Regulation of the cell-cycle-dependent internal ribosome entry site of the PITSLRE protein kinase: roles of Unr (upstream of N-ras) protein and phosphorylated translation initiation factor eIF-2α

Abstract excerpt

The PITSLRE kinases belong to the large family of cyclin-dependent protein kinases. Their function has been related to cell-cycle regulation, splicing and apoptosis. We have previously shown that the open reading frame of the p110(PITSLRE) transcript contains an IRES (internal ribosome entry site) that allows the expression of a smaller p58(PITSLRE) isoform during the G2/M stage of the cell cycle. In the present...

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