Pantoate kinase (EC 2.7.1.169, PoK, TK2141 protein) is an enzyme with systematic name ATP:(R)-pantoate 4-phosphotransferase.
[1] This enzyme catalyses the following chemical reaction The conversion of (R)-pantoate to (R)-4'-phosphopantothenate is done during biosynthesis of 4'-phosphopantetheine,.