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貨期:
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用途:
For Research Use Only. Not for use in diagnostic or therapeutic procedures.
Functions as a general transcription factor playing a role in the process of transcriptional elongation. May mediate the reciprocal stimulatory effect of splicing on transcriptional elongation. In case of infection by HIV-1, it is up-regulated by the HIV-1 proteins NEF and gp120, acts as a cofactor required for the Tat-enhanced transcription of the virus.
基因功能參考文獻(xiàn):
This study validates Tat-SF1 as an HDF in CD4+ T cell-derived SupT1 cells. PMID: 23153325
these findings suggest that Tat-SF1 functions independently in transcription and splicing of cellular genes. PMID: 21282347
These results support the notion that Tat-induced neuropathogenesis is mediated by multiple mechanisms involving both intracellular and extracellular Tat protein. PMID: 15050687
phosphorylated by P-TEFb kinase during HIV-1 transcription in Tat/TAR dependent manner PMID: 15564463
Intracellular HIV-1 Tat protein represses constitutive LMP2 transcription increasing proteasome activity by interfering with the binding of IRF-1 to STAT1 PMID: 16512786
Tat-SF1 is not required for regulating HIV-1 transcription, but is required for maintaining the ratios of different classes of HIV-1 transcripts. PMID: 19479034