tubes coated with hexokinase ( atp : d-hexose-6-phosphotransferase , ec 2.7.1.1 ) and glucose-6-phosphate dehydrogenase ( d-glucose-6-phosphate : nad+ oxidoreductase ec 1.1.1.49 ) for the measurement of atp , an intermediate product in assays for creatine kinase .
C0019472
hexokinase
C0031727
phosphotransferase