Question 21.9: Amino Acid Interactions What kind of noncovalent interaction...
Amino Acid Interactions
What kind of noncovalent interaction occurs between the side chains of serine and glutamine?
Strategy
Analyze the types of functional groups in the side chains and then look for potential interactions.
The side chain of serine ends in an —OH group; that of glutamine ends in an amide, the \text{CO}—\text{NH}_{2} group. The two groups can form hydrogen bonds.
■ Quick Check 21.9
What kind of noncovalent interaction occurs between the side chains of arginine and glutamic acid?
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