... of gene expression As each step of the RNA metabolism is tightly regulated, the regulation of mRNA export, stability and translation rate is essential for the control of the expression of mRNAs ... localized in the UTRs of the transcript and the trans-acting factors (RNA-binding proteins and noncoding regulatory RNAs) that bind to these sequences Among the best studied regulatory sequences, the ... of the reporter protein fused with the full-length ASF ⁄ SF2 protein, or with the RRM1 alone Most likely, this difference is partly a result of the absence of the RS domain that contributes to...