[HPr protein]-L-serine + ATP => [HPr protein]-O-phospho-L-serine + ADP + H(+)
[hpr protein]-l-serine + atp => [hpr protein]-o-phospho-l-serine + adp + h(+)
[HPr protein]-L-serine + ATP => [HPr protein]-O-phospho-L-serine + ADP + H(+)
[hpr protein]-l-serine + atp => [hpr protein]-o-phospho-l-serine + adp + h(+)