human erythrocyte hexokinase ( adp : d-hexose 6-phosphotransferase , ec 2.7.1.1 ) was purified 50 000 -- 100 000-fold with a final specific activity of about 25 -- 50 units/mg protein using gel-filtration , ion-exchange chromatography and affinity chromagraphy .
C0019472
hexokinase
C0031727
phosphotransferase