(R)-4'-phosphopantothenate + L-cysteine + ATP => N-[(R)-4-phosphopantothenoyl]-L-cysteine + AMP + diphosphate + H(+)
(r)-4'-phosphopantothenate + l-cysteine + atp => n-[(r)-4-phosphopantothenoyl]-l-cysteine + amp + diphosphate + h(+)
(R)-4'-phosphopantothenate + L-cysteine + ATP => N-[(R)-4-phosphopantothenoyl]-L-cysteine + AMP + diphosphate + H(+)
(r)-4'-phosphopantothenate + l-cysteine + atp => n-[(r)-4-phosphopantothenoyl]-l-cysteine + amp + diphosphate + h(+)