pyruvate dehydrogenase (acetyl-transferring) kinase activity
pyruvate dehydrogenase (acetyl-transferring) kinase activity
Catalysis of the reaction: ATP + L-seryl-[pyruvate dehydrogenase E1 alpha subunit] = ADP + H+ + O-phospho-L-seryl-[pyruvate dehydrogenase E1 alpha subunit].