Activated p38 MAP kinase has been shown to phosphorylate and activate MAPKAP kinase 2 and to phosphorylate the transcription factors ATF2, Mac,  MEF2, and p53.
Activated p38 MAP kinase is shown to phosphorylate and activate MAPKAP kinase 2, as well as various transcription factors including ATF2, Mac, MEF2, and p53.