Question

Which functional group participates in disulphide bond formation in proteins?

• A. Thiolactone
• B. Thiol
• C. Thioethe
• D. Thioester

Answer 1

Answer: (B)

Thiol

Answer 2

Disulphide bond may be reduced to thiol by means of reagents, i.e. $NaBH_4$ which shows the presence of thiol group in disulphide bond formation