed:15941832, PubMed:17088550). Plays a role in the regulation of DNA virus-mediated innate immune response by assembling into the HDP-RNP complex, a complex that serves as a platform for IRF3 phosphorylation and subsequent innate immune response activation through the cGAS-STING pathway (PubMed:28712728).|
|Cellular Location||Nucleus Cytoplasm. Note=Binds alpha-importin and is mostly nuclear (PubMed:16362050)|
|Tissue Location||Ubiquitously expressed with higher expression in placenta. HEXIM1 and HEXIM2 are differentially expressed Expressed in endocrine tissues.|
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Transcriptional regulator which functions as a general RNA polymerase II transcription inhibitor. In cooperation with 7SK snRNA sequesters P-TEFb in a large inactive 7SK snRNP complex preventing RNA polymerase II phosphorylation and subsequent transcriptional elongation. May also regulate NF-kappa-B, ESR1, NR3C1 and CIITA-dependent transcriptional activity.
Kusuhara M.,et al.Biomed. Res. 20:273-279(1999).
Ota T.,et al.Nat. Genet. 36:40-45(2004).
Wittmann B.M.,et al.Cancer Res. 63:5151-5158(2003).
Ouchida R.,et al.Genes Cells 8:95-107(2003).
Yik J.H.N.,et al.Mol. Cell 12:971-982(2003).
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