Which of the following amino acid residues would most likely be buried in the interior of a water-soluble, globular protein?
A) Aspartate
B) Serine
C) Phenylalanine
D) Lysine
E) Glutamine

Question

Quizplus · Accepted Answer

Phenylalanine has a bulky and hydrophobic side chain, which makes it more likely to be buried in the hydrophobic interior of a protein. Aspartate, serine, lysine, and glutamine all have more polar or charged side chains, which would be more likely to interact with the aqueous environment on the surface of the protein.

Which of the Following Amino Acid Residues Would Most Likely