sphing-4-enine + ATP <=> sphing-4-enine 1-phosphate + ADP + H(+)
sphing-4-enine + atp <=> sphing-4-enine 1-phosphate + adp + h(+)
sphing-4-enine + ATP <=> sphing-4-enine 1-phosphate + ADP + H(+)
sphing-4-enine + atp <=> sphing-4-enine 1-phosphate + adp + h(+)