Definitions of M Type Pyruvate Kinase

1. ATP: pyruvate 2- O- phosphotransferase. A phosphotransferase that catalyzes reversibly the phosphorylation of pyruvate to phosphoenolpyruvate in the presence of ATP. It has four isozymes ( L, R, M1, and M2). Deficiency of the enzyme results in hemolytic anemia. EC 2. 7. 1. 40.