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