Identification of CK2 as the kinase that phosphorylates Pax3 at Ser209 in early myogenic differentiation.

Abstract excerpt

The myogenic transcription factor Pax3, a member of the paired class homeodomain family of transcription factors, plays an essential role in early skeletal muscle development. We previously demonstrated that Pax3 is phosphorylated at three specific residues (Ser201, Ser205, and Ser209) and that the pattern of phosphorylation at these sites changes throughout early myogenesis. Further, we demonstrated that the...

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