Trypsin is a serine protease with an identical mechanism to chymotrypsin, but cuts after positively-charged amino acids. Which of the following statements would you expect to be false?

a. Serine 195 will be conserved.

b. The oxyanion hole will be present.

c. The active site will include an Asp or Glu.

d. Asp 102 will bind the substrate.

e. His 57 will be conserved.