5. What portion of the Asn side-chain makes it different from aspartic acid?
















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Incorrect

Read question #5 again?
View an Asp model...again?
















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Correct

Comment: Both Asp and Asn are polar amino acids found on the surface of proteins. The side-chain carboxyl of Asp is negatively charged. The amide nitrogen of Asn is never protonated, i.e.   at pH > 1.

Read question #5 again?
















Last modified August 15, 1996