試題詳解

89. Chymotrypsin, a serine protease, preferentially cleaves a peptide bond adjoining a bulky non-polar side chain. This is because chymotrypsin's specificity pocket _______.
(A) is mostly filled with large side chains
(B) contains a negative charge
(C) contains a positive charge
(D) contains a sulfhydryl group that forms a disulfide bond with the substrate
(E) is lined with small hydrophobic side chains, leaving considerable room in the nonpolar pocket