L-seryl-[pyruvate dehydrogenase E1 alpha subunit] + ATP <=> O-phospho-L-seryl-[pyruvate dehydrogenase E1 alpha subunit] + ADP + H(+)
l-seryl-[pyruvate dehydrogenase e1 alpha subunit] + atp <=> o-phospho-l-seryl-[pyruvate dehydrogenase e1 alpha subunit] + adp + h(+)
L-seryl-[pyruvate dehydrogenase E1 alpha subunit] + ATP <=> O-phospho-L-seryl-[pyruvate dehydrogenase E1 alpha subunit] + ADP + H(+)
l-seryl-[pyruvate dehydrogenase e1 alpha subunit] + atp <=> o-phospho-l-seryl-[pyruvate dehydrogenase e1 alpha subunit] + adp + h(+)