In a protein,the most conformationally restricted amino acid is ______;the least conformationally restricted is ______.
A)Trp,Gly
B)Met,Cys
C)Pro,Gly
D)Ile,Ala
E)Ala,Pro

Question

Quizplus · Accepted Answer

Proline is the most conformationally restricted amino acid due to its cyclic structure, which makes it difficult to twist or bend the polypeptide chain. On the other hand, glycine is the least conformationally restricted amino acid because of its small size and lack of side chain, which allows it to adopt many different conformations.

In a Protein,the Most Conformationally Restricted Amino Acid Is ______;The