Sapling Learning learning In proteins, the hydrogen bonding responsible for the

Question

Sapling Learning learning In proteins, the hydrogen bonding responsible for the secondary structure of a protein generally takes lace between backbone carbonyl oxygen atoms and amide hydrogen atoms. In contrast, the hydrogen onding that contributes to tertiary structure generally occurs between amino acid Two serine residues are shown below, with possible hydrogen bonds shown in green. Which bonds depict the hydrogen bonding that occurs between serine residues and contributes to tertiary structure? 0 (a) (b) (a) (c) N H (d) (b) (c) HA- O CH2 CH (d)

Explanation / Answer

Ans is b and c.

The difference between tertiary structure hydrogen bonding and secondary structure hydrogen bonding is that tertiary structure hydrogen bonding occurs between side chains and secondary structure hydrogen bonding occurs between backbone –CO and –NH groups.

The amino acid serine contains an -OH group in the side chain. The hydrogen bond occurs between them

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