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Eukaryotic RNA polymerase II is unique among RNA polymerases in containing an unusual repetitive domain at the C-terminus of the largest subunit. This C-terminal domain (CTD) is comprised of tandem repeats of the consensus sequence TyrSerProThrSerProSer. We are using genetic and biochemical approaches to investigate the functional role of the CTD in biogenesis of mRNA. Both yeast and mammalian systems are being employed.
A major effort in the lab is directed at studies of proteins that bind the CTD. Using the yeast two-hybrid approach we identified a family of proteins that interact with the CTD. These proteins are similar to the serine/arginine-rich proteins involved in pre-mRNA splicing. A current focus of the laboratory is to determine how these proteins function in mRNA biogenesis and how CTD phosphorylation regulates this function.
A major effort in the lab is directed at studies of proteins that bind the CTD. Using the yeast two-hybrid approach we identified a family of proteins that interact with the CTD. These proteins are similar to the serine/arginine-rich proteins involved in pre-mRNA splicing. A current focus of the laboratory is to determine how these proteins function in mRNA biogenesis and how CTD phosphorylation regulates this function.
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Encyclopedia of Biological Chemistrypp.383-385, (2021)
EMBO Reportsno. 12 (2019)
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