The enzyme hexokinase adds a phosphate to D-glucose but ignores its mirror image

Chapter 0, Problem 3-16

(choose chapter or problem)

The enzyme hexokinase adds a phosphate to D-glucose but ignores its mirror image, L-glucose. Suppose that you were able to synthesize hexokinase entirely from D-amino acids, which are the mirror image of the normal L-amino acids. A. Assuming that the D enzyme would fold to a stable conformation, what relationship would you expect it to bear to the normal L enzyme? B. Do you suppose the D enzyme would add a phosphate to L-glucose, and ignore D-glucose?

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