(F) Immunoblotting of the streptavidin precipitates of the mixture of biotin-c-diAMP (2 μM) and recombinant SUNO-tagged STING protein (10 μg/mL) in the presence of DMSO and increasing concentrations of Palbociclib (0, 1, 10 μM). The data shown are representative of n=3 biological replicates. 