An isoform variant of the cytomegalovirus immediate-early auto repressor functions as a transcriptional activator.

Abstract

The major immediate-early promoter (MIEP) of human cytomegalovirus directs the expression of several differentially spliced and polyadenylated mRNAs. These mRNAs encode nuclear phosphorproteins (IE55, IE72, and IE86), which consist of common and unique amino acid sequences. To date, very little is known of the functional role of the 55-kDa (IE55) protein… (More)

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