Biomolecules Ques 24

24. Which functional group participates in disulphide bond formation in proteins?

[2005]

(a) Thioester

(b) Thioether

(c) Thiol

(d) Thiolactone

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Answer:

Correct Answer: 24.(c)

Solution:

(c) $\underset{Thiol}{2R - S - H} \leftrightarrows \underset{Disulphide}{R - S - S - R}$

Example: