1.

Which of the following statements are true about the reactions at the active center of chymotrypsin?

A. The aspartate residue gives an electron to histidine
B. The aspartate residue gives a proton to histidine
C. The aspartate residue keeps the histidine in the correct direction
D. A proton moves from the aspartate to serine to histidine in the catalytic triad of chymotrypsin
Answer» D. A proton moves from the aspartate to serine to histidine in the catalytic triad of chymotrypsin


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