a sphingoid base + octadecanoyl-CoA = an N-octadecanoyl-sphingoid base + CoA + H(+)
a sphingoid base + octadecanoyl-coa = an n-octadecanoyl-sphingoid base + coa + h(+)
a sphingoid base + octadecanoyl-CoA = an N-octadecanoyl-sphingoid base + CoA + H(+)
a sphingoid base + octadecanoyl-coa = an n-octadecanoyl-sphingoid base + coa + h(+)