(15Z)-tetracosenoyl-CoA + sphing-4-enine <=> N-(15Z-tetracosenoyl)-sphing-4-enine + CoA + H(+)
(15z)-tetracosenoyl-coa + sphing-4-enine <=> n-(15z-tetracosenoyl)-sphing-4-enine + coa + h(+)
(15Z)-tetracosenoyl-CoA + sphing-4-enine <=> N-(15Z-tetracosenoyl)-sphing-4-enine + CoA + H(+)
(15z)-tetracosenoyl-coa + sphing-4-enine <=> n-(15z-tetracosenoyl)-sphing-4-enine + coa + h(+)