Matches in Nanopublications for { ?s ?p "We show that the N-terminal transcriptional activation function AF-1, but not the C-terminal AF-2, is necessary for the EGF response. Both the EGF-induced hyperphosphorylation and the transcriptional activation of the unliganded ER depend on a phosphorylatable serine residue at position 118. However, its phosphorylation is not sufficient and, hence, there must be other target domains or proteins which fulfill an additional requirement for EGF signaling through the ER. Using dominant-negative Ras and MAP kinase kinase (MAPK kinase) and constitutively active MAPK kinase mutants, we show that EGF activates the ER by signaling through the MAPK pathway suggesting that MAPK directly phosphorylates the critical serine 118. " ?g. }
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- _4 value "We show that the N-terminal transcriptional activation function AF-1, but not the C-terminal AF-2, is necessary for the EGF response. Both the EGF-induced hyperphosphorylation and the transcriptional activation of the unliganded ER depend on a phosphorylatable serine residue at position 118. However, its phosphorylation is not sufficient and, hence, there must be other target domains or proteins which fulfill an additional requirement for EGF signaling through the ER. Using dominant-negative Ras and MAP kinase kinase (MAPK kinase) and constitutively active MAPK kinase mutants, we show that EGF activates the ER by signaling through the MAPK pathway suggesting that MAPK directly phosphorylates the critical serine 118. " provenance.
- _4 value "We show that the N-terminal transcriptional activation function AF-1, but not the C-terminal AF-2, is necessary for the EGF response. Both the EGF-induced hyperphosphorylation and the transcriptional activation of the unliganded ER depend on a phosphorylatable serine residue at position 118. However, its phosphorylation is not sufficient and, hence, there must be other target domains or proteins which fulfill an additional requirement for EGF signaling through the ER. Using dominant-negative Ras and MAP kinase kinase (MAPK kinase) and constitutively active MAPK kinase mutants, we show that EGF activates the ER by signaling through the MAPK pathway suggesting that MAPK directly phosphorylates the critical serine 118. " provenance.