Synonyms: (R)-4'-phosphopantothenate:L-cysteine ligase activity, phosphopantothenate-cysteine ligase activity, phosphopantothenoylcysteine synthetase activity
Definition: Catalysis of the reaction: CTP + (R)-4'-phosphopantothenate + L-cysteine = CMP + diphosphate + (R)-4'-phosphopantothenoyl-L-cysteine. Cysteine can be replaced by some of its derivatives.
GO:0016881 - acid-amino acid ligase activity
Unification Links: GO:0004632
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