Reference: Jiang YW, et al. (1998) Mammalian mediator of transcriptional regulation and its possible role as an end-point of signal transduction pathways. Proc Natl Acad Sci U S A 95(15):8538-43

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Abstract


A multiprotein complex isolated from murine cells is identified as a counterpart of the yeast Mediator of transcriptional regulation on the basis of the following: homologs of two subunits of yeast Mediator, Srb7 and Med7, copurify with the complex; peptide sequencing reveals, in addition, homologs of the yeast Mediator subunits Rgr1 and Med6; as with yeast Mediator, the mouse complex binds to the RNA polymerase II C-terminal domain (CTD) and stimulates phosphorylation of the CTD by TFIIH. Peptide sequencing also identifies a component of mouse Mediator as a relative of Ring-3 protein, a mitogen-activated nuclear protein kinase, raising the possibility of Mediator as an end point of signal transduction pathways.

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Journal Article | Research Support, U.S. Gov't, Non-P.H.S. | Research Support, U.S. Gov't, P.H.S.
Authors
Jiang YW, Veschambre P, Erdjument-Bromage H, Tempst P, Conaway JW, Conaway RC, Kornberg RD
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