a fatty acyl-CoA + sphing-4-enine => an N-acylsphing-4-enine + CoA + H(+)
a fatty acyl-coa + sphing-4-enine => an n-acylsphing-4-enine + coa + h(+)
a fatty acyl-CoA + sphing-4-enine => an N-acylsphing-4-enine + CoA + H(+)
a fatty acyl-coa + sphing-4-enine => an n-acylsphing-4-enine + coa + h(+)