Identified phosphorylation sites of GUL1.

The phosphoproteomic study of Δpro11, Δpp2Ac1Δpro22, and Δpro11Δpro22 compared to the wild type identified ten phosphorylation sites in GUL1. Two out of ten phosphorylation sites are differentially phosphorylated in all three STRIPAK mutants. For each phosphorylation site of GUL1, log2 ratio of reporter ion intensity in deletion strain and wild type relative to the respective standard deviation is given. Bold numbers indicate an upregulation of the phosphorylation site compared to the wild type. Regular numbers indicate no regulation of the phosphorylation site compared to the wild type. The underlined phosphorylation sites were further analysed in this study (see also Fig 2). Standard deviations: Δpro11: 0.62; Δpp2Ac1Δpro22: 0.67; Δpro11Δpro22: 0.57. In our previous study, we found seven phosphorylation sites (S1 Table.).