BRF1 is phosphorylated at Serine92 and Serine203 by Protein kinase B/AKT. Protein kinase B is activated by phosphatidylinositol 3-kinase. Phosphorylation of BRF1 does not interfere with the ability of BRF1 to bind RNA or interact with enzymes that catalyze RNA degradation therefore larger complexes may contain phosphorylated BRF1.
Gross, B, Benjamin, D, Min, L, Moroni, C, Schmidlin, M
Stoecklin, G, Lu, M, Hess, D, Gross, B, Mallaun, M, Leuenberger, SA, Gherzi, R, Moroni, C, Hemmings, BA, Schmidlin, M
Lu, M, Stoecklin, G, Gross, B, Leuenberger, S, Mallaun, M, Kitamura, T, Raineri, I, Colombi, M, Moroni, C, Schmidlin, M
protein serine/threonine kinase activity of p-T308,S473-AKT1 [cytosol]
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