Which amino acid is NOT capable using its side chain (R group) to participate in general acid-base catalysis?
A) Asp
B) His
C) Ser
D) Val
E) Lys

Question

Quizplus · Accepted Answer

Valine (Val) does not have a side chain functional group that can participate in general acid-base catalysis. Aspartic acid (Asp), histidine (His), serine (Ser), and lysine (Lys) all have side chains that can act as either acid or base catalysts in enzymatic reactions.

Which Amino Acid Is NOT Capable Using Its Side Chain