ID 6.3.2.5 DE Phosphopantothenate--cysteine ligase. AN Phosphopantothenoylcysteine synthetase. CA CTP + (R)-4'-phosphopantothenate + L-cysteine = CMP + diphosphate + CA N-((R)-4'-phosphopantothenoyl)-L-cysteine. CC -!- Cysteine can be replaced by some of its derivatives. DR O35033, COABC_BACSU; O51752, COABC_BORBU; P0ABQ1, COABC_ECOL6; DR P0ABQ0, COABC_ECOLI; P44953, COABC_HAEIN; Q58323, COABC_METJA; DR P67734, COABC_MYCBO; P67733, COABC_MYCTU; P73881, COABC_SYNY3; DR Q9KVD1, COABC_VIBCH; Q5E8M6, COABC_VIBF1; Q87T89, COABC_VIBPA; DR Q8DDX8, COABC_VIBVU; Q7MPS9, COABC_VIBVY; Q8GXR5, PPCS1_ARATH; DR Q9LZM3, PPCS2_ARATH; Q9HAB8, PPCS_HUMAN ; Q8VDG5, PPCS_MOUSE ; DR P40506, PPCS_YEAST ; //