L-serine + ATP <=> O-phospho-L-serine + ADP + H(+)
l-serine + atp <=> o-phospho-l-serine + adp + h(+)
L-serine + ATP <=> O-phospho-L-serine + ADP + H(+)
l-serine + atp <=> o-phospho-l-serine + adp + h(+)