PMID: 9428787Jan 15, 1998Paper

The p69/71 2-5A synthetase promoter contains multiple regulatory elements required for interferon-alpha-induced expression

DNA and Cell Biology
Q Wang, G Floyd-Smith

Abstract

The p69/71 2-5A synthetase is an interferon-inducible enzyme that polymerizes ATP to form 2'-5'-linked oligoadenylates when activated by double-stranded RNA. A genomic clone was isolated that contained 12.5 kb of the 5'-flanking region and the first exon of the p69/71 2-5A synthetase gene. The major transcriptional start site was mapped to an A residue located 84 bp upstream of the translational start site within a sequence that matches both a consensus ISRE and an Inr element. Sequencing of the region 972 bp upstream of the translation start site revealed 4 imperfect direct repeats of 70 to 80 bp that contain several putative regulatory elements. This region does not have a TATA or CAAT box but does contain two IRF-1-like elements, an Ets-1 motif, an AP-1 site, an Sp1 binding site, an NF-kappaB-binding site, and a palindrome containing two overlapping NF-IL-6 consensus motifs in opposite orientation. The region -480 to -850 bp contains PuF, UBP-1, and PEA 3 motifs and another NF-IL-6 motif adjacent to an E2A-binding site. The 5'-flanking sequence binds proteins in DNase I foot printing assays and is a functional interferon-inducible promoter that requires multiple elements for maximal constitutive and interferon-inducible expr...Continue Reading

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Citations

May 31, 2002·AIDS Research and Human Retroviruses·Irina Krasnoselskaya-RizDietrich A Stephan
May 20, 1999·Journal of Interferon & Cytokine Research : the Official Journal of the International Society for Interferon and Cytokine Research·D Rebouillat, A G Hovanessian
Oct 5, 2001·Clinical Microbiology Reviews·C E Samuel
Jul 9, 2004·Biochemical and Biophysical Research Communications·George VlotidesChristoph J Auernhammer
Jul 15, 2021·Science Signaling·Heather M FroggattNicholas S Heaton

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