L-seryl-[protein] + GTP => O-phospho-L-seryl-[protein] + GDP + H(+)
l-seryl-[protein] + gtp => o-phospho-l-seryl-[protein] + gdp + h(+)
L-seryl-[protein] + GTP => O-phospho-L-seryl-[protein] + GDP + H(+)
l-seryl-[protein] + gtp => o-phospho-l-seryl-[protein] + gdp + h(+)