(13Z)-docosenoyl-CoA + sphing-4-enine <=> N-(13Z-docosenoyl)-sphing-4-enine + CoA + H(+)
(13z)-docosenoyl-coa + sphing-4-enine <=> n-(13z-docosenoyl)-sphing-4-enine + coa + h(+)
(13Z)-docosenoyl-CoA + sphing-4-enine <=> N-(13Z-docosenoyl)-sphing-4-enine + CoA + H(+)
(13z)-docosenoyl-coa + sphing-4-enine <=> n-(13z-docosenoyl)-sphing-4-enine + coa + h(+)