of the enzymes tested , hexokinase is present in considerable quantities on these membranes ( nearly 40 % of homogenate specific activity ) , followed by d-glyceraldehyde-3-phosphate dehydrogenase ( 10 % ) , pyruvate kinase ( 8 % ) , and 3-phosphoglycerate kinase ( 1 % ) .
C0019472
hexokinase
C0031727
kinase