(Pyruvate, phosphate dikinase) kinase (EC 2.7.11.32 ^[20] , PPDK regulatory protein, pyruvate, phosphate dikinase regulatory protein, bifunctional dikinase regulatory protein) is an enzyme with systematic name ADP:(pyruvate, phosphate dikinase) phosphotransferase.^{[1][2][3][4][5]} This enzyme catalyses the following chemical reaction

This enzyme is isolated from the plants Zea mays (maize) and arabidopsis.