Which of the following amino acids would NOT provide a nucleophilic center for covalent catalysis?
A) alanine
B) lysine
C) glutamic acid
D) serine
E) cysteine

Question

Quizplus · Accepted Answer

Alanine does not have a side chain that can act as a nucleophile. Its side chain is a simple methyl group, which lacks the functional groups necessary for nucleophilic activity seen in the side chains of lysine, glutamic acid, serine, and cysteine.

Which of the Following Amino Acids Would NOT Provide a Nucleophilic