(11Z)-eicosenoate + sphinganine => N-(11Z-eicosenoyl)-sphinganine + H2O
(11z)-eicosenoate + sphinganine => n-(11z-eicosenoyl)-sphinganine + h2o
(11Z)-eicosenoate + sphinganine => N-(11Z-eicosenoyl)-sphinganine + H2O
(11z)-eicosenoate + sphinganine => n-(11z-eicosenoyl)-sphinganine + h2o