ID   6.3.2.51
DE   phosphopantothenate--cysteine ligase (ATP).
AN   phosphopantothenoylcysteine synthetase.
CA   (R)-4'-phosphopantothenate + L-cysteine + ATP = N-[(R)-4-
CA   phosphopantothenoyl]-L-cysteine + AMP + diphosphate + H(+).
DR   Q8GXR5, PPCS1_ARATH;  Q9HAB8, PPCS_HUMAN ;  Q8VDG5, PPCS_MOUSE ;
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