Reaction catalyzed by phosphopantothenate-cysteine ligase (CTP) (6.3.2.5)
ATP
+
+
=
+
ADP
+
ATP
+
(R)-4'-phosphopantothenate
+
2-methylcysteine
=
N-(phosphopantothenyl)-alpha-methylcysteine
+
ADP
+
phosphate
